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Yes, blue light from your phone can harm your skin. A dermatologist explains

<a href="https://theconversation.com/profiles/michael-freeman-223922">Michael Freeman</a>, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a> Social media is full of claims that everyday habits can harm your skin. It’s also full of recommendations or advertisements for products that can protect you. Now social media has blue light from our devices in its sights. So can scrolling on our phones really damage your skin? And will applying creams or lotions help? Here’s what the evidence says and what we should really be focusing on. <h2>Remind me, what actually is blue light?</h2> Blue light is part of the visible light spectrum. Sunlight is the strongest source. But our electronic devices – such as our phones, laptops and TVs – also emit it, albeit at levels <a href="https://melasmaclinic.com.au/wp-content/uploads/2024/01/Melasma-LEDS.pdf">100-1,000 times</a> lower. Seeing as we spend so much time using these devices, there has been some concern about the impact of blue light on our health, including <a href="https://theconversation.com/do-blue-light-glasses-really-work-can-they-reduce-eye-strain-or-help-me-sleep-213145">on our eyes and sleep</a>. Now, we’re learning more about the impact of blue light on our skin. <h2>How does blue light affect the skin?</h2> The evidence for blue light’s impact on skin is still emerging. But there are some interesting findings. 1. Blue light can increase pigmentation <a href="https://academic.oup.com/ced/article-abstract/46/5/934/6598472?redirectedFrom=fulltext&login=false">Studies</a> <a href="https://onlinelibrary.wiley.com/doi/full/10.1111/srt.13401">suggest</a> exposure to blue light can stimulate production of melanin, the natural skin pigment that gives skin its colour. So too much blue light can potentially worsen hyperpigmentation – overproduction of melanin leading to dark spots on the skin – especially in people with darker skin. 2. Blue light can give you wrinkles Some research <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6280109/">suggests</a> blue light might damage collagen, a protein essential for skin structure, potentially accelerating the formation of wrinkles. A laboratory <a href="https://pubmed.ncbi.nlm.nih.gov/29399830/">study suggests</a> this can happen if you hold your device one centimetre from your skin for as little as an hour. However, for most people, if you hold your device more than 10cm away from your skin, that would reduce your exposure <a href="https://en.wikipedia.org/wiki/Inverse-square_law">100-fold</a>. So this is much less likely to be significant. 3. Blue light can disrupt your sleep, affecting your skin If the skin around your eyes looks dull or puffy, it’s easy to blame this directly on blue light. But as we know blue light affects sleep, what you’re probably seeing are some of the visible signs of sleep deprivation. We know blue light is particularly good at <a href="https://journals.physiology.org/doi/full/10.1152/japplphysiol.01413.2009?rss=1">suppressing</a> production of melatonin. This natural hormone normally signals to our bodies when it’s time for sleep and helps regulate our sleep-wake cycle. By suppressing melatonin, blue light exposure before bed disrupts this natural process, making it harder to fall asleep and potentially reducing the <a href="https://www.tandfonline.com/doi/abs/10.1080/07420528.2023.2173606">quality of your sleep</a>. The stimulating nature of screen content further disrupts sleep. Social media feeds, news articles, video games, or even work emails can keep our brains active and alert, hindering the transition into a sleep state. Long-term sleep problems can also <a href="https://academic.oup.com/ced/article-abstract/40/1/17/6621145?login=false">worsen</a> existing skin conditions, such as acne, eczema and rosacea. Sleep deprivation can elevate cortisol levels, a stress hormone that breaks down collagen, the protein responsible for skin’s firmness. Lack of sleep can also weaken the skin’s natural barrier, making it more susceptible to environmental damage and dryness. <h2>Can skincare protect me?</h2> The beauty industry has capitalised on concerns about blue light and offers a range of protective products such as mists, serums and lip glosses. From a practical perspective, probably only those with the more troublesome hyperpigmentation known as <a href="https://dermnetnz.org/topics/melasma">melasma</a> need to be concerned about blue light from devices. This condition requires the skin to be well protected from all visible light at all times. The only products that are totally effective are those that block all light, namely mineral-based suncreens or some cosmetics. If you can’t see the skin through them they are going to be effective. But there is a lack of rigorous testing for non-opaque products outside laboratories. This makes it difficult to assess if they work and if it’s worth adding them to your skincare routine. <h2>What can I do to minimise blue light then?</h2> Here are some simple steps you can take to minimise your exposure to blue light, especially at night when it can disrupt your sleep: <ul> <li> use the “night mode” setting on your device or use a blue-light filter app to reduce your exposure to blue light in the evening </li> <li> minimise screen time before bed and create a relaxing bedtime routine to avoid the types of sleep disturbances that can affect the health of your skin </li> <li> hold your phone or device away from your skin to minimise exposure to blue light </li> <li> use sunscreen. Mineral and physical sunscreens containing titanium dioxide and iron oxides offer broad protection, including from blue light. </li> </ul> <h2>In a nutshell</h2> Blue light exposure has been linked with some skin concerns, particularly pigmentation for people with darker skin. However, research is ongoing. While skincare to protect against blue light shows promise, more testing is needed to determine if it works. For now, prioritise good sun protection with a broad-spectrum sunscreen, which not only protects against UV, but also light.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/233335/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/michael-freeman-223922">Michael Freeman</a>, Associate Professor of Dermatology, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/yes-blue-light-from-your-phone-can-harm-your-skin-a-dermatologist-explains-233335">original article</a>.

Body

Cranberry juice really can help with UTIs – and reduce reliance on antibiotics

<a href="https://theconversation.com/profiles/christian-moro-121754">Christian Moro</a>, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a> and <a href="https://theconversation.com/profiles/charlotte-phelps-1187658">Charlotte Phelps</a>, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a> Cranberry juice has been <a href="https://www.ncbi.nlm.nih.gov/books/NBK92762/">used medicinally for centuries</a>. Our new research indicates it should be a normal aspect of urinary tract infection (UTI) management today. While some benefits of cranberry compounds for the prevention of UTIs have been suspected for <a href="https://theconversation.com/cranberry-juice-can-prevent-recurrent-utis-but-only-for-some-people-203926">some time</a>, it hasn’t been clear whether the benefits from cranberry juice were simply from drinking <a href="https://bjgp.org/content/70/692/e200">more fluid</a>, or something in the fruit itself. For our <a href="https://www.sciencedirect.com/science/article/pii/S2405456924001226">study</a>, published this week, we combined and collectively assessed 3,091 participants across more than 20 clinical trials. Our analysis indicates that increasing liquids reduces the rate of UTIs compared with no treatment, but cranberry in liquid form is even better at reducing UTIs and antibiotic use. <h2>Are UTIs really that bad?</h2> Urinary tract infections affect more than <a href="https://journals.sagepub.com/doi/pdf/10.1177/1756287219832172">50% of women</a> and <a href="https://bjgpopen.org/content/bjgpoa/5/2/bjgpopen20X101140.full.pdf">20% of men</a> in their lifetime. Most commonly, UTIs are caused from the bug called Escherichia coli (E.coli). This bug lives harmlessly in our <a href="https://www.ncbi.nlm.nih.gov/books/NBK562895/">intestines</a>, but can cause infection in the <a href="http://doi.org/10.33235/anzcj.30.1.4-10">urinary tract</a>. This is why, particularly for women, it is recommended people wipe from front to back after using the toilet. An untreated UTI can move up to the kidneys and cause even more serious illness. Even when not managing infection, many people are anxious about contracting a UTI. Sexually active women, pregnant women and older women may all be at <a href="https://www.ncbi.nlm.nih.gov/books/NBK436013/">increased risk</a>. <h2>Why cranberries?</h2> To cause a UTI, the bacteria need to attach to the wall of the <a href="https://www.nature.com/articles/s41598-023-44916-8">urinary bladder</a>. Increasing fluids helps to flush out bacteria before it attaches (or makes its way up into the bladder). Some beneficial compounds in cranberry, such as <a href="https://www.cochrane.org/CD001321/RENAL_cranberries-preventing-urinary-tract-infections">proanthocyanidins</a> (also called condensed tannins), prevent the bacteria from attaching to the wall itself. While there are treatments, over 90% of the bugs that cause UTIs exhibit some form of <a href="https://www.who.int/news-room/fact-sheets/detail/antimicrobial-resistance">microbial resistance</a>. This suggests that they are rapidly changing and some cases of UTI might be left <a href="https://www.scientificamerican.com/article/antibiotic-resistant-utis-are-common-and-other-infections-may-soon-be-resistant-too/">untreatable</a>. <h2>What we found</h2> Our analysis <a href="https://www.sciencedirect.com/science/article/pii/S2405456924001226">showed</a> a 54% lower rate of UTIs from cranberry juice consumption compared to no treatment. This means that significantly fewer participants who regularly consumed cranberry juice (most commonly around 200 millilitres each day) reported having a UTI during the periods assessed in the studies we analysed. Cranberry juice was also linked to a 49% lower rate of antibiotic use than placebo liquid and a 59% lower rate than no treatment, based on analysis of indirect and direct effects across six studies. The use of cranberry compounds, whether in drinks or tablet form, also reduced the prevalence of symptoms associated with UTIs. While some studies we included presented conflicts of interest (such as receiving funding from cranberry companies), we took this “high risk of bias” into account when analysing the data. <h2>So, when can cranberry juice help?</h2> We found three main benefits of cranberry juice for UTIs. 1. Reduced rates of infections Increasing fluids (for example, drinking more water) reduced the prevalence of UTIs, and taking cranberry compounds (such as tablets) was also beneficial. But the most benefits were identified from increasing fluids and taking cranberry compounds at the same time, such as with cranberry juice. 2. Reduced use of antibiotics The data shows cranberry juice lowers the need to use antibiotics by 59%. This was identified as fewer participants in randomised cranberry juice groups required antibiotics. Increasing fluid intake also helped reduce antibiotic use (by 25%). But this was not as useful as increasing fluids at the same time as using cranberry compounds. Cranberry compounds alone (such as tablets without associated increases in fluid intake) did not affect antibiotic use. 3. Reducing symptoms Taking cranberry compounds (in any form, liquid or tablet) reduced the symptoms of UTIs, as measured in the overall data, by more than five times. <h2>Take home advice</h2> While cranberry juice cannot treat a UTI, it can certainly be part of UTI management. If you suspect that you have a UTI, see your GP as soon as possible.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/235314/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/christian-moro-121754">Christian Moro</a>, Associate Professor of Science & Medicine, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a> and <a href="https://theconversation.com/profiles/charlotte-phelps-1187658">Charlotte Phelps</a>, Senior Teaching Fellow, Medical Program, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/cranberry-juice-really-can-help-with-utis-and-reduce-reliance-on-antibiotics-235314">original article</a>.

Body

You don’t need a doctor to get more physically active – here are 10 simple steps you can take by yourself

<div class="theconversation-article-body"><a href="https://theconversation.com/profiles/nerys-m-astbury-410114">Nerys M Astbury</a>, <a href="https://theconversation.com/institutions/university-of-oxford-1260">University of Oxford</a> We all know physical activity has many <a href="https://www.nhs.uk/live-well/exercise/exercise-health-benefits/">health benefits</a>, including for mental health. It helps <a href="https://theconversation.com/exercise-can-reduce-stress-and-improve-sleep-particularly-for-women-with-breast-cancer-186144">manage stress</a>, ease joint or back pain, and boost energy levels. Exercise can also improve <a href="https://theconversation.com/exercise-and-the-brain-three-ways-physical-activity-changes-its-very-structure-150203">brain function</a> and <a href="https://theconversation.com/exercise-really-can-help-you-sleep-better-at-night-heres-why-that-may-be-192427">sleep</a>, and lift mood. In contrast, inactivity or spending too much time <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6308180/">sedentary</a> is a leading factor in developing a range of diseases. The <a href="https://www.who.int/publications/i/item/9789240015128">World Health Organization</a> recommends we should do a weekly minimum of 150-300 minutes of moderate intensity physical activity, such as walking, or 75 minutes of vigorous physical activity, such as swimming, jogging or an exercise class – as well as <a href="https://theconversation.com/strength-training-could-be-the-answer-to-one-of-the-worlds-worst-killers-228665">regular strength training</a>. However, many people <a href="https://www.who.int/teams/health-promotion/physical-activity/global-status-report-on-physical-activity-2022">fail to meet these guidelines</a>. So what to do about this <a href="https://www.weforum.org/agenda/2022/12/lack-exercise-inactivity-preventable-diseases/">health crisis</a>? There is already <a href="https://www.bmj.com/content/376/bmj-2021-068465">evidence</a> that when GPs give patients guidance and continued support to increase physical activity, this encourages them to be more physically active – at least in the short term. However, we don’t yet know the best way for doctors to communicate with patients to help them sustain these increased activity levels so the current guidance and support on offer to patients isn’t as effective as it could be. <figure><iframe src="https://www.youtube.com/embed/vCCD1xHKpZc?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> For example, my <a href="https://www.bmj.com/content/386/bmj-2023-078713">latest research</a> examines the <a href="https://www.bmj.com/content/340/bmj.c1900">“motivational interviewing” (MI)</a> method GPs currently use to encourage patients to change their lifestyle. MI is a patient-centred, non-confrontational communication style that helps patients address any problem behaviour by exploring their ambivalence towards changing it. MI has been shown to help patients with a host of health problems, including <a href="https://pubmed.ncbi.nlm.nih.gov/25577724/">addiction issues</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/23001832/">eating disorders</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/25726920/">smokers</a> and those with <a href="https://pubmed.ncbi.nlm.nih.gov/33637368/">diabetes</a> to change their behaviour. However, I found that while MI programmes can help patients increase their total amount of physical activity – the benefits are only short term. <h2>Ten simple ways to be more physically active</h2> If you want more physical activity in your life, then, there are many self-directed things you can do to help yourself, without joining a programme or seeing your GP. Here are ten simple and effective ways to help you become – and stay – more physically active: 1) Don’t sit, stand We <a href="https://theconversation.com/sitting-is-bad-for-your-health-and-exercise-doesnt-seem-to-offset-the-harmful-effects-225056">sit a lot</a>. In fact, it’s likely you’re sitting right now – and you needn’t be. Sitting for long periods has been <a href="https://doi.org/10.1016/j.amepre.2010.05.024">linked</a> with many adverse health outcomes, so try to stand more. <figure><iframe src="https://www.youtube.com/embed/wUEl8KrMz14?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> 2) Take the stairs Being physically active needn’t mean expensive gym memberships. Try building physical activity into your daily routine. One easy way to do this is by swapping the lift or escalator for the stairs. 3) Make it fun If you like doing something, you’re <a href="https://theconversation.com/why-you-shouldnt-let-guilt-motivate-you-to-exercise-220342">more likely</a> to continue doing it. Why not try an activity you liked doing as a child, or even something new? Who knows, you might enjoy it. 4) Phone a friend Exercising <a href="https://theconversation.com/exercise-can-be-punishing-but-heres-how-to-stop-thinking-of-it-as-a-punishment-76167">with a friend</a> or loved one is a great way to stay motivated, and it can make physical activity more fun too. 5) Do less, more often <a href="https://pilotfeasibilitystudies.biomedcentral.com/articles/10.1186/s40814-023-01272-8">“Snacktivity”</a> – a term for breaking up your activity into shorter <a href="https://theconversation.com/forget-the-gym-in-january-exercise-snacking-is-the-way-forward-69702">activity “snacks”</a> – can help you increase activity in convenient, manageable bursts while reaping the health benefits. 6) Track your progress Activity trackers aren’t a fad. There is <a href="https://doi.org/10.1016/S2589-7500(22)00111-X">evidence</a> that just using an activity tracker such as a pedometer to count steps or a smart watch that logs activity can help increase your activity levels, reduce body fat and increase muscle mass – and increase your overall physical fitness. 7) Get into a habit We know it takes about ten weeks to <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3505409/">form a habit</a>. Repetition is key – so stick with it and keep going. Once you’ve formed a physical activity habit, it will be <a href="https://www.psychologytoday.com/gb/basics/habit-formation#:%7E:text=Building%20healthy%20habits%20can%20involve,listening%20to%20music%20while%20exercising">hard to shake it off</a>.). 8) Hold still Try to incorporate <a href="https://en.wikipedia.org/wiki/Isometric_exercise">isometric exercises</a> like the plank or wall squats into your routine. These exercises, which need no equipment, require you to tighten muscles and hold still – and have been shown to <a href="https://bjsm.bmj.com/content/57/20/1317">lower your blood pressure</a>. 9) Set a goal Give yourself an achievable target to work towards – it will <a href="https://theconversation.com/three-tips-to-help-you-stay-motivated-to-keep-exercising-all-year-long-175868">motivate you</a> to reach your goal. 10) Reward yourself And don’t forget to reward yourself when you meet that goal. You can also build in rewards to mark your progress along the way. After all, who doesn’t like to treat themselves when they’ve done well?<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/231991/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/nerys-m-astbury-410114">Nerys M Astbury</a>, Associate professor, <a href="https://theconversation.com/institutions/university-of-oxford-1260">University of Oxford</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/you-dont-need-a-doctor-to-get-more-physically-active-here-are-10-simple-steps-you-can-take-by-yourself-231991">original article</a>. </div>

Body

Poor sleep is really bad for your health. But we found exercise can offset some of these harms

<div class="theconversation-article-body"><a href="https://theconversation.com/profiles/bo-huei-huang-1243280">Bo-Huei Huang</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a> and <a href="https://theconversation.com/profiles/emmanuel-stamatakis-161783">Emmanuel Stamatakis</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a> Despite the well-known links between poor sleep and poorer health, getting enough good quality sleep has become a luxury in modern society. Many of us struggle to improve our sleep, while amid the COVID pandemic and recurring lock-downs, <a href="https://theconversation.com/were-sleeping-more-in-lockdown-but-the-quality-is-worse-155797">our sleep has deteriorated</a>. But <a href="https://doi.org/10.1136/bjsports-2021-104046">our new study</a>, published today in the British Journal of Sports Medicine, bears some encouraging news. We found doing enough physical activity (including exercise such as running or going to the gym) may counter some of the adverse health effects of unhealthy sleep patterns. Let us explain. <h2>Does poor sleep really harm our health?</h2> Unhealthy sleep patterns include: <ul> <li> not sleeping for long enough (less than seven hours per night for adults) </li> <li> sleeping for too long (more than nine hours per night for adults) </li> <li> snoring </li> <li> insomnia </li> <li> being a night owl, also known as “late chronotype”. This is people who naturally feel most awake and motivated in the evening, and are sluggish in the morning. </li> </ul> They are <a href="https://doi.org/10/ggjqrt">all associated</a> with poorer health. Recent research shows poor sleep may: <ul> <li> cause <a href="https://doi.org/10.1038/s41577-019-0190-z">inflammation</a> </li> <li> impair the metabolism of glucose (also known as blood sugar) and reduce the number of calories burned, thereby increasing the risk of <a href="https://theconversation.com/why-sleep-is-so-important-for-losing-weight-145058">obesity</a> </li> <li> increase the risk of <a href="https://doi.org/10/gg6x87">heart disease</a> and <a href="https://doi.org/10/ggnw5h">premature death</a>. </li> </ul> However, very few studies have examined how sleep and physical activity interact and impact our health. We set out to answer the question: if I have poor sleep but I do quite a lot of physical activity, can that offset some of the harms of my poor sleep in the long-term? Or would this not make any difference? <h2>What did we do?</h2> We analysed the information provided by 380,055 middle-aged adults in the UK Biobank study, recruited between 2006 and 2010. Participants reported their level of physical activity and five aspects of their sleep. We grouped people based on their sleep behaviour into healthy, intermediate or poor. We categorised people’s level of physical activity based on <a href="https://bjsm.bmj.com/content/54/24/1451">the World Health Organization (WHO) guidelines</a>. People who met the upper bounds of the guidelines did 300 minutes of moderate intensity physical activity a week, or 150 minutes of vigorous exercise, or a combination of both. Those who met the lower bound did 150 minutes of moderate intensity exercise a week, or 75 minutes of vigorous exercise, or a combination. Moderate intensity physical activity usually makes you slightly out of breath if sustained for a few minutes and includes brisk walking or cycling at a leisurely pace. Vigorous exercise usually makes you breath hard and can include running, swimming, and playing sports like tennis, netball, soccer or footy. <figure class="align-center "><img src="https://images.theconversation.com/files/408096/original/file-20210624-15-1qfe1ay.png?ixlib=rb-4.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/408096/original/file-20210624-15-1qfe1ay.png?ixlib=rb-4.1.0&q=45&auto=format&w=600&h=409&fit=crop&dpr=1 600w, https://images.theconversation.com/files/408096/original/file-20210624-15-1qfe1ay.png?ixlib=rb-4.1.0&q=30&auto=format&w=600&h=409&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/408096/original/file-20210624-15-1qfe1ay.png?ixlib=rb-4.1.0&q=15&auto=format&w=600&h=409&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/408096/original/file-20210624-15-1qfe1ay.png?ixlib=rb-4.1.0&q=45&auto=format&w=754&h=515&fit=crop&dpr=1 754w, https://images.theconversation.com/files/408096/original/file-20210624-15-1qfe1ay.png?ixlib=rb-4.1.0&q=30&auto=format&w=754&h=515&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/408096/original/file-20210624-15-1qfe1ay.png?ixlib=rb-4.1.0&q=15&auto=format&w=754&h=515&fit=crop&dpr=3 2262w" alt="" /><figcaption>Doing at least 150 minutes of moderate intensity physical activity a week, or 75 minutes of vigorous exercise, can offset some of the health harms of poor sleep. <a class="source" href="https://apps.who.int/iris/bitstream/handle/10665/336656/9789240015128-eng.pdf?sequence=1&isAllowed=y">World Health Organization, CC BY-NC-SA 3.0 IGO</a></figcaption></figure> <h2>What did we find?</h2> We followed up with the participants after 11 years. By May 2020, 15,503 participants had died, of which 4,095 died from heart disease and 9,064 died from cancer. <a href="https://doi.org/10.1136/bjsports-2021-104046">We found</a> that, compared to healthy sleepers, people with poor sleep had a 23% higher risk of premature death, a 39% higher risk of dying from heart disease, and a 13% higher risk of dying from cancer. We then compared the data of people who slept well with those who slept poorly, and how much they exercised. We found people who had the highest risk of dying from heart disease and cancer were those who had poor sleep and didn’t meet the WHO physical activity guidelines. On the other hand, those who had poor sleep but did enough physical activity to meet the WHO guidelines didn’t have as high a risk of dying from heart disease or cancer, compared to those who slept poorly and didn’t meet the physical activity guidelines. For example, let’s look at the risk of dying from cancer. Those who had poor sleep and did no physical activity had a 45% higher risk of dying from cancer compared to those who had healthy sleep and exercised a lot. But among those who met the physical activity guidelines, despite poor sleep, they didn’t really have a higher risk of dying from cancer any more. We found physical activity levels which met at least the bottom threshold of the WHO guidelines could reduce or eliminate some of the health harms of poor sleep. So people who did at least 150 minutes of moderate intensity or 75 minutes of vigorous intensity exercise per week were to some extent protected against the detrimental health effects of poor sleep. Those who had both poor sleep and did no moderate-to-vigorous intensity physical activity had the highest risks of premature death. Our study wasn’t designed to find out how and why physical activity may counteract some of the bad physiological impacts of poor sleep. But other research provides theories. For example, adequate physical activity may <a href="https://doi.org/10.1249/MSS.0000000000001179">reduce inflammation, help maintain a healthy glucose metabolism</a>, and <a href="https://doi.org/10.1016/j.pcad.2018.07.014">increase the number of calories burned</a>. It’s important to note our study was what’s called an “observational study”. It shows an association between adequate physical activity and reduced harms from poor sleep, but we must be careful in interpreting causation. It can’t conclusively say adequate physical activity causes the reduction of harms from poor sleep, though there’s strong evidence for an association in the right direction. Our study offers a hopeful message, that even if you haven’t been able to improve your sleep, you can still offset some of the health harms by doing enough exercise. <a href="https://www.sciencedirect.com/science/article/abs/pii/S009174352030339X">Our previous research</a> has also shown physical activity may help improve poor sleep patterns, which are a serious health problem across the world. In addition to combating some of the negative outcomes of poor sleep, physical activity can also provide many other health benefits and extend our lives. For example, a 2019 study found people who met WHO’s physical activity target above <a href="https://doi.org/10.1186/s12916-019-1339-0">lived three years longer on average</a> than those who didn’t. During lockdowns, access to parks, gyms, and swimming pools might be limited in many places. But there are still many ways to <a href="https://www.euro.who.int/en/health-topics/health-emergencies/coronavirus-covid-19/publications-and-technical-guidance/noncommunicable-diseases/stay-physically-active-during-self-quarantine">to stay fit and active at home during the coronavirus</a>.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/163270/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/bo-huei-huang-1243280">Bo-Huei Huang</a>, PhD candidate, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a> and <a href="https://theconversation.com/profiles/emmanuel-stamatakis-161783">Emmanuel Stamatakis</a>, Professor of Physical Activity, Lifestyle, and Population Health, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/poor-sleep-is-really-bad-for-your-health-but-we-found-exercise-can-offset-some-of-these-harms-163270">original article</a>. </div>

Body

Want to sleep longer? Adding mini-bursts of exercise to your evening routine can help

<a href="https://theconversation.com/profiles/jennifer-gale-1548741">Jennifer Gale</a>, <a href="https://theconversation.com/institutions/university-of-otago-1304">University of Otago</a> and <a href="https://theconversation.com/profiles/meredith-peddie-1548807">Meredith Peddie</a>, <a href="https://theconversation.com/institutions/university-of-otago-1304">University of Otago</a> Exercising before bed has <a href="https://www.sciencedirect.com/science/article/pii/S2352721815000157">long been discouraged</a> as the body doesn’t have time to wind down before the lights go out. But <a href="https://bmjopensem.bmj.com/content/10/3/e001774">new research</a> has found breaking up a quiet, sedentary evening of watching television with short bursts of resistance exercise can lead to longer periods of sleep. Adults spend almost one third of the 24-hour day sleeping. But the quality and length of sleep can affect long-term health. Sleeping too little or waking often in the night is associated with an <a href="https://academic.oup.com/sleep/article-lookup/doi/10.5665/sleep.1382">increased risk of heart disease</a> and <a href="https://diabetesjournals.org/care/article/33/2/414/27149/Quantity-and-Quality-of-Sleep-and-Incidence-of">diabetes</a>. Physical activity during the day can help improve sleep. However, <a href="https://www.sciencedirect.com/science/article/pii/S2352721815000157">current recommendations</a> discourage intense exercise before going to bed as it can increase a person’s heart rate and core temperature, which can ultimately disrupt sleep. <h2>Nighttime habits</h2> For many, the longest period of uninterrupted sitting happens at home in the evening. People also usually consume their largest meal during this time (or snack throughout the evening). Insulin (the hormone that helps to remove sugar from the blood stream) tends to be at a lower level in the evening than in the morning. Together these factors promote elevated blood sugar levels, which over the long term can be bad for a person’s health. Our <a href="https://journals.lww.com/acsm-msse/fulltext/2023/08000/breaking_up_evening_sitting_with_resistance.14.aspx">previous research</a> found interrupting evening sitting every 30 minutes with three minutes of resistance exercise reduces the amount of sugar in the bloodstream after eating a meal. But because sleep guidelines currently discourage exercising in the hours before going to sleep, we wanted to know if frequently performing these short bursts of light activity in the evening would affect sleep. <h2>Activity breaks for better sleep</h2> In our latest research, we asked 30 adults to complete two sessions based in a laboratory. During one session the adults sat continuously for a four-hour period while watching streaming services. During the other session, they interrupted sitting by performing three minutes of body-weight resistance exercises (squats, calf raises and hip extensions) every 30 minutes. After these sessions, participants went home to their normal life routines. Their sleep that evening was measured using a wrist monitor. Our research found the quality of sleep (measured by how many times they woke in the night and the length of these awakenings) was the same after the two sessions. But the night after the participants did the exercise “activity breaks” they slept for almost 30 minutes longer. Identifying the biological reasons for the extended sleep in our study requires further research. But regardless of the reason, if activity breaks can extend sleep duration, then getting up and moving at regular intervals in the evening is likely to have clear health benefits. <h2>Time to revisit guidelines</h2> These results add to <a href="https://linkinghub.elsevier.com/retrieve/pii/S1087079221001209">earlier work</a> suggesting current sleep guidelines, which discourage evening exercise before bed, may need to be reviewed. As the activity breaks were performed in a highly controlled laboratory environment, future research should explore how activity breaks performed in real life affect peoples sleep. We selected simple, body-weight exercises to use in this study as they don’t require people to interrupt the show they may be watching, and don’t require a large space or equipment. If people wanted to incorporate activity breaks in their own evening routines, they could probably get the same benefit from other types of exercise. For example, marching on the spot, walking up and down stairs, or even dancing in the living room. The key is to frequently interrupt evening sitting time, with a little bit of whole-body movement at regular intervals. In the long run, performing activity breaks may improve health by improving sleep and post-meal blood sugar levels. The most important thing is to get up frequently and move the body, in a way the works best for a person’s individual household.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/234896/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/jennifer-gale-1548741">Jennifer Gale</a>, PhD candidate, Department of Human Nutrition, <a href="https://theconversation.com/institutions/university-of-otago-1304">University of Otago</a> and <a href="https://theconversation.com/profiles/meredith-peddie-1548807">Meredith Peddie</a>, Senior Lecturer, Department of Human Nutrition, <a href="https://theconversation.com/institutions/university-of-otago-1304">University of Otago</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/want-to-sleep-longer-adding-mini-bursts-of-exercise-to-your-evening-routine-can-help-new-study-234896">original article</a>.

Body

Joe Biden has COVID. Here’s what someone over 80 can expect

<a href="https://theconversation.com/profiles/hassan-vally-202904">Hassan Vally</a>, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a> If US politics leading up to the 2024 presidential election was a Hollywood thriller, it would be a movie full of plot twists and surprises. The latest twist is President Joe Biden has <a href="https://edition.cnn.com/2024/07/17/politics/joe-biden-tests-positive-covid-19/index.html">COVID</a> and is isolating at home. <a href="https://www.whitehouse.gov/briefing-room/statements-releases/2024/07/17/statement-from-press-secretary-karine-jean-pierre-3/">Biden’s doctor says</a> his symptoms are mild and include a runny nose, cough and generally feeling unwell. His temperature, oxygen levels and respiratory rate are said to be normal. Biden, who has <a href="https://www.bbc.com/news/articles/cv2gj8314nqo">been diagnosed</a> with COVID twice before, <a href="https://www.whitehouse.gov/briefing-room/statements-releases/2024/07/17/statement-from-press-secretary-karine-jean-pierre-3/">has received</a> his COVID vaccine and booster shots, and has taken the first dose of the antiviral drug Paxlovid. No doubt, Biden will be receiving the best of medical care. Yet, as much <a href="https://theconversation.com/is-joe-biden-experiencing-cognitive-decline-heres-why-we-shouldnt-speculate-234487">recent media coverage</a> reminds us, he is 81 years old. So let’s look at what it means for an 81-year-old man to have COVID in 2024. Of course, Biden is not just any man, but we’ll come to that later. <h2>Luckily, it’s not 2020</h2> If we were back in 2020, a COVID diagnosis at this age would have been a big deal. This was a time before COVID vaccines, before specific COVID treatments and before we knew as much about COVID as we do today. Back then, being over 80 and being infected with the SARS-CoV-2 virus (the virus that causes COVID) represented a significant threat to your health. It was very clear early in the pandemic that your chances of getting severe disease and dying <a href="https://theconversation.com/why-are-older-people-more-at-risk-of-coronavirus-133770">increased with age</a>. The early data suggested that if you were over 80 and infected, you had about a 15% likelihood of dying from the illness. Also, if you did develop severe disease, we didn’t have a lot in the toolkit to deal with your infection. Remember, former UK Prime Minister Boris Johnson <a href="https://theconversation.com/scott-morrison-has-covid-its-a-big-deal-but-not-how-you-think-178298">ended up in the ICU</a> with his COVID infection in <a href="https://www.theguardian.com/world/2020/apr/17/boris-johnson-and-coronavirus-inside-story-illness">April 2020</a>, despite being 55 at the time. That’s a much younger age than Biden is now. Former US President Donald Trump also had what was understood to be a <a href="https://www.theguardian.com/us-news/2021/feb/11/trump-coronavirus-ventilator-covid-illness">very severe case</a> of COVID in October 2020. He was 74 at the time. <h2>How things have changed</h2> So let’s wind the clock forward to 2024. A lot has happened in four years. COVID is still a disease that needs to be <a href="https://www.cdc.gov/ncird/whats-new/changing-threat-covid-19.html">taken seriously</a>. And for some people with other health conditions (for instance, people with heart disease or diabetes) it poses more of a threat. And of course we know more about the well-publicised <a href="https://theconversation.com/i-have-covid-how-likely-am-i-to-get-long-covid-218808">longer term effects</a> of COVID. But the threat COVID poses to an individual is far less now than it has ever been. <h2>More of us have some immunity</h2> First, <a href="https://www.theguardian.com/world/2022/dec/03/who-estimates-90-of-world-have-some-resistance-to-covid">most people</a> have some immunity to COVID now, whether this has come from vaccination or prior infection, and for many both. The fact that your immune system has had some exposure to the virus is transformative in how you respond to infection. Yes, there’s the ongoing problem of waning immunity over time and the virus mutating meaning you need to have regular booster vaccines. But as your immune system has “seen” the virus before it allows it to respond more effectively. This means the threat posed by infection has fallen drastically. We know Biden has received his booster shots. Boosters have been shown to offer <a href="https://theconversation.com/what-are-the-new-covid-booster-vaccines-can-i-get-one-do-they-work-are-they-safe-217804">substantial protection</a> against severe illness and death and are particularly important for older age groups. <h2>Now we have antivirals</h2> Second, we also have antiviral medicines, such as Paxlovid, which is effective in reducing the likelihood of severe illness from COVID if taken soon after developing symptoms. In <a href="https://www.nejm.org/doi/full/10.1056/NEJMoa2118542">one study</a>, if taken soon after infection, Paxlovid reduced the likelihood of severe illness or death by 89%. So it is <a href="https://www.covid19treatmentguidelines.nih.gov/therapies/antivirals-including-antibody-products/ritonavir-boosted-nirmatrelvir--paxlovid-/">highly recommended</a> for those at higher risk of severe illness. As we know, Biden is taking Paxlovid. Paxlovid has also been associated with rebound symptoms. This is when a person looks to have recovered from infection only to have symptoms reappear. Biden experienced this <a href="https://theconversation.com/why-do-some-people-who-take-paxlovid-for-covid-get-rebound-symptoms-or-test-positive-again-like-president-biden-188002">in 2022</a>. The good news is that even if this occurs in most instances the symptoms associated with the recurrence tend to be mild. <h2>Biden would have the best care</h2> The other factor of course is that Biden would have access to some of the world’s best medical care. If his symptoms were to become more severe or any complications were to develop, you can be assured he would get the best treatment. So is Biden’s diagnosis news? Well of course, given all the speculation about his health. But in terms of COVID being a major threat to Biden’s health, there are no indications it should be.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/234999/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/hassan-vally-202904">Hassan Vally</a>, Associate Professor, Epidemiology, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a> Image credits: Bonnie Cash/Pool via CNP/Shutterstock Editorial This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/joe-biden-has-covid-heres-what-someone-over-80-can-expect-234999">original article</a>.

Body

How sustainable is your weekly grocery shop? These small changes can have big benefits

<div class="theconversation-article-body"><a href="https://theconversation.com/profiles/michalis-hadjikakou-129930">Michalis Hadjikakou</a>, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a>; <a href="https://theconversation.com/profiles/carla-archibald-283811">Carla Archibald</a>, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a>; <a href="https://theconversation.com/profiles/ozge-geyik-1402545">Özge Geyik</a>, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a>, and <a href="https://theconversation.com/profiles/pankti-shah-1547393">Pankti Shah</a>, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a> You might think eating more sustainably requires drastic changes, such as shifting to a <a href="https://theconversation.com/vegan-diet-has-just-30-of-the-environmental-impact-of-a-high-meat-diet-major-study-finds-210152">vegan diet</a>. While a plant-based diet is <a href="https://www.nature.com/articles/s43016-023-00795-w">undeniably</a> good for the Earth, our <a href="https://www.sciencedirect.com/science/article/pii/S2352550924001945#f0025">new research</a> shows modest changes to your eating habits can also have significant environmental benefits. We assessed how food products on Australian supermarket shelves stack up against key environmental indicators, such as carbon emissions and water use. We found swapping the most environmentally harmful foods for more sustainable options within the same food group, such as switching from beef burgers to chicken burgers, can significantly reduce carbon emissions – by up to 96% in some instances. The last thing we want to do is take the pleasure away from eating. Instead, we want to help consumers make realistic dietary changes that also help ensure a sustainable future. So read on to find out which simple food swaps can best achieve this. <h2>Informing sustainable diets</h2> The environmental impact of foods can be estimated using an approach known as a <a href="https://www.cell.com/one-earth/fulltext/S2590-3322(19)30128-9#:%7E:text=In%20this%20Primer%2C%20we%20introduce,cycle%20of%20a%20product%20system.">life-cycle assessment</a>. This involves identifying the “inputs” required along the food supply chain, such as fertiliser, energy, water and land, and tracking them from farm to fork. From this we can calculate a product’s “footprint” – or environmental impact per kilogram of product – and compare it to other foods. Most studies of environmental footprints focus on the raw ingredients that make up food products (such as beef, wheat or rice) rather than the packaged products people see on shelves (such as beef sausages, pasta or rice crackers). Of the studies that do focus on packaged foods, most only consider a fraction of the products available to consumers. What’s more, a lot of research considers only the carbon emissions of food products, excluding other important measures such as water use. And some studies use global average environmental footprints, which <a href="https://www.science.org/doi/10.1126/science.aaq0216">vary significantly</a> between countries. Our research set out to overcome these limitations. We aligned environmental footprints with the products people find on supermarket shelves, and covered a huge range of food and beverage products available in Australia. We also included many environmental indicators, to allow a <a href="https://www.pnas.org/doi/full/10.1073/pnas.2120584119">more complete picture</a> of the sustainability of different foods. <h2>What we did</h2> Key to our research was the <a href="https://www.georgeinstitute.org.au/projects/foodswitch">FoodSwitch database</a>, which compiles food labelling and ingredient data from images of packaged food and beverages. It covers more than 90% of the Australian packaged food market. We combined the database with a <a href="https://www.sciencedirect.com/science/article/pii/S0959652623029748">mathematical method</a> that sums the environmental impact of ingredients, to quantify the footprint of the product as a whole. From this, we estimated the environmental footprint of 63,926 food products available in Australian supermarkets. We then simulated the potential benefits of making “realistic” switches between products – that is, switches within the same food category. <h2>Our findings</h2> The results show how making a small dietary change can have big environmental consequences. For a shopping basket composed of items from eight food groups, we simulate the benefits of swapping from high-impact towards medium- or low-impact food products. Our analysis assumes a starting point from the most environmentally harmful products in each food group – for example, sweet biscuits, cheese and beef burger patties. A shift to the medium-impact foods for all eight items – such as a muffin, yoghurt and sliced meat – can lead to at least a 62% reduction in environmental impact. Shifts towards the most sustainable choice for all items – bread, soy milk or raw poultry – can achieve a minimum 77% reduction. This analysis ends at the supermarket shelves and does not include additional food processing by the consumer. For example, raw meat will usually be cooked before human consumption, which will expand its environmental footprint to varying degrees, <a href="https://www.nature.com/articles/s43016-020-00200-w">depending on the method used</a>. See the below info-graphic for more detail. The full results are available in <a href="https://www.sciencedirect.com/science/article/pii/S2352550924001945">our study</a>. <hr /> <iframe id="sR5yB" class="tc-infographic-datawrapper" style="border: 0;" src="https://datawrapper.dwcdn.net/sR5yB/" width="100%" height="400px" frameborder="0" scrolling="no"></iframe> <hr /> <h2>What next?</h2> Many people are looking for ways to live more sustainably. Insufficient or complex information can fuel confusion and anxiety in consumers, <a href="https://theconversation.com/reducing-eco-anxiety-is-a-critical-step-in-achieving-any-climate-action-210327">leading to inaction or paralysis</a>. Consumers need more information and support to choose more sustainable foods. Supermarkets and retailers also have an important role to play – for example, by giving sustainable products <a href="https://journals.sagepub.com/doi/10.1177/07439156211008898">prominent shelf placement</a>. Attractive pricing is also crucial – particularly in the midst of a <a href="https://theconversation.com/au/topics/cost-of-living-crisis-115238">cost-of-living crisis</a> when it can be difficult to prioritise sustainability over cost. Government interventions, such as information campaigns and <a href="https://journals.sagepub.com/doi/10.1177/07439156211008898">taxing high-impact products</a>, can also help. Food labelling is also important. The European Union <a href="https://environment.ec.europa.eu/topics/circular-economy/eu-ecolabel/product-groups-and-criteria_en">is leading the way</a> with measures such as the <a href="https://docs.score-environnemental.com/v/en">eco-score</a>, which integrates 14 environmental indicators into a single score from A to E. Apps such as <a href="https://www.georgeinstitute.org/projects/ecoswitch">ecoSwitch</a> can also <a href="https://www.sciencedirect.com/science/article/pii/S1326020024000268?via%3Dihub">empower consumers</a>. The diets of people in developed nations such as Australia <a href="https://theconversation.com/sustainable-shopping-want-to-eat-healthy-try-an-eco-friendly-diet-89086">exert a high toll on our planet</a>. More sustainable food choices are vital to achieving a <a href="https://www.thelancet.com/commissions/EAT">sustainable future for humanity</a>. We hope our research helps kick-start positive change.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/234367/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/michalis-hadjikakou-129930">Michalis Hadjikakou</a>, Senior Lecturer in Environmental Sustainability, School of Life and Environmental Sciences, Faculty of Science, Engineering & Built Environment, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a>; <a href="https://theconversation.com/profiles/carla-archibald-283811">Carla Archibald</a>, Research Fellow, Conservation Science, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a>; <a href="https://theconversation.com/profiles/ozge-geyik-1402545">Özge Geyik</a>, Visitor, School of Life and Environmental Sciences, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a>, and <a href="https://theconversation.com/profiles/pankti-shah-1547393">Pankti Shah</a>, PhD student, <a href="https://theconversation.com/institutions/deakin-university-757">Deakin University</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/how-sustainable-is-your-weekly-grocery-shop-these-small-changes-can-have-big-benefits-234367">original article</a>. </div>

Food & Wine

Tastes from our past can spark memories, trigger pain or boost wellbeing. Here’s how to embrace food nostalgia

<a href="https://theconversation.com/profiles/megan-lee-490875">Megan Lee</a>, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a>; <a href="https://theconversation.com/profiles/doug-angus-1542552">Doug Angus</a>, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a>, and <a href="https://theconversation.com/profiles/kate-simpson-1542551">Kate Simpson</a>, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a> Have you ever tried to bring back fond memories by eating or drinking something unique to that time and place? It could be a Pina Colada that recalls an island holiday? Or a steaming bowl of pho just like the one you had in Vietnam? Perhaps eating a favourite dish reminds you of a lost loved one – like the sticky date pudding Nanna used to make? If you have, you have tapped into <a href="https://www.tandfonline.com/doi/full/10.1080/02699931.2022.2142525">food-evoked nostalgia</a>. As researchers, we are exploring how eating and drinking certain things from your past may be important for your mood and mental health. <h2>Bittersweet longing</h2> First named in 1688 by Swiss medical student, <a href="https://www.jstor.org/stable/44437799">Johannes Hoffer</a>, <a href="https://compass.onlinelibrary.wiley.com/doi/10.1111/spc3.12070">nostalgia</a> is that bittersweet, sentimental longing for the past. It is experienced <a href="https://journals.sagepub.com/doi/10.1111/j.1467-8721.2008.00595.x">universally</a> across different cultures and lifespans from childhood into older age. But nostalgia does not just involve positive or happy memories – we can also experience nostalgia for <a href="https://psycnet.apa.org/doiLanding?doi=10.1037%2F0022-3514.91.5.975">sad and unhappy moments</a> in our lives. In the <a href="https://psycnet.apa.org/doiLanding?doi=10.1037%2Femo0000817">short and long term</a>, nostalgia can positively impact our health by improving <a href="https://psycnet.apa.org/doiLanding?doi=10.1037%2Fa0025167">mood</a> and <a href="https://psycnet.apa.org/doiLanding?doi=10.1037%2Femo0000817">wellbeing</a>, fostering <a href="https://psycnet.apa.org/doiLanding?doi=10.1037%2Fa0017597">social connection</a> and increasing quality of life. It can also trigger feelings of <a href="https://psycnet.apa.org/doiLanding?doi=10.1037%2Femo0000817">loneliness or meaninglessness</a>. We can use nostalgia to <a href="https://psycnet.apa.org/doiLanding?doi=10.1037%2Fa0025167">turn around a negative mood</a> or enhance our sense of <a href="https://psycnet.apa.org/doiLanding?doi=10.1037%2Femo0000817">self, meaning and positivity</a>. Research suggests nostalgia alters activity in the <a href="https://academic.oup.com/scan/article/17/12/1131/6585517">brain regions associated with reward processing</a> – the same areas involved when we seek and receive things we like. This could explain the <a href="https://www.sciencedirect.com/science/article/abs/pii/S2352250X22002445?via%3Dihub">positive feelings</a> it can bring. Nostalgia can also increase feelings of loneliness and sadness, particularly if the memories highlight dissatisfaction, grieving, loss, or wistful feelings for the past. This is likely due to activation of <a href="https://www.sciencedirect.com/science/article/pii/S2352250X22002445?casa_token=V31ORDWcsx4AAAAA:Vef9hiwUz9506f5PYGsXH-JxCcnsptQnVPNaAGares2xTU5JbKSHakwGpLxSRO2dNckrdFGubA">brain areas</a> such as the amygdala, responsible for processing emotions and the prefrontal cortex that helps us integrate feelings and memories and regulate emotion. <h2>How to get back there</h2> There are several ways we can <a href="https://psycnet.apa.org/fulltext/2006-20034-013.html">trigger</a> or tap into nostalgia. Conversations with family and friends who have shared experiences, unique objects like photos, and smells can <a href="https://www.sciencedirect.com/science/article/abs/pii/S2352250X23000076">transport us back</a> to old times or places. So can a favourite song or old TV show, reunions with former classmates, even social media <a href="https://www.theverge.com/2015/3/24/8284703/facebook-on-this-day-nostalgia-recap">posts and anniversaries</a>. What we eat and drink can trigger <a href="https://www.emerald.com/insight/content/doi/10.1108/QMR-06-2012-0027/full/html">food-evoked nostalgia</a>. For instance, when we think of something as “<a href="https://theconversation.com/health-check-why-do-we-crave-comfort-food-in-winter-118776">comfort food</a>”, there are likely elements of nostalgia at play. Foods you found comforting as a child can evoke memories of being cared for and nurtured by loved ones. The form of these foods and the stories we tell about them may have been handed down through generations. Food-evoked nostalgia can be very powerful because it engages multiple senses: taste, smell, texture, sight and sound. The sense of <a href="https://www.tandfonline.com/doi/full/10.1080/09658211.2013.876048?casa_token=wqShWbRXJaYAAAAA%3AqJabgHtEbPtEQp7qHnl7wOb527bpGxzIJ_JwQX8eAyq1IrM_HQFIng8ELAMyuoFoeZyiX1zeJTPf">smell</a> is closely linked to the limbic system in the brain responsible for emotion and memory making food-related memories particularly vivid and emotionally charged. But, food-evoked nostalgia can also give rise to <a href="https://onlinelibrary.wiley.com/doi/full/10.1002/hpja.873">negative memories</a>, such as of being forced to eat a certain vegetable you disliked as a child, or a food eaten during a sad moment like a loved ones funeral. Understanding why these foods <a href="https://www.tandfonline.com/doi/full/10.1080/02699931.2022.2142525?casa_token=16kAPHUQTukAAAAA%3A9IDvre8yUT8UsuiR_ltsG-3qgE2sdkIFgcrdH3T5EYbVEP9JZwPcsbmsPLT6Kch5EFFs9RPsMTNn">evoke negative memories</a> could help us process and overcome some of our adult food aversions. Encountering these foods in a positive light may help us reframe the memory associated with them. <h2>What people told us about food and nostalgia</h2> Recently <a href="https://onlinelibrary.wiley.com/doi/full/10.1002/hpja.873">we interviewed eight Australians</a> and asked them about their experiences with food-evoked nostalgia and the influence on their mood. We wanted to find out whether they experienced food-evoked nostalgia and if so, what foods triggered pleasant and unpleasant memories and feelings for them. They reported they could use foods that were linked to times in their past to manipulate and influence their mood. Common foods they described as particularly nostalgia triggering were homemade meals, foods from school camp, cultural and ethnic foods, childhood favourites, comfort foods, special treats and snacks they were allowed as children, and holiday or celebration foods. One participant commented: <blockquote> I guess part of this nostalgia is maybe […] The healing qualities that food has in mental wellbeing. I think food heals for us. </blockquote> Another explained <blockquote> I feel really happy, and I guess fortunate to have these kinds of foods that I can turn to, and they have these memories, and I love the feeling of nostalgia and reminiscing and things that remind me of good times. </blockquote> Understanding food-evoked nostalgia is valuable because it provides us with an insight into how our sensory experiences and emotions intertwine with our memories and identity. While we know a lot about how food triggers nostalgic memories, there is still much to learn about the specific brain areas involved and the differences in food-evoked nostalgia in different cultures. In the future we may be able to use the science behind food-evoked nostalgia to help people experiencing dementia to tap into lost memories or in psychological therapy to help people reframe negative experiences. So, if you are ever feeling a little down and want to improve your mood, consider turning to one of your favourite comfort foods that remind you of home, your loved ones or a holiday long ago. Transporting yourself back to those times could help turn things around.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/232826/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/megan-lee-490875">Megan Lee</a>, Senior Teaching Fellow, Psychology, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a>; <a href="https://theconversation.com/profiles/doug-angus-1542552">Doug Angus</a>, Assistant Professor of Psychology, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a>, and <a href="https://theconversation.com/profiles/kate-simpson-1542551">Kate Simpson</a>, Sessional academic, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/tastes-from-our-past-can-spark-memories-trigger-pain-or-boost-wellbeing-heres-how-to-embrace-food-nostalgia-232826">original article</a>.

Mind

Just 15 centimetres of water can float a car – but we are failing to educate drivers about the dangers of floodwaters

<div class="theconversation-article-body"><a href="https://theconversation.com/profiles/amy-peden-1136424">Amy Peden</a>, <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> and <a href="https://theconversation.com/profiles/kyra-hamilton-331594">Kyra Hamilton</a>, <a href="https://theconversation.com/institutions/griffith-university-828">Griffith University</a> Every year in Australia, people driving into floodwaters drown and many more are <a href="https://www.ses.nsw.gov.au/disaster-tabs-header/flood/">rescued</a>. Do you know what to do when there’s water on the road? We searched all state and territory learner and driver handbooks for information about floodwaters, including signage. Our findings, published in the <a href="https://www.sciencedirect.com/science/article/pii/S0022437524000860?via%3Dihub">Journal of Safety Research</a>, are disturbing. Across half of Australia’s states and territories, the driver handbook ignores flooding. That’s a missed opportunity, considering the handbook contains road rules and provides advice on how to navigate safely. While some states fail to provide any flood-related information, others give detailed practical guidance. Only the New South Wales handbook includes explanation of the meaning and purpose of flood signage. This is despite almost all states and territories experiencing vehicle-related flood <a href="https://onlinelibrary.wiley.com/doi/epdf/10.1111/jfr3.12616">deaths</a>, including <a href="https://currents.plos.org/disasters/article/causal-pathways-of-flood-related-river-drowning-deaths-in-australia/">drowning</a>, between 2001 and 2017. It’s a major problem that is only going to get worse as the climate changes. So our research shows driver education needs to come up to speed, fast. <h2>Why do people drive into floodwaters?</h2> Our previous <a href="https://www.sciencedirect.com/science/article/abs/pii/S2212420918301869">research</a> revealed motorists can feel compelled to drive into floodwaters for a range of reasons. These include time pressures such as being late for work or school, or needing to get home to family or pets. Sometimes they feel pressured by their passengers, or motorists behind them on the road, urging them to cross. People also report having been encouraged or instructed as learners to drive into floodwaters. Past experience as a passenger also influences a <a href="https://www.sciencedirect.com/science/article/pii/S1369847823000475">learner driver’s</a> future willingness to drive into floodwaters. So the views of significant others, such as their supervising driver, strongly influence decisions around driving into floodwaters. <figure><iframe src="https://www.youtube.com/embed/ZtlXpDBjU1Q?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption>Avoid driving into floodwaters, for life’s sake.</figcaption></figure> <h2>What we did and what we found</h2> We assessed all publicly available, government-issued learner and driver handbooks (12 documents) across all six Australian states and two territories. We also looked for flood-related signage. We used a method for reviewing online material through a systematic search including in-document key words and imagery. Four jurisdictions provided no information on flooding in the handbook. In the ACT, South Australia, Tasmania and Victoria, drivers need to look elsewhere for information on floodwaters and driving safety. Only one jurisdiction provided information on flood signage such as depth markers and “road subject to flooding”. Hats off to the <a href="https://www.nsw.gov.au/sites/default/files/2022-11/Road-User-Handbook-English.pdf">NSW Road User Handbook</a>, which warns: <blockquote> Floodwater is extremely dangerous. Find another way or wait until the road is clear. It’s safer to turn around than to drive in floodwater. </blockquote> For the states and territories that did provide information on floodwaters in the handbook, the content varied. NSW, Queensland and the Northern Territory warned against entering floodwaters in a vehicle. They highlighted the dangers and financial penalties associated with driving on closed roads. In the NT and Western Australia, handbooks provided practical information on when and how to cross floodwaters safely, such as how to gauge safe water depth based on vehicle size, and to avoid fast-flowing water. Although well-intentioned, judgements around what constitutes fast-flowing water are subjective and hard for any driver to assess, let alone learner drivers. Even drivers of larger vehicles such as four-wheel drives are regularly involved in flood-related <a href="https://currents.plos.org/disasters/article/causal-pathways-of-flood-related-river-drowning-deaths-in-australia/">vehicle drowning fatalities</a>. Just <a href="https://www.ses.vic.gov.au/news-and-media/campaigns/15-to-float">45cm</a> of water can float a large 4WD, and considerably less for smaller vehicles. <figure><iframe src="https://www.youtube.com/embed/t4ilUbMXZAQ?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption>A small car can float in just 15cm of water.</figcaption></figure> Handbooks represent valuable sources of safety information, particularly for new drivers who must learn important road rules to progress from one licence to another. Such graduated driver licensing schemes reduce road traffic injury, particularly among <a href="https://www.sciencedirect.com/science/article/pii/S0022437523000385">young people</a>. However, many of these handbooks fail to provide consistent, practical evidence-based information about flooding. There is an opportunity here to support safer driving behaviours. <h2>Safety tips for all drivers</h2> We encourage drivers to follow these safety tips: <ul> <li>avoid driving into floodwaters</li> <li>identify alternative routes, so you have a <a href="https://theconversation.com/when-roads-become-rivers-forming-a-plan-b-can-stop-people-driving-into-floodwaters-183036">plan B</a></li> <li>familiarise yourself, and any learner drivers in the household or under your care, with the meaning and purpose of flood signage</li> <li>understand the legal consequences of crossing a road closed sign</li> <li>discuss the dangers of driving into floodwaters with learner drivers and help them formulate their own plan B</li> <li>model safe driving for all passengers, including children.</li> </ul> <h2>Time to lift our game</h2> Driving into floodwaters remains the main cause of <a href="https://currents.plos.org/disasters/article/causal-pathways-of-flood-related-river-drowning-deaths-in-australia/">flood-related drowning</a> in Australia. For our emergency service personnel, driver behaviour, including people ignoring road closed signs, <a href="https://onlinelibrary.wiley.com/doi/abs/10.1002/hpja.181">significantly complicates</a> the already dangerous act of performing a flood rescue. Extreme weather and flooding are likely to become more frequent and intense in the future. That means the chance of being faced with a flooded road is growing. So information about driving during floods is vital for all, from the newly licensed to the experienced driver. We hope our research will encourage all states and territories to include provide practical, evidence-based advice on floods in driver handbooks as soon as possible.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/233116/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/amy-peden-1136424">Amy Peden</a>, NHMRC Research Fellow, School of Population Health & co-founder UNSW Beach Safety Research Group, <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> and <a href="https://theconversation.com/profiles/kyra-hamilton-331594">Kyra Hamilton</a>, Associate Professor in Applied Psychology, <a href="https://theconversation.com/institutions/griffith-university-828">Griffith University</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/just-15-centimetres-of-water-can-float-a-car-but-we-are-failing-to-educate-drivers-about-the-dangers-of-floodwaters-233116">original article</a>. </div>

Travel Trouble

Taking too many medications can pose health risks. Here’s how to avoid them

<a href="https://theconversation.com/profiles/caroline-sirois-1524891">Caroline Sirois</a>, <a href="https://theconversation.com/institutions/universite-laval-1407">Université Laval</a> When we see an older family member handling a bulky box of medications sorted by day of the week, we might stop and wonder, is it too much? How do all those pills interact? The fact is, as we get older we are more likely to develop different chronic illnesses that require us to take several different medications. This is known as polypharmacy. The concept applies to people taking five or more medications, but there are all sorts of <a href="https://doi.org/10.3390/pharmacy7030126">definitions with different thresholds</a> (for example, four, 10 or 15 medicines). I’m a pharmacist and pharmacoepidemiologist interested in polypharmacy and its impact on the population. The research I carry out with my team at the Faculty of Pharmacy at Université Laval focuses on the appropriate use of medication by older family members. We have published this <a href="https://doi.org/10.1093/ageing/afac244">study</a> on the perceptions of older adults, family carers and clinicians on the use of medication among persons over 65. <h2>Polypharmacy among older adults</h2> Polypharmacy is very common among older adults. In 2021, a quarter of persons over 65 in Canada were prescribed <a href="https://www.cihi.ca/en/drug-use-among-seniors-in-canada">more than ten different classes of medication</a>. In Québec, persons over 65 used an average of <a href="https://www.inspq.qc.ca/sites/default/files/publications/2679_portrait_polypharmacie_aines_quebecois.pdf">8.7 different drugs in 2016</a>, the latest year available for statistics. Is it a good idea to take so many drugs? According to <a href="https://journals.sagepub.com/doi/10.1177/07334648211069553">our study</a>, the vast majority of seniors and family caregivers would be willing to stop taking one or more medications if the doctor said it was possible, even though most are satisfied with their treatments, <a href="https://doi.org/10.1093/ageing/afac244">have confidence in their doctors</a> and feel that their doctors are taking care of them to the best of their ability. In the majority of cases, medicine prescribers are helping the person they are treating. Medications have a positive impact on health and are essential in many cases. But while the treatment of individual illnesses is often adequate, the whole package can sometimes become problematic. <h2>The risks of polypharmacy: 5 points to consider</h2> When we evaluate cases of polypharmacy, we find that the quality of treatment is often compromised when many medications are being taken. <ol> <li> Drug interactions: polypharmacy increases the risk of drugs interacting, which can lead to undesirable effects or reduce the effectiveness of treatments. </li> <li> A drug that has a positive effect on one illness may have a negative effect on another: what should you do if someone has both illnesses? </li> <li> The greater the number of drugs taken, the greater the risk of undesirable effects: for adults over 65, for example, there is an increased risk of confusion or falls, which have significant consequences. </li> <li> The more medications a person takes, the more likely they are to take a <a href="https://www.doi.org/10.1093/fampra/cmz060">potentially inappropriate medication</a>. For seniors, these drugs generally carry more risks than benefits. For example, benzodiazepines, medicine for anxiety or sleep, are the <a href="https://www.inspq.qc.ca/sites/default/files/publications/2575_utilisation_medicaments_potentiellement_inappropries_aines.pdf">most frequently used class</a> of medications. We want to reduce their use as much as possible <a href="https://www.canada.ca/en/health-canada/services/substance-use/controlled-illegal-drugs/benzodiazepines.html">to avoid negative impacts</a> such as confusion and increased risk of falls and car accidents, not to mention the risk of dependence and death. </li> <li> Finally, polypharmacy is associated with various adverse health effects, such as an <a href="https://www.doi.org/10.1007/s41999-021-00479-3">increase in frailty, hospital admissions and emergency room visits</a>. However, studies conducted to date have not always succeeded in isolating the effects specific to polypharmacy. As polypharmacy is more common among people with multiple illnesses, these illnesses may also contribute to the observed risks. </li> </ol> Polypharmacy is also a combination of medicines. There are almost as many as there are people. The risks of these different combinations can vary. For example, the risks associated with a combination of five potentially inappropriate drugs would certainly be different from those associated with blood pressure medication and vitamin supplements. Polypharmacy is therefore complex. <a href="https://doi.org/10.1186/s12911-021-01583-x">Our studies attempt to use artificial intelligence</a> to manage this complexity and identify combinations associated with negative impacts. There is still a lot to learn about polypharmacy and its impact on health. <h2>3 tips to avoid the risks associated with polypharmacy</h2> What can we do as a patient, or as a caregiver? <ol> <li> Ask questions: when you or someone close to you is prescribed a new treatment, be curious. What are the benefits of the medication? What are the possible side effects? Does this fit in with my treatment goals and values? How long should this treatment last? Are there any circumstances in which discontinuing it should be considered ? </li> <li> Keep your medicines up to date: make sure they are all still useful. Are there still any benefits to taking them? Are there any side effects? Are there any drug interactions? Would another treatment be better? Should the dose be reduced? </li> <li> Think about de-prescribing: this is an increasingly common clinical practice that involves stopping or reducing the dose of an inappropriate drug after consulting a health-care professional. It is a shared decision-making process that involves the patient, their family and health-care professionals. The <a href="https://www.deprescribingnetwork.ca">Canadian Medication Appropriateness and Deprescribing Network</a> is a world leader in this practice. It has compiled a number of tools for patients and clinicians. You can find them on their website and subscribe to the newsletter. </li> </ol> <h2>Benefits should outweigh the risks</h2> Medications are very useful for staying healthy. It’s not uncommon for us to have to take more medications as we age, but this shouldn’t be seen as a foregone conclusion. Every medication we take must have direct or future benefits that outweigh the risks associated with them. As with many other issues, when it comes to polypharmacy, the saying, “everything in moderation,” frequently applies.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/230612/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/caroline-sirois-1524891">Caroline Sirois</a>, Professor in Pharmacy, <a href="https://theconversation.com/institutions/universite-laval-1407">Université Laval</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/taking-too-many-medications-can-pose-health-risks-heres-how-to-avoid-them-230612">original article</a>.

Body

Can you drink your fruit and vegetables? How does juice compare to the whole food?

<a href="https://theconversation.com/profiles/emma-beckett-22673">Emma Beckett</a>, <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> Do you struggle to eat your fruits and vegetables? You are not alone. Less than 5% of Australians eat the recommended serves of fresh produce <a href="https://www.abs.gov.au/statistics/health/health-conditions-and-risks/dietary-behaviour/latest-release">each day</a> (with 44% eating enough fruit but only 6% eating the recommended vegetables). Adults <a href="https://www.eatforhealth.gov.au/food-essentials/five-food-groups">should aim to eat</a> at least five serves of vegetables (or roughly 375 grams) and two serves of fruit (about 300 grams) each day. Fruits and vegetables help keep us healthy because they have lots of nutrients (vitamins, minerals and fibre) and health-promoting bioactive compounds (substances not technically essential but which have health benefits) without having many calories. So, if you are having trouble <a href="https://theconversation.com/want-your-child-to-eat-more-veggies-talk-to-them-about-eating-the-rainbow-195563">eating the rainbow</a>, you might be wondering – is it OK to drink your fruits and vegetables instead in a juice or smoothie? Like everything in nutrition, the answer is all about context. <h2>It might help overcome barriers</h2> Common reasons for not eating enough fruits and vegetables are <a href="https://onlinelibrary.wiley.com/doi/abs/10.1111/1747-0080.12735">preferences, habits, perishability, cost, availability, time and poor cooking skills</a>. Drinking your fruits and vegetables in juices or smoothies can help overcome some of these barriers. <a href="https://onlinelibrary.wiley.com/doi/full/10.1111/j.1467-3010.2009.01760.x">Juicing or blending</a> can help disguise tastes you don’t like, like bitterness in vegetables. And it can blitz imperfections such as bruises or soft spots. Preparation doesn’t take much skill or time, particularly if you just have to pour store-bought juice from the bottle. Treating for food safety and shipping time does change the make up of juices slightly, but unsweetened juices still remain significant sources of <a href="https://pubmed.ncbi.nlm.nih.gov/12403253/">nutrients</a> and <a href="https://www.emerald.com/insight/content/doi/10.1108/00070701111140089/full/html?fullSc=1">beneficial bioactives</a>. Juicing can <a href="https://academic.oup.com/nutritionreviews/advance-article-pdf/doi/10.1093/nutrit/nuz031/30096176/nuz031.pdf">extend shelf life</a> and reduce the cost of nutrients. In fact, when researchers looked at the density of nutrients relative to the costs of common foods, <a href="https://www.mdpi.com/1660-4601/18/11/5771">fruit juice was the top performer</a>. <h2>So, drinking my fruits and veggies counts as a serve, right?</h2> How juice is positioned in healthy eating recommendations is a bit confusing. The <a href="https://www.eatforhealth.gov.au/food-essentials/five-food-groups/fruit">Australian Dietary Guidelines</a> include 100% fruit juice with fruit but vegetable juice isn’t mentioned. This is likely because vegetable juices weren’t as common in 2013 when the guidelines were last revised. <a href="https://www.eatforhealth.gov.au/food-essentials/five-food-groups/fruit">The guidelines</a> also warn against having juice too often or in too high amounts. This appears to be based on the logic that juice is similar, but not quite as good as, whole fruit. Juice has lower levels of fibre compared to fruits, with fibre important for gut health, heart health and promoting feelings of fullness. Juice and smoothies also release the sugar from the fruit’s other structures, making them “free”. The <a href="https://www.who.int/publications-detail-redirect/9789241549028">World Health Organization recommends</a> we limit free sugars for good health. But fruit and vegetables are more than just the sum of their parts. When we take a “<a href="https://hal.science/hal-01630639/">reductionist</a>” approach to nutrition, foods and drinks are judged based on assumptions made about limited features such as sugar content or specific vitamins. But these features might not have the impact we logically assume because of the complexity of foods and people. When humans eat varied and complex diets, we don’t necessarily need to be concerned that some foods are lower in fibre than others. Juice can retain the nutrients and bioactive compounds of fruit and vegetables and even add more because parts of the fruit we don’t normally eat, like the skin, can be included. <h2>So, it is healthy then?</h2> A recent <a href="https://academic.oup.com/nutritionreviews/advance-article/doi/10.1093/nutrit/nuae036/7659479?login=false">umbrella review of meta-analyses</a> (<a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8977198/">a type of research</a> that combines data from multiple studies of multiple outcomes into one paper looked at the relationship between 100% juice and a range of health outcomes. Most of the evidence showed juice had a neutral impact on health (meaning no impact) or a positive one. Pure 100% juice was linked to improved heart health and inflammatory markers and wasn’t clearly linked to weight gain, multiple cancer types or metabolic markers (such as blood sugar levels). Some health risks linked to drinking juice were <a href="https://academic.oup.com/nutritionreviews/advance-article/doi/10.1093/nutrit/nuae036/7659479?login=false">reported</a>: death from heart disease, prostate cancer and diabetes risk. But the risks were all reported in <a href="https://www.cancer.gov/research/participate/what-are-observational-studies#:%7E:text=Observational%20studies%20are%20research%20studies,over%20a%20period%20of%20time.">observational studies</a>, where researchers look at data from groups of people collected over time. These are not controlled and do not record consumption in the moment. So other drinks people think of as 100% fruit juice (such as sugar-sweetened juices or cordials) might accidentally be counted as 100% fruit juice. These types of studies are not good at showing the direct causes of illness or death. <h2>What about my teeth?</h2> The common belief juice damages teeth might not stack up. Studies that show juice damages teeth often <a href="https://www.frontiersin.org/articles/10.3389/fpubh.2019.00190/full">lump 100% juice in with sweetened drinks</a>. Or they use model systems like fake mouths that <a href="https://www.frontiersin.org/articles/10.3389/fpubh.2019.00190/full">don’t match</a> how people drinks juice in real life. Some <a href="https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2019.00190/full">use extreme scenarios</a> like sipping on large volumes of drink frequently over long periods of time. Juice is acidic and does contain sugars, but it is possible proper oral hygiene, including <a href="https://www.sciencedirect.com/science/article/abs/pii/S0300571207000152?via%3Dihub">rinsing, cleaning</a> and using straws can mitigate these risks. Again, reducing juice to its acid level misses the rest of the story, including the nutrients and bioactives contained in juice that are <a href="https://www.sciencedirect.com/science/article/pii/S2352385919300210#:%7E:text=Research%20has%20also%20confirmed%20that,prevention%20of%20oral%20inflammatory%20disorders.">beneficial to oral health</a>. <h2>So, what should I do?</h2> Comparing whole fruit (a food) to juice (a drink) can be problematic. They serve different culinary purposes, so aren’t really interchangeable. The Australian Guide to Healthy Eating recommends <a href="https://www.eatforhealth.gov.au/guidelines/australian-guide-healthy-eating">water as the preferred beverage</a> but this assumes you are getting all your essential nutrients from eating. Where juice fits in your diet depends on what you are eating and what other drinks it is replacing. Juice might replace water in the context of a “perfect” diet. Or juice might replace <a href="https://www.cambridge.org/core/journals/public-health-nutrition/article/substitution-of-pure-fruit-juice-for-fruit-and-sugarsweetened-beverages-and-cardiometabolic-risk-in-epicnl-a-prospective-cohort-study/B7314F1198109712DE0F2E44D919A6A7">alcohol or sugary soft drinks</a> and make the relative benefits look very different. <h2>On balance</h2> Whether you want to eat your fruits and vegetables or drink them comes down to what works for you, how it fits into the context of your diet and your life. Smoothies and juices aren’t a silver bullet, and there is no evidence they work as a “cleanse” or <a href="https://theconversation.com/lemon-water-wont-detox-or-energise-you-but-it-may-affect-your-body-in-other-ways-180035">detox</a>. But, with society’s low levels of fruit and vegetable eating, having the option to access nutrients and bioactives in a cheap, easy and tasty way shouldn’t be discouraged either.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/205222/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/emma-beckett-22673">Emma Beckett</a>, Adjunct Senior Lecturer, Nutrition, Dietetics & Food Innovation - School of Health Sciences, <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/can-you-drink-your-fruit-and-vegetables-how-does-juice-compare-to-the-whole-food-205222">original article</a>.

Food & Wine

Walking can prevent low back pain, a new study shows

<a href="https://theconversation.com/profiles/tash-pocovi-1293184">Tash Pocovi</a>, <a href="https://theconversation.com/institutions/macquarie-university-1174">Macquarie University</a>; <a href="https://theconversation.com/profiles/christine-lin-346821">Christine Lin</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>; <a href="https://theconversation.com/profiles/mark-hancock-1463059">Mark Hancock</a>, <a href="https://theconversation.com/institutions/macquarie-university-1174">Macquarie University</a>; <a href="https://theconversation.com/profiles/petra-graham-892602">Petra Graham</a>, <a href="https://theconversation.com/institutions/macquarie-university-1174">Macquarie University</a>, and <a href="https://theconversation.com/profiles/simon-french-713564">Simon French</a>, <a href="https://theconversation.com/institutions/macquarie-university-1174">Macquarie University</a> Do you suffer from low back pain that recurs regularly? If you do, you’re not alone. Roughly <a href="https://pubmed.ncbi.nlm.nih.gov/31208917/">70% of people</a> who recover from an episode of low back pain will experience a new episode in the following year. The recurrent nature of low back pain is a major contributor to the <a href="https://www.thelancet.com/journals/lanrhe/article/PIIS2665-9913(23)00098-X/fulltext">enormous burden</a> low back pain places on individuals and the health-care system. In our new study, published today in <a href="https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(24)00755-4/fulltext">The Lancet</a>, we found that a program combining walking and education can effectively reduce the recurrence of low back pain. <h2>The WalkBack trial</h2> We randomly assigned 701 adults who had recently recovered from an episode of low back pain to receive an individualised walking program and education (intervention), or to a no treatment group (control). Participants in the intervention group were guided by physiotherapists across six sessions, over a six-month period. In the first, third and fifth sessions, the physiotherapist helped each participant to develop a personalised and progressive walking program that was realistic and tailored to their specific needs and preferences. The remaining sessions were short check-ins (typically less than 15 minutes) to monitor progress and troubleshoot any potential barriers to engagement with the walking program. Due to the COVID pandemic, most participants received the entire intervention via telehealth, using video consultations and phone calls. The program was designed to be manageable, with a target of five walks per week of roughly 30 minutes daily by the end of the six-month program. Participants were also encouraged to continue walking independently after the program. Importantly, the walking program was combined with education provided by the physiotherapists during the six sessions. This education aimed to give people a better understanding of pain, reduce fear associated with exercise and movement, and give people the confidence to self-manage any minor recurrences if they occurred. People in the control group received no preventative treatment or education. This reflects what <a href="https://www.sciencedirect.com/science/article/abs/pii/S2468781222001308?via%3Dihub">typically occurs</a> after people recover from an episode of low back pain and are discharged from care. <h2>What the results showed</h2> We monitored the participants monthly from the time they were enrolled in the study, for up to three years, to collect information about any new recurrences of low back pain they may have experienced. We also asked participants to report on any costs related to their back pain, including time off work and the use of health-care services. The intervention reduced the risk of a recurrence of low back pain that limited daily activity by 28%, while the recurrence of low back pain leading participants to seek care from a health professional decreased by 43%. Participants who received the intervention had a longer average period before they had a recurrence, with a median of 208 days pain-free, compared to 112 days in the control group. Overall, we also found this intervention to be cost-effective. The biggest savings came from less work absenteeism and less health service use (such as physiotherapy and massage) among the intervention group. This trial, like all studies, had some limitations to consider. Although we tried to recruit a wide sample, we found that most participants were female, aged between 43 and 66, and were generally well educated. This may limit the extent to which we can generalise our findings. Also, in this trial, we used physiotherapists who were up-skilled in health coaching. So we don’t know whether the intervention would achieve the same impact if it were to be delivered by other clinicians. <h2>Walking has multiple benefits</h2> We’ve all heard the saying that “prevention is better than a cure” – and it’s true. But this approach has been largely neglected when it comes to low back pain. Almost all <a href="https://www.sciencedirect.com/science/article/pii/S0140673618304896?via%3Dihub">previous studies</a> have focused on treating episodes of pain, not preventing future back pain. A limited number of <a href="https://pubmed.ncbi.nlm.nih.gov/26752509/">small studies</a> have shown that exercise and education can help prevent low back pain. However, most of these studies focused on exercises that are not accessible to everyone due to factors such as high cost, complexity, and the need for supervision from health-care or fitness professionals. On the other hand, walking is a free, accessible way to exercise, including for people in rural and remote areas with limited access to health care. Walking also delivers many other <a href="https://www.vichealth.vic.gov.au/sites/default/files/VH_Benefits-of-Walking-Summary2020.pdf">health benefits</a>, including better heart health, improved mood and sleep quality, and reduced risk of several chronic diseases. While walking is not everyone’s favourite form of exercise, the intervention was well-received by most people in our study. Participants <a href="https://pubmed.ncbi.nlm.nih.gov/37271689/">reported</a> that the additional general health benefits contributed to their ongoing motivation to continue the walking program independently. <h2>Why is walking helpful for low back pain?</h2> We don’t know exactly why walking is effective for preventing back pain, but <a href="https://www.e-jer.org/journal/view.php?number=2013600295">possible reasons</a> could include the combination of gentle movements, loading and strengthening of the spinal structures and muscles. It also could be related to relaxation and stress relief, and the release of “feel-good” endorphins, which <a href="https://my.clevelandclinic.org/health/body/23040-endorphins">block pain signals</a> between your body and brain – essentially turning down the dial on pain. It’s possible that other accessible and low-cost forms of exercise, such as swimming, may also be effective in preventing back pain, but surprisingly, <a href="https://pubmed.ncbi.nlm.nih.gov/34783263/">no studies</a> have investigated this. Preventing low back pain is not easy. But these findings give us hope that we are getting closer to a solution, one step at a time.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/231682/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/tash-pocovi-1293184">Tash Pocovi</a>, Postdoctoral research fellow, Department of Health Sciences, <a href="https://theconversation.com/institutions/macquarie-university-1174">Macquarie University</a>; <a href="https://theconversation.com/profiles/christine-lin-346821">Christine Lin</a>, Professor, Institute for Musculoskeletal Health, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>; <a href="https://theconversation.com/profiles/mark-hancock-1463059">Mark Hancock</a>, Professor of Physiotherapy, <a href="https://theconversation.com/institutions/macquarie-university-1174">Macquarie University</a>; <a href="https://theconversation.com/profiles/petra-graham-892602">Petra Graham</a>, Associate Professor, School of Mathematical and Physical Sciences, <a href="https://theconversation.com/institutions/macquarie-university-1174">Macquarie University</a>, and <a href="https://theconversation.com/profiles/simon-french-713564">Simon French</a>, Professor of Musculoskeletal Disorders, <a href="https://theconversation.com/institutions/macquarie-university-1174">Macquarie University</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/walking-can-prevent-low-back-pain-a-new-study-shows-231682">original article</a>.

Body

To-do list got you down? Understanding the psychology of goals can help tick things off – and keep you on track

<a href="https://theconversation.com/profiles/kim-m-caudwell-1258935">Kim M Caudwell</a>, <a href="https://theconversation.com/institutions/charles-darwin-university-1066">Charles Darwin University</a> It feels like we are living in busy times. According to the <a href="https://www.oecdbetterlifeindex.org/topics/work-life-balance/">OECD Better Life Index</a>, 12.5% of Australians report working at least 50 hours a week, higher than the OECD average. Many Australians are also <a href="https://www.abc.net.au/news/2023-08-03/multiple-job-holders-hit-record-high-abs/102679190">working more than one job to buffer against cost-of-living pressures</a>. Psychology has long been interested in our goals – our mental representations of desirable outcomes. Much of this research is on how we form, pursue and attain goals, plus how goals make us feel. Across studies, we see a consistent pattern of <a href="https://link.springer.com/article/10.1007/s10902-013-9493-0#Sec34">successful goal pursuit and wellbeing</a>. So, having time to work toward our goals is important. With this in mind, what is the best way to get things done – and how can we get better at achieving our goals, especially when we feel time poor? <h2>Make a list</h2> Most of us approach multiple goals with the age-old “to-do” list. First, you write down everything you need to do. Then you “check” or tick things off as you do them. One reason to-do lists are useful is because we are more likely to remember things we haven’t completed, rather than things we have. This is known as the <a href="https://www.youtube.com/watch?v=E-F1U4bV2m8">Zeigarnik effect</a>. While to-do lists are easy to write, they don’t always work. There are however <a href="https://hbr.org/2021/01/i-tried-4-to-do-list-methods-heres-what-worked">various approaches for to-do lists</a> that may improve their effectiveness. Another thing to consider is the wide range of apps, tools and platforms that can make tasks more fun and outsource mental load. Adding elements of game play like point scoring or competition – called “<a href="https://theconversation.com/how-gamification-could-revolutionise-creative-thinking-in-the-workplace-122852">gamification</a>” – can <a href="https://www.sciencedirect.com/science/article/pii/S0747563221002867">help people work toward goals in educational and work settings</a>. Similarly, app-based reminders can help people reach <a href="https://doi.org/10.1177/2047487320905717">physical rehabilitation goals and form good exercise habits</a>. <h2>Finding your why</h2> Researchers have focused a lot on the psychology of why people pursue goals – and how this affects their approach to tasks. For example, some people want to complete a university degree because they want to get a job. Others may be more interested in developing skills or knowledge. In both cases, there is a desired outcome – albeit with differing reasons. Our goals can be differentiated by who or what is driving them. Goals that feel like our own, and for which we experience a sense of intrinsic motivation, are known as “self-concordant”. These goals represent enduring personal interests, are aligned with values and are positively <a href="https://link.springer.com/article/10.1007/s12144-020-01156-7">linked to wellbeing</a>. <a href="https://link.springer.com/article/10.1007/s10648-006-9012-5">Goal orientation theory</a> offers a similar perspective. Using the same example, you may study so you score well on a test (a performance goal) or because you want to be sure you develop your knowledge (a mastery goal). Mastery goals tend to lead to <a href="https://link.springer.com/article/10.1007/s10869-010-9201-6">better results and self-regulation</a>. <h2>Juggling goals – 4 to-do tips</h2> So, what happens when we have multiple – perhaps even competing – goals, or goals that aren’t so enjoyable? We might want to finish writing a report or assignment, then read a few chapters of a textbook – but also go to the gym and binge a few episodes of our favourite TV show. In such scenarios, psychological science offers some insights into how we might stay task-focused, and on track to tick more items off our to-do list. 1. Beware the <a href="https://www.pwc.pl/en/articles/planning-fallacy-part-I-cognitive-traps.html">planning fallacy</a>. This happens when we underestimate the amount of resources (such as time) it will take to reach a goal. As writer and religious thinker William Penn put it: “Time is what we want most, but what we use worst”. Think through the all the steps and time required to complete your goal. 2. Monitor your progress. <a href="https://eprints.whiterose.ac.uk/91437/8/3_PDFsam_Does%20monitoring%20goal.pdf">Incorporating goal monitoring</a> into an activity can boost progress. And reviewing your estimations and expectations against your actual times and achievements can be used to calculate a “<a href="https://www.indeed.com/career-advice/career-development/estimating-time-for-tasks">fudge ratio</a>” to aid future planning. For instance, you could multiply your expected time on tasks by 1.5 to help buffer against the planning fallacy. 3. Focus on mastery. Self-concordant goals and tasks feel easier, and their underlying tasks may be <a href="https://journals.sagepub.com/doi/full/10.1177/0146167215575730">less subject to forgetting</a>. Tedious but necessary goals (such as doing the dishes or filling out forms) are less intrinsically motivating. This means <a href="https://www.emerald.com/insight/content/doi/10.1108/EBHRM-04-2014-0013/full/html#idm45933122746592">planning, reminders and support become more important to goal progress</a>. 4. Plan for derailments. People vary in their ability to plan and might forget to take a goal-directed action at an appropriate time (this could be one reason the <a href="https://www.sbs.com.au/news/article/the-streaming-services-winning-the-battle-for-attention-and-the-feature-australians-want/9crrpafgd">average Australian streams 27 hours of video each week</a>). <a href="https://www.tandfonline.com/doi/full/10.1080/10463283.2024.2334563">Implementation intentions</a> bring our attention back toward our goals by linking them to an environmental marker. These simple “if-then” plans are shown to <a href="https://cancercontrol.cancer.gov/brp/research/constructs/implementation-intentions#:%7E:text=Implementation%20intentions%20are%20formed%20for,might%20otherwise%20undermine%20goal%20striving.">help overcome issues with self-regulation</a>. Such a statement might be “if I see the ‘next episode’ icon appear, I will get up and turn off the TV so I can read a chapter of my textbook”. With time being frustratingly finite, it is inevitable we will run out of time to do all of the things on our to-do list. Finding an approach that works for us will take time and effort. But it’s probably a worthy goal in itself.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/230399/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/kim-m-caudwell-1258935">Kim M Caudwell</a>, Senior Lecturer - Psychology | Chair, Researchers in Behavioural Addictions, Alcohol and Drugs (BAAD), <a href="https://theconversation.com/institutions/charles-darwin-university-1066">Charles Darwin University</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/to-do-list-got-you-down-understanding-the-psychology-of-goals-can-help-tick-things-off-and-keep-you-on-track-230399">original article</a>.

Mind

Michael Mosley used science communication to advance health and wellbeing. We can learn a lot from his approach

<a href="https://theconversation.com/profiles/lauren-ball-14718">Lauren Ball</a>, <a href="https://theconversation.com/institutions/the-university-of-queensland-805">The University of Queensland</a> and <a href="https://theconversation.com/profiles/kirsten-adlard-684475">Kirsten Adlard</a>, <a href="https://theconversation.com/institutions/the-university-of-queensland-805">The University of Queensland</a> Overnight, we learned of the <a href="https://www.abc.net.au/news/2024-06-09/michael-mosley-body-found-greek-island-clare-bailey-mosley/103957382">tragic passing</a> of Michael Mosley, who went missing last week while on holiday on the Greek island of Symi. The British celebrity doctor was a household name in many countries, including Australia. Mosley was well known for his television shows, documentaries, books and columns on healthy eating, weight management, physical activity and sleep. During the days he was missing and once his death was confirmed, media outlets have acknowledged Mosley’s <a href="https://www.independent.co.uk/arts-entertainment/tv/features/michael-mosley-tv-doctor-death-b2558717.html">career achievements</a>. He is being celebrated for his connection to diverse public audiences and his unrelenting focus on science as the best guide to our daily habits. <h2>From medicine to the media</h2> Mosley was born in India <a href="https://www.bbc.com/news/articles/c8770jyz6vvo">in 1957</a> and was sent to England at age seven to attend boarding school. He later studied philosophy, politics and economics at the <a href="https://michaelmosley.co.uk/biog/">University of Oxford</a>. After a short stint in investment banking, Mosley opted to train in medicine at the Royal Free Hospital in London. Rather than forging a career in clinical practice, <a href="https://michaelmosley.co.uk/biog/">Mosley</a> started working at the BBC in 1985 as a trainee assistant producer. In the decades that followed, Mosley continued to work with the BBC as a producer and presenter. Mosley became a popular public figure by applying his medical training to journalism to examine a breadth of health and wellbeing topics. In 1995, following his documentary on <a href="https://genome.ch.bbc.co.uk/baf970949e3a46a992ae52420395a7c2">Helicobacter pylori</a>, a bacterium that causes ulcers in the stomach, the British Medical Association named him <a href="https://www.bbc.co.uk/programmes/profiles/2kczjZKp8sGSDxSxKYzxsyr/michael-mosley">medical journalist of the year</a>. His other television work on diet, weight management, exercise and sleep earned him <a href="https://www.emmys.com/bios/michael-mosley">Emmy</a>, <a href="https://www.imdb.com/name/nm0608839/awards/">BAFTA</a> (the British Academy of Film and Television Arts), and <a href="https://rts.org.uk/tags/michael-mosley">Royal Television Society</a> <a href="https://www.bbc.co.uk/programmes/profiles/2kczjZKp8sGSDxSxKYzxsyr/michael-mosley">award nominations</a>. Over the past decade, Mosley published <a href="https://www.amazon.com.au/Fast-Diet-Original-Revised-Research/dp/1780722370/ref=sr_1_6?dib=eyJ2IjoiMSJ9.75_akcxo8tanyLrD4CVMwd1lCTliHyckSLPU2W7K4HmdPqRlVqvMbKWKkJ6CPCsrFsAw4Vfw5SWOYkl_Y8ah4yNCSjQksdT3ByCSHhiycNB9AB5h6vVUqB99okxDDWPaXUCwD-CZMzHZDvAjuAotTN">several books</a> on <a href="https://www.fishpond.com.au/Books/Fastexercise-Michael-Mosley-Peta-Bee-With/9781476759982?utm_source=googleps&utm_medium=ps&utm_campaign=AU&gad_source=1&gclid=CjwKCAjw34qzBhBmEiwAOUQcF3wd7d1bj8KMFeEtKS6ZU7py5rRzjiycZhcsMbSEQ9lXhjEBcY4GRxoCwgIQAvD_BwE">exercise</a>, <a href="https://www.amazon.com.au/8-Week-Blood-Sugar-Diet-Recipe/dp/1925456595/ref=sr_1_7?dib=eyJ2IjoiMSJ9.75_akcxo8tanyLrD4CVMwd1lCTliHyckSLPU2W7K4HmdPqRlVqvMbKWKkJ6CPCsrFsAw4Vfw5SWOYkl_Y8ah4yNCSjQksdT3ByCSHhiycNB9AB5h6vVUqB99okxDDWPaXUCwD-CZMzHZDvAjuAotTNxxkW3">healthy eating</a>, <a href="https://www.amazon.com.au/Fast-800-Australian-New-Zealand/dp/B07MPRQWJP/ref=sr_1_8?dib=eyJ2IjoiMSJ9.75_akcxo8tanyLrD4CVMwd1lCTliHyckSLPU2W7K4HmdPqRlVqvMbKWKkJ6CPCsrFsAw4Vfw5SWOYkl_Y8ah4yNCSjQksdT3ByCSHhiycNB9AB5h6vVUqB99okxDDWPaXUCwD-CZMzHZDvAjuAotTNxxkW">intermittent fasting</a>, <a href="https://www.amazon.com.au/Weeks-Better-Sleep-life-changing-improved/dp/1761425927/ref=sr_1_1?dib=eyJ2IjoiMSJ9.75_akcxo8tanyLrD4CVMwd1lCTliHyckSLPU2W7K4HmdPqRlVqvMbKWKkJ6CPCsrFsAw4Vfw5SWOYkl_Y8ah4yNCSjQksdT3ByCSHhiycNB9AB5h6vVUqB99okxDDWPaXUCwD-CZMzHZDvAj">sleep</a> and <a href="https://www.amazon.com.au/Just-One-Thing-Changes-Transform/dp/B0BJVRP94X/ref=sr_1_9?dib=eyJ2IjoiMSJ9.75_akcxo8tanyLrD4CVMwd1lCTliHyckSLPU2W7K4HmdPqRlVqvMbKWKkJ6CPCsrFsAw4Vfw5SWOYkl_Y8ah4yNCSjQksdT3ByCSHhiycNB9AB5h6vVUqB99okxDDWPaXUCwD-CZMzHZDvAjuAotTNxxk">behaviour change</a>. He sold millions of copies of his books around the world, including at least <a href="https://www.simonandschuster.com.au/p/mosley-1mil-sales">one million</a> in Australia and New Zealand. Alongside his wife, Dr Clare Bailey Mosley, he recently embarked on a <a href="https://michaelmosley.co.uk/live/">live theatre show tour</a>, yet another vehicle to bring his key messages to audiences. <h2>A trusted voice</h2> Mosley became a trusted voice for health and wellbeing throughout his journalistic career. His television program <a href="https://www.bbc.co.uk/programmes/b04j9gny">Trust Me, I’m a Doctor</a> drew on his medical qualifications to discuss health and wellbeing credibly on a public platform. His medical training also inferred credibility in examining the scientific literature that underpins the topics he was communicating. At the same time, Mosley used simple terminology that captured the attention of diverse audiences. For many of Mosley’s outputs, he used himself as an example. For instance, in his <a href="https://www.bbc.co.uk/programmes/p09by3yy/episodes/downloads">podcast series</a> Just One Thing and <a href="https://www.amazon.com.au/Just-One-Thing-Changes-Transform/dp/B0BJVRP94X/ref=sr_1_9?dib=eyJ2IjoiMSJ9.75_akcxo8tanyLrD4CVMwd1lCTliHyckSLPU2W7K4HmdPqRlVqvMbKWKkJ6CPCsrFsAw4Vfw5SWOYkl_Y8ah4yNCSjQksdT3ByCSHhiycNB9AB5h6vVUqB99okxDDWPaXUCwD-CZMzHZDvAjuAotTNxxk">companion book</a>, Mosley self-tested a range of evidence-based behavioural habits (while also interviewing subject-matter experts), covering topics such as eating slowly, yoga, listening to music, cooking, gardening and drinking green tea. His focus on intermittent fasting and high-intensity training was fuelled by his <a href="https://www.abc.net.au/news/2024-06-08/how-dr-michael-mosley-popularised-intermittent-fasting/103952408">diagnosis of type 2 diabetes</a>, and his work on sleep health was based on his experience <a href="https://www.sbs.com.au/food/article/sleep-revolution-michael-mosley/okmv5o7qe">with chronic insomnia</a>. At the most extreme end of the spectrum, Mosley <a href="https://www.bbc.com/news/science-environment-25968755">infested himself with tapeworms</a> in the pursuit of exploring their effects on the human body. By using himself as a <a href="https://www.theguardian.com/media/article/2024/jun/09/michael-mosley-favourite-health-tip-slow-deep-breathing">human guinea pig</a>, he fostered a connection with his audience, showing the <a href="https://www.chronicle.com/article/the-personal-touch-using-anecdotes-to-hook-a-reader">power</a> of personal anecdotes. <h2>Some controversies along the way</h2> Despite his notable career achievements, Mosley received ongoing criticisms about his work due to differing opinions within the medical and scientific communities. One key concern was around his promotion of potentially risky diets such as intermittent fasting and other restrictive diets, including the 5:2 diet and low-carb diets. While <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9946909/">some evidence</a> supports intermittent fasting as a way to improve metabolic health and enable weight management, Mosley was criticised for not fully acknowledging the potential risks of these diets, such as a potential to lead to <a href="https://clindiabetesendo.biomedcentral.com/articles/10.1186/s40842-023-00152-7">disordered eating</a> habits. His promotion of low-carb diets also raised concerns that his work added to a diet-focused <a href="https://www.independent.co.uk/life-style/health-and-families/lose-a-stone-in-21-days-channel-4-criticism-eating-disorder-food-relationship-beat-a9656531.html">culture war</a>, ultimately to the detriment of many people’s relationship with food and their bodies. More broadly, in his efforts to make scientific concepts simple and accessible to the general public, Mosley was sometimes criticised for overgeneralising science. The concern was that he didn’t properly discuss the nuance and tension inherent in scientific evidence, thereby providing an incomplete synthesis of the evidence. For example, Mosley conceptualised the <a href="https://thebloodsugardiet.com">blood sugar diet</a> (a low-carbohydrate Mediterranean-style diet), which was <a href="https://www.bbc.com/news/health-68452019">criticised</a> for lacking a strong grounding in scientific evidence. Similarly, <a href="https://www.thetimes.com/life-style/health-fitness/article/smoke-and-mirrors-the-truth-about-vaping-nmpf3przr">associating his name with e-cigarettes</a> may have drawn unhelpful attention to the topic, irrespective of the underlying details. <h2>What can we learn from Mosley?</h2> Overall, Mosley has been objectively successful in communicating scientific concepts to large, engaged audiences. Mosley showed us that people want to consume scientific information, whether through the news media, social media, podcasts or books. His passion and persistence in using science to promote health and wellbeing have likely supported public health efforts across the globe.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/231934/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/lauren-ball-14718">Lauren Ball</a>, Professor of Community Health and Wellbeing, <a href="https://theconversation.com/institutions/the-university-of-queensland-805">The University of Queensland</a> and <a href="https://theconversation.com/profiles/kirsten-adlard-684475">Kirsten Adlard</a>, Supervisor of Engagement, Communication, and Outreach, Centre for Community Health and Wellbeing, <a href="https://theconversation.com/institutions/the-university-of-queensland-805">The University of Queensland</a> Image credits: Ken McKay/ITV/Shutterstock Editorial This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/michael-mosley-used-science-communication-to-advance-health-and-wellbeing-we-can-learn-a-lot-from-his-approach-231934">original article</a>.

Caring

Why it’s still a scientific mystery how some can live past 100 – and how to crack it

<a href="https://theconversation.com/profiles/richard-faragher-224976">Richard Faragher</a>, <a href="https://theconversation.com/institutions/university-of-brighton-942">University of Brighton</a> and <a href="https://theconversation.com/profiles/nir-barzilai-1293752">Nir Barzilai</a>, <a href="https://theconversation.com/institutions/albert-einstein-college-of-medicine-3638">Albert Einstein College of Medicine</a> A 35-year-old man <a href="https://pubmed.ncbi.nlm.nih.gov/18544745/">only has a 1.5% chance of dying in the next ten years</a>. But the same man at 75 has a 45% chance of dying before he reaches 85. Clearly, ageing is bad for our health. On the bright side, we have made unprecedented progress in understanding the fundamental mechanisms that control ageing and late-life disease. A few tightly linked biological processes, sometimes called the <a href="https://pubmed.ncbi.nlm.nih.gov/23746838/">“hallmarks of ageing”</a>, including our supply of stem cells and communication between cells, act to keep us healthy in the early part of our lives – with <a href="https://theconversation.com/the-secret-to-staying-young-scientists-boost-lifespan-of-mice-by-deleting-defective-cells-54068">problems arising as these start to fail</a>. <a href="https://pubmed.ncbi.nlm.nih.gov/34699859/">Clinical trials are ongoing</a> to see if targeting some of these hallmarks can improve <a href="https://pubmed.ncbi.nlm.nih.gov/31542391/">diabetic kidney disease</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/29997249/">aspects of</a> <a href="https://pubmed.ncbi.nlm.nih.gov/33977284/">immune function</a> and age-related <a href="https://pubmed.ncbi.nlm.nih.gov/30616998/">scarring of the lungs</a> among others. So far, so good. Unfortunately, big, unanswered questions remain in the biology of ageing. To evaluate what these are and how to address them, the <a href="https://www.afar.org/">American Federation For Aging Research</a>, a charity, recently convened a series of <a href="https://www.afar.org/imported/AFAR_GeroFuturesThinkTankReport_November2021.pdf">meetings for leading scientists and doctors</a>. The experts agreed that understanding what is special about the biology of humans who survive more than a century is now a key challenge. These centenarians <a href="https://www.statista.com/chart/18826/number-of-hundred-year-olds-centenarians-worldwide/">comprise less than 0.02% of the UK population</a> but have exceeded the life expectancy of their peers by almost 50 years (babies born in the 1920s typically had a life expectancy of less than 55). How are they doing it? We know that centenarians live so long because they are unusually healthy. They remain in good health for about 30 years longer than most normal people and when they finally fall ill, they are only sick for a very short time. This <a href="https://pubmed.ncbi.nlm.nih.gov/27377170/">“compression of morbidity”</a> is clearly good for them, but also benefits society as a whole. In the US, the medical care costs for a centenarian in their last two years of life <a href="https://www.cdc.gov/nchs/data/series/sr_10/sr10_198.pdf">are about a third of those of someone who dies in their seventies</a> (a time when most centenarians don’t even need to see a doctor). The children of centenarians are also much healthier than average, indicating they are inheriting something beneficial from their parents. But is this genetic or environmental? <h2>Centenarians aren’t always health conscious</h2> Are centenarians the poster children for a healthy lifestyle? For the general population, watching your weight, not smoking, drinking moderately and eating at least five servings of fruit and vegetables a day can <a href="https://pubmed.ncbi.nlm.nih.gov/27296932/">increase life expectancy by up to 14 years</a> compared with someone who does none of these things. This difference <a href="https://publications.parliament.uk/pa/ld5801/ldselect/ldsctech/183/18305.htm#_idTextAnchor012">exceeds that seen</a> between the least and most deprived areas in the UK, so intuitively it would be expected to play a role in surviving for a century. But astonishingly, this needn’t be the case. <a href="https://pubmed.ncbi.nlm.nih.gov/21812767/">One study</a> found that up to 60% of Ashkenazi Jewish centenarians have smoked heavily most of their lives, half have been obese for the same period of time, less than half do even moderate exercise and under 3% are vegetarians. The children of centenarians appear no more health conscious than the general population either. Compared to peers with the same food consumption, wealth and body weight, however, <a href="https://pubmed.ncbi.nlm.nih.gov/29050682/">they have half the prevalence of cardiovascular disease</a>. There is something innately exceptional about these people. <h2>The big secret</h2> Could it be down to rare genetics? If so, then there are two ways in which this could work. Centenarians might carry unusual genetic variants that extend lifespan, or instead they might lack common ones that cause late-life disease and impairment. Several studies, including our own work, <a href="https://pubmed.ncbi.nlm.nih.gov/32860726/">have shown</a> that centenarians have just as many bad genetic variants as the general population. Some even carry two copies of the largest known common risk gene for Alzheimer’s disease (APOE4), but still don’t get the illness. So a plausible working hypothesis is that centenarians carry rare, beneficial genetic variations rather than a lack of disadvantageous ones. And the best available data is consistent with this. Over 60% of centenarians have genetic changes that alter the genes which regulate growth in early life. This implies that these remarkable people are human examples of a type of lifespan extension observed in other species. Most people know that <a href="https://pubmed.ncbi.nlm.nih.gov/28803893/">small dogs tend to live longer than big ones</a> but fewer are aware that this is a general phenomenon across the animal kingdom. <a href="https://pubmed.ncbi.nlm.nih.gov/26857482/">Ponies can live longer than horses</a> and many strains of laboratory mice with dwarfing mutations <a href="https://pubmed.ncbi.nlm.nih.gov/29653683/">live longer than their full-sized counterparts</a>. One potential cause of this is reduced levels of a growth hormone called IGF-1 – although human centenarians <a href="https://pubmed.ncbi.nlm.nih.gov/28630896/">are not necessarily shorter than the rest of us</a>. Obviously, growth hormone is necessary early on in life, but there is increasing evidence that high levels of IGF-1 in mid to late life <a href="https://pubmed.ncbi.nlm.nih.gov/18316725/">are associated with increased late-life illness</a>. The detailed mechanisms underlying this remain an open question, but even among centenarians, women with the lowest levels of growth hormone <a href="https://pubmed.ncbi.nlm.nih.gov/24618355/">live longer than those with the highest</a>. They also have better cognitive and muscle function. That doesn’t solve the problem, though. Centenarians are also different from the rest of us in other ways. For example, they tend to have good cholesterol levels – hinting there may several reasons for their longevity. Ultimately, centenarians are “natural experiments” who show us that it is possible to live in excellent health even if you have been dealt a risky genetic hand and chose to pay no attention to health messages – but only if you carry rare, poorly understood mutations. Understanding exactly how these work should allow scientists to develop new drugs or other interventions that target biological processes in the right tissues at the right time. If these become a reality perhaps more of us than we think will see the next century in. But, until then, don’t take healthy lifestyle tips from centenarians.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/172020/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/richard-faragher-224976">Richard Faragher</a>, Professor of Biogerontology, <a href="https://theconversation.com/institutions/university-of-brighton-942">University of Brighton</a> and <a href="https://theconversation.com/profiles/nir-barzilai-1293752">Nir Barzilai</a>, Professor of Medicine and Genetics, <a href="https://theconversation.com/institutions/albert-einstein-college-of-medicine-3638">Albert Einstein College of Medicine</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/why-its-still-a-scientific-mystery-how-some-can-live-past-100-and-how-to-crack-it-172020">original article</a>.

Retirement Life

Drinking lots of water may seem like a healthy habit – here’s when and why it can prove toxic

<div class="theconversation-article-body"><a href="https://theconversation.com/profiles/adam-taylor-283950">Adam Taylor</a>, <a href="https://theconversation.com/institutions/lancaster-university-1176">Lancaster University</a> In late 2023, actor <a href="https://www.glamour.com/story/brooke-shields-recently-experienced-a-full-blown-seizure-and-bradley-cooper-came-running?utm_source=instagram&utm_medium=social&utm_content=instagram-bio-link&client_service_id=31196&client_service_name=glamour&service_user_id=1.78e+16&supported_service_name=instagram_publishing&utm_brand=glm&utm_social_type=owned">Brooke Shields</a> suffered a seizure after “flooding” her body with water. Shields became dangerously low on sodium while preparing for her show by drinking loads of water. “I flooded my system and I drowned myself,” she would later explain. “And if you don’t have enough sodium in your blood or urine or your body, you can have a seizure.” Shields said she found herself walking around outside for “no reason at all”, wondering: “Why am I out here?” <blockquote> Then I walk into the restaurant and go to the sommelier who had just taken an hour to watch my run through. That’s when everything went black. Then my hands drop to my side and I go headfirst into the wall. </blockquote> Shields added that she was “frothing at the mouth, totally blue, trying to swallow my tongue”. Like Shields, many people may be unaware of the dangers of drinking excessive amounts of water – especially because hydration is so often associated with health benefits. Models and celebrities <a href="https://www.teenvogue.com/story/drinking-water-flawless-skin#:%7E:text=If%20you're%20reading%20a,long%20hours%20at%20a%20time.">often advocate</a> drinking lots of water to help maintain clear, smooth skin. Some <a href="https://www.independent.co.uk/life-style/75-hard-challenge-before-and-after-tiktok-b2382706.html">social media influencers</a> have promoted drinking a gallon of water daily for weight loss. But excessive water consumption can cause <a href="https://patient.info/treatment-medication/hyponatraemia-leaflet">hyponatraemia</a> – a potentially fatal condition of low sodium in the blood. <h2>Worried about hydration levels? Check your urine</h2> The body strictly regulates its water content to maintain the optimum level of <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2323003/">total body water</a> and “osmolality” – the concentration of dissolved particles in your blood. Osmolality increases when you are dehydrated and decreases when you have too much fluid in your blood. Osmolality is monitored by <a href="https://pubmed.ncbi.nlm.nih.gov/9074779/">osmoreceptors</a> that regulate sodium and water balance in the hypothalamus – the part of the brain that controls numerous hormones. These osmoreceptors signal the release of antidiuretic hormone (ADH), which acts on blood vessels and the kidneys to control the amount of water and salt in the body. <figure><iframe src="https://www.youtube.com/embed/Qghf7Y9ILAs?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> In healthy people, the body releases ADH when osmolality becomes high. ADH tells the kidneys to reabsorb water, which makes urine more concentrated. The reabsorbed water dilutes the blood, bringing osmolality back to normal levels. Low blood osmolality suppresses the release of ADH, reducing how much water the kidneys reabsorb. This dilutes your urine, which the body then passes to rid itself of the excess water. Healthy urine should be clear and odourless. Darker, yellower urine with a noticeable odour can indicate dehydration – although medications and certain foods, including <a href="https://pubmed.ncbi.nlm.nih.gov/3433805/">asparagus</a>, can affect urine colour and odour, too. <h2>How much is too much?</h2> Adults should consume <a href="https://www.nhs.uk/live-well/eat-well/food-guidelines-and-food-labels/water-drinks-nutrition/">two-to-three litres per day</a>, of which around 20% comes from food. However, we can lose <a href="https://www.ncbi.nlm.nih.gov/books/NBK236237/">up to ten litres</a> of water through perspiration – so sweating during exercise or in hot weather increases the amount of water we need to replace through drinking. Some medical conditions can cause overhydration. Approximately <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3616165/">one in five</a> schizophrenia patients drink water compulsively, a dangerous condition known as <a href="https://www.theguardian.com/uk-news/2024/apr/15/woman-died-mental-hospital-excessive-water-drinking-inquest#:%7E:text=Woman%20died%20at%20mental%20hospital%20after%20excessive%20water%20drinking%2C%20inquest%20told,-Parents%20of%20Lillian&text=A%20woman%20collapsed%20and%20died,water%2C%20an%20inquest%20has%20heard.">psychogenic polydipsia</a>. One long-term study found that patients with psychogenic polydipsia have a <a href="https://pubmed.ncbi.nlm.nih.gov/18984069/">“74% greater chance</a> of dying before a non-polydipsic patient”. In <a href="https://pubmed.ncbi.nlm.nih.gov/22306188/">some cases</a>, people with <a href="https://psychiatry-psychopharmacology.com/en/childhood-and-adolescence-disorders-psychogenic-polydipsia-in-an-adolescent-with-eating-disorder-a-case-report-132438">anorexia nervosa</a> can also suffer from compulsive water drinking. <figure><iframe src="https://www.youtube.com/embed/ReQew2zcN7c?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> For those suffering from polydipsia, treatment is focused on medication to reduce the <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10675986/">urge to drink</a>, as well as <a href="https://www.uptodate.com/contents/overview-of-the-treatment-of-hyponatremia-in-adults/print">increasing sodium levels</a>. This should be done gradually to avoid causing <a href="https://www.ncbi.nlm.nih.gov/books/NBK562251/">myelinolysis</a> – <a href="https://www.ncbi.nlm.nih.gov/books/NBK551697/">neurological damage</a> caused by rapid changes in sodium levels in nerve cells. In rare but often highly publicised cases such as that of <a href="http://news.bbc.co.uk/onthisday/hi/dates/stories/november/13/newsid_2516000/2516593.stm">Leah Betts</a> in 1995, some users of the illegal drug MDMA (also known as <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6119400/">ecstasy)</a> have <a href="https://pubmed.ncbi.nlm.nih.gov/11265566/">died</a> after drinking copious amounts of water to rehydrate after dancing and sweating. The drug <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5008716/">increases body temperature</a>, so users drink water to avoid overheating. Unfortunately, MDMA also triggers the <a href="https://pubmed.ncbi.nlm.nih.gov/12105115/">unnecessary release of ADH</a>, causing water retention. The body becomes unable to rid itself of excess water, which affects its electrolyte levels – causing cells to swell with water. Symptoms of water intoxication start with nausea, vomiting, blurred vision and dizziness. As the condition progresses, sufferers can often display symptoms of <a href="https://www.nhs.uk/mental-health/conditions/psychosis/symptoms/">psychosis</a>, such as inappropriate behaviour, confusion, delusions, disorientation and hallucinations. These symptoms are caused by <a href="https://www.ncbi.nlm.nih.gov/books/NBK470386/">hyponatraemia</a>, where sodium levels are diluted or depleted in blood and the subsequent imbalance of electrolytes affects the nervous system. Water begins to move into the brain causing <a href="https://www.sciencedirect.com/science/article/pii/S1572349604000149">a cerebral oedema</a> – brain swelling because of excessive fluid buildup, which is usually fatal if not treated. A healthy body will tell you when it needs water. If you’re thirsty and your urine is dark with a noticeable odour, then you need to drink more. If you aren’t thirsty and your urine is clear or the colour of light straw, then you’re already doing a good job of hydrating yourself.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/228715/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/adam-taylor-283950">Adam Taylor</a>, Professor and Director of the Clinical Anatomy Learning Centre, <a href="https://theconversation.com/institutions/lancaster-university-1176">Lancaster University</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/drinking-lots-of-water-may-seem-like-a-healthy-habit-heres-when-and-why-it-can-prove-toxic-228715">original article</a>. </div>

Body

Cost of living: if you can’t afford as much fresh produce, are canned veggies or frozen fruit just as good?

<a href="https://theconversation.com/profiles/evangeline-mantzioris-153250">Evangeline Mantzioris</a>, <a href="https://theconversation.com/institutions/university-of-south-australia-1180">University of South Australia</a> The cost of living crisis is affecting how we spend our money. For many people, this means tightening the budget on the weekly supermarket shop. One victim may be fresh fruit and vegetables. Data from the <a href="https://www.abs.gov.au/media-centre/media-releases/australians-consuming-fewer-vegetables-fruit-and-less-milk#:%7E:text=Paul%20Atyeo%2C%20ABS%20health%20statistics,278%20to%20267%20to%20grams.%E2%80%9D">Australian Bureau of Statistics</a> (ABS) suggests Australians were consuming fewer fruit and vegetables in 2022–23 than the year before. The cost of living is likely compounding a problem that exists already – on the whole, Australians don’t eat enough fruit and vegetables. <a href="https://www.eatforhealth.gov.au/guidelines/australian-guide-healthy-eating">Australian dietary guidelines</a> recommend people aged nine and older should consume <a href="https://www.eatforhealth.gov.au/food-essentials/five-food-groups/fruit">two</a> serves of fruit and <a href="https://www.eatforhealth.gov.au/food-essentials/five-food-groups/vegetables-and-legumes-beans">five</a> serves of vegetables each day for optimal health. But in 2022 the <a href="https://www.abs.gov.au/statistics/health/health-conditions-and-risks/dietary-behaviour/latest-release">ABS reported</a> only 4% of Australians met the recommendations for both fruit and vegetable consumption. Fruit and vegetables are crucial for a healthy, balanced diet, providing a range of <a href="https://theconversation.com/were-told-to-eat-a-rainbow-of-fruit-and-vegetables-heres-what-each-colour-does-in-our-body-191337">vitamins</a> and minerals as well as fibre. If you can’t afford as much fresh produce at the moment, there are other ways to ensure you still get the benefits of these food groups. You might even be able to increase your intake of fruit and vegetables. <h2>Frozen</h2> Fresh produce is often touted as being the most nutritious (think of the old adage “fresh is best”). But this is not necessarily true. Nutrients can decline in transit from the paddock to your kitchen, and while the produce is stored in your fridge. Frozen vegetables may actually be higher in some nutrients such as <a href="https://pubmed.ncbi.nlm.nih.gov/25526594/">vitamin C and E</a> as they are snap frozen very close to the time of harvest. Variations in transport and storage can affect this slightly. <a href="https://pubs.acs.org/doi/10.1021/jf504890k">Minerals</a> such as calcium, iron and magnesium stay at similar levels in frozen produce compared to fresh. Another advantage to frozen vegetables and fruit is the potential to reduce food waste, as you can use only what you need at the time. As well as buying frozen fruit and vegetables from the supermarket, you can freeze produce yourself at home if you have an oversupply from the garden, or when produce may be cheaper. A <a href="https://www.growveg.com.au/guides/freezing-vegetables-and-herbs-the-garden-foodie-version/">quick blanching</a> prior to freezing can improve the safety and quality of the produce. This is when food is briefly submerged in boiling water or steamed for a short time. Frozen vegetables won’t be suitable for salads but can be eaten roasted or steamed and used for soups, stews, casseroles, curries, pies and quiches. Frozen fruits can be added to breakfast dishes (with cereal or youghurt) or used in cooking for fruit pies and cakes, for example. <h2>Canned</h2> Canned vegetables and fruit similarly often offer a cheaper alternative to fresh produce. They’re also very convenient to have on hand. The <a href="https://nchfp.uga.edu/how/can#gsc.tab=0">canning process</a> is the preservation technique, so there’s no need to add any additional preservatives, including salt. Due to the cooking process, levels of heat-sensitive nutrients <a href="https://onlinelibrary.wiley.com/doi/full/10.1002/jsfa.2825">such as vitamin C</a> will decline a little compared to fresh produce. When you’re using canned vegetables in a hot dish, you can add them later in the cooking process to reduce the amount of nutrient loss. To minimise waste, you can freeze the portion you don’t need. <h2>Fermented</h2> <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6723656/">Fermentation</a> has recently come into fashion, but it’s actually one of the oldest food processing and preservation techniques. Fermentation largely retains the vitamins and minerals in fresh vegetables. But fermentation may also enhance the food’s nutritional profile by creating new nutrients and allowing existing ones to be <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9352655/">absorbed more easily</a>. Further, fermented foods contain probiotics, which are beneficial for our <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10051273/">gut microbiome</a>. <h2>5 other tips to get your fresh fix</h2> Although alternatives to fresh such as canned or frozen fruit and vegetables are good substitutes, if you’re looking to get more fresh produce into your diet on a tight budget, here are some things you can do. 1. Buy in season Based on supply and demand principles, buying local seasonal vegetables and fruit will always be cheaper than those that are imported out of season from other countries. 2. Don’t shun the ugly fruit and vegetables Most supermarkets now sell “ugly” fruit and vegetables, that are not physically perfect in some way. This does not affect the levels of nutrients in them at all, or their taste. 3. Reduce waste On average, an Australian household throws out <a href="https://www.ozharvest.org/food-waste-facts/">A$2,000–$2,500</a> worth of food every year. Fruit, vegetables and bagged salad are the <a href="https://www.ozharvest.org/food-waste-facts/">three of the top five foods</a> thrown out in our homes. So properly managing fresh produce could help you save money (and benefit <a href="https://endfoodwaste.com.au/why-end-food-waste/">the environment</a>). To minimise waste, plan your meals and shopping ahead of time. And if you don’t think you’re going to get to eat the fruit and vegetables you have before they go off, freeze them. 4. Swap and share There are many websites and apps which offer the opportunity to swap or even pick up free fresh produce if people have more than they need. Some <a href="https://www.charlessturt.sa.gov.au/environment/sustainable-lifestyles/community-fruit-and-vege-swaps">local councils are also encouraging</a> swaps on their websites, so dig around and see what you can find in your local area. 5. Gardening Regardless of how small your garden is you can always <a href="https://www.gardeningaustraliamag.com.au/best-vegies-grow-pots/">plant produce in pots</a>. Herbs, rocket, cherry tomatoes, chillies and strawberries all grow well. In the long run, these will offset some of your cost on fresh produce. Plus, when you have put the effort in to grow your own produce, <a href="https://mdpi-res.com/sustainability/sustainability-07-02695/article_deploy/sustainability-07-02695.pdf?version=1425549154">you are less likely to waste it</a>.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/229724/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/evangeline-mantzioris-153250">Evangeline Mantzioris</a>, Program Director of Nutrition and Food Sciences, Accredited Practising Dietitian, <a href="https://theconversation.com/institutions/university-of-south-australia-1180">University of South Australia</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/cost-of-living-if-you-cant-afford-as-much-fresh-produce-are-canned-veggies-or-frozen-fruit-just-as-good-229724">original article</a>.

Food & Wine

Exercise, therapy and diet can all improve life during cancer treatment and boost survival. Here’s how

<div class="theconversation-article-body"> <a href="https://theconversation.com/profiles/rob-newton-12124">Rob Newton</a>, <a href="https://theconversation.com/institutions/edith-cowan-university-720">Edith Cowan University</a> With so many high-profile people <a href="https://www.theguardian.com/uk-news/2024/mar/23/cancer-charities-princess-of-wales-speaking-about-diagnosis">diagnosed with cancer</a> we are confronted with the stark reality the disease can strike any of us at any time. There are also reports certain cancers are <a href="https://www.cancer.org/research/acs-research-news/facts-and-figures-2024.html">increasing among younger people</a> in their 30s and 40s. On the positive side, medical treatments for cancer are advancing very rapidly. Survival rates are <a href="https://acsjournals.onlinelibrary.wiley.com/doi/10.3322/caac.21763">improving greatly</a> and some cancers are now being managed more as <a href="https://www.cancer.org/cancer/survivorship/long-term-health-concerns/cancer-as-a-chronic-illness.html">long-term chronic diseases</a> rather than illnesses that will rapidly claim a patient’s life. The <a href="https://www.cancer.org/cancer/managing-cancer/treatment-types.html">mainstays of cancer treatment</a> remain surgery, chemotherapy, radiation therapy, immunotherapy, targeted therapy and hormone therapy. But there are other treatments and strategies – “adjunct” or supportive cancer care – that can have a powerful impact on a patient’s quality of life, survival and experience during cancer treatment. <h2>Keep moving if you can</h2> Physical exercise is now recognised as a <a href="https://www.exerciseismedicine.org/">medicine</a>. It can be tailored to the patient and their health issues to stimulate the body and build an internal environment where <a href="https://wchh.onlinelibrary.wiley.com/doi/full/10.1002/tre.884">cancer is less likely to flourish</a>. It does this in a number of ways. Exercise provides a strong stimulus to our immune system, increasing the number of cancer-fighting immune cells in our blood circulation and infusing these into the tumour tissue <a href="https://jitc.bmj.com/content/9/7/e001872">to identify and kill cancer cells</a>. Our skeletal muscles (those attached to bone for movement) release signalling molecules called <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7288608/">myokines</a>. The larger the muscle mass, the more myokines are released – even when a person is at rest. However, during and immediately after bouts of exercise, a further surge of myokines is secreted into the bloodstream. Myokines attach to immune cells, stimulating them to be better “hunter-killers”. Myokines also signal directly to cancer cells <a href="https://www.sciencedirect.com/science/article/pii/S2095254623001175">slowing their growth and causing cell death</a>. Exercise can also greatly <a href="https://wchh.onlinelibrary.wiley.com/doi/full/10.1002/tre.884">reduce the side effects of cancer treatment</a> such as fatigue, muscle and bone loss, and fat gain. And it reduces the risk of <a href="https://doi.org/10.2337/diacare.27.7.1812">developing other chronic diseases</a> such as heart disease and type 2 diabetes. Exercise can maintain or improve quality of life and mental health <a href="https://www.hindawi.com/journals/tbj/2022/9921575/">for patients with cancer</a>. Emerging research evidence indicates exercise might increase the effectiveness of mainstream treatments such as <a href="https://aacrjournals.org/cancerres/article/81/19/4889/670308/Effects-of-Exercise-on-Cancer-Treatment-Efficacy-A">chemotherapy</a> and <a href="https://www.nature.com/articles/s41391-020-0245-z">radiation therapy</a>. Exercise is certainly essential for preparing the patient for any surgery to increase cardio-respiratory fitness, reduce systemic inflammation, and increase muscle mass, strength and physical function, and then <a href="https://www.jsams.org/article/S1440-2440(18)31270-2/fulltext">rehabilitating them after surgery</a>. These mechanisms explain why cancer patients who are physically active have much <a href="https://journals.lww.com/acsm-msse/fulltext/2019/06000/physical_activity_in_cancer_prevention_and.20.aspx">better survival outcomes</a> with the relative risk of death from cancer <a href="https://journals.lww.com/acsm-msse/fulltext/2019/06000/physical_activity_in_cancer_prevention_and.20.aspx">reduced by as much as 40–50%</a>. <h2>Mental health helps</h2> The second “tool” which has a major role in cancer management is <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6016045/">psycho-oncology</a>. It involves the psychological, social, behavioural and emotional aspects of cancer for not only the patient but also their carers and family. The aim is to maintain or improve quality of life and mental health aspects such as emotional distress, anxiety, depression, sexual health, coping strategies, personal identity and relationships. Supporting quality of life and happiness is important on their own, but these barometers <a href="https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2024.1349880/full">can also impact</a> a patient’s physical health, response to exercise medicine, resilience to disease and to treatments. If a patient is highly distressed or anxious, their body can enter a flight or fight response. This creates an internal environment that is actually supportive of cancer progression <a href="https://www.cancer.gov/about-cancer/coping/feelings/stress-fact-sheet">through hormonal and inflammatory mechanisms</a>. So it’s essential their mental health is supported. <h2>Putting the good things in: diet</h2> A third therapy in the supportive cancer care toolbox is diet. A healthy diet <a href="https://www.cancer.org/cancer/survivorship/coping/nutrition/benefits.html">can support the body</a> to fight cancer and help it tolerate and recover from medical or surgical treatments. Inflammation provides a more fertile environment <a href="https://www.cancer.gov/news-events/cancer-currents-blog/2022/reducing-inflammation-to-treat-cancer">for cancer cells</a>. If a patient is overweight with excessive fat tissue then a diet to reduce fat which is also anti-inflammatory can be very helpful. This <a href="https://www.frontiersin.org/articles/10.3389/fnut.2021.709435/full">generally means</a> avoiding processed foods and eating predominantly fresh food, locally sourced and mostly plant based. Muscle loss is <a href="https://onlinelibrary.wiley.com/doi/10.1002/rco2.56">a side effect of all cancer treatments</a>. Resistance training exercise can help but people may need protein supplements or diet changes to make sure they get enough protein to build muscle. Older age and cancer treatments may reduce both the intake of protein and compromise absorption so <a href="https://www.sciencedirect.com/science/article/pii/S0261561421005422">supplementation may be indicated</a>. Depending on the cancer and treatment, some patients may require highly specialised diet therapy. Some cancers such as pancreatic, stomach, esophageal, and lung cancer can cause rapid and uncontrolled drops in body weight. This is called <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8233663/">cachexia and needs careful management</a>. Other cancers and treatments such as hormone therapy can cause rapid weight gain. This also needs careful monitoring and guidance so that, when a patient is clear of cancer, they are not left with higher risks of other health problems such as cardiovascular disease and metabolic syndrome (a cluster of conditions that boost your risk of heart disease, stroke and type 2 diabetes). <h2>Working as a team</h2> These are three of the most powerful tools in the supportive care toolbox for people with cancer. None of them are “cures” for cancer, alone or together. But they can work in tandem with medical treatments to greatly improve outcomes for patients. If you or someone you care about has cancer, national and state cancer councils and cancer-specific organisations can provide support. For exercise medicine support it is best to consult with an <a href="https://www.essa.org.au/Public/Public/Consumer_Information/What_is_an_Accredited_Exercise_Physiologist_.aspx">accredited exercise physiologist</a>, for diet therapy an <a href="https://dietitiansaustralia.org.au/working-dietetics/standards-and-scope/role-accredited-practising-dietitian">accredited practising dietitian</a> and mental health support with a <a href="https://psychology.org.au/psychology/about-psychology/what-is-psychology">registered psychologist</a>. Some of these services are supported through Medicare on referral from a general practitioner. <hr /> For free and confidential cancer support call the <a href="https://www.cancer.org.au/support-and-services/cancer-council-13-11-20">Cancer Council</a> on 13 11 20.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/226720/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/rob-newton-12124">Rob Newton</a>, Professor of Exercise Medicine, <a href="https://theconversation.com/institutions/edith-cowan-university-720">Edith Cowan University</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/exercise-therapy-and-diet-can-all-improve-life-during-cancer-treatment-and-boost-survival-heres-how-226720">original article</a>. </div>

Caring

Menopause can bring increased cholesterol levels and other heart risks. Here’s why and what to do about it

<a href="https://theconversation.com/profiles/treasure-mcguire-135225">Treasure McGuire</a>, <a href="https://theconversation.com/institutions/the-university-of-queensland-805">The University of Queensland</a> Menopause is a natural biological process that marks the end of a woman’s reproductive years, typically between 45 and 55. As women approach or experience menopause, common “change of life” <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9244939/">concerns</a> include hot flushes, sweats and mood swings, brain fog and fatigue. But many women may not be aware of the <a href="https://pubmed.ncbi.nlm.nih.gov/32705886/">long-term effects</a> of menopause on the heart and blood vessels that make up the cardiovascular system. Heart disease accounts for <a href="http://world-heart-federation.org/what-we-do/women-cvd/">35% of deaths</a> in women each year – more than all cancers combined. What should women – and their doctors – know about these risks? <h2>Hormones protect hearts – until they don’t</h2> As early as 1976, the <a href="https://pubmed.ncbi.nlm.nih.gov/970770/">Framingham Heart Study</a> reported more than twice the rates of cardiovascular events in postmenopausal than pre-menopausal women of the same age. Early menopause (younger than age 40) also <a href="https://pubmed.ncbi.nlm.nih.gov/25331207/">increases heart risk</a>. Before menopause, women tend to be protected by their circulating hormones: oestrogen, to a lesser extent progesterone and low levels of testosterone. These sex hormones help to relax and dilate blood vessels, reduce inflammation and <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10503403/">improve lipid (cholesterol) levels</a>. From the mid-40s, a decline in these hormone levels can <a href="https://pubmed.ncbi.nlm.nih.gov/10362825/">contribute to unfavourable changes</a> in cholesterol levels, blood pressure and weight gain – all risk factors for heart disease. <h2>4 ways hormone changes impact heart risk</h2> 1. Dyslipidaemia– Menopause often involves <a href="https://pubmed.ncbi.nlm.nih.gov/38002671/">atherogenic changes</a> – an unhealthy imbalance of lipids in the blood, with higher levels of total cholesterol, triglycerides, and low-density lipoprotein (LDL-C), dubbed the “bad” cholesterol. There are also reduced levels of high-density lipoprotein (HDL-C) – the “good” cholesterol that helps remove LDL-C from blood. These changes are a <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10503403/">major risk factor for heart attack or stroke</a>. 2. Hypertension – Declines in oestrogen and progesterone levels during menopause contribute to narrowing of the large blood vessels on the heart’s surface, arterial stiffness and <a href="https://pubmed.ncbi.nlm.nih.gov/35722103/">raise blood pressure</a>. 3. Weight gain – Females are born with one to two million eggs, which develop in follicles. By the time they <a href="https://www.thewomens.org.au/health-information/fertility-information/getting-pregnant/ovulation-and-conception">stop ovulating</a> in midlife, fewer than 1,000 remain. This depletion progressively changes fat distribution and storage, from the hips to the waist and abdomen. Increased waist circumference (greater than 80–88 cm) has been <a href="https://pubmed.ncbi.nlm.nih.gov/18359190/">reported to contribute to heart risk</a> – though it is <a href="https://theconversation.com/good-news-midlife-health-is-about-more-than-a-waist-measurement-heres-why-226019">not the only factor to consider</a>. 4. Comorbidities – Changes in body composition, sex hormone decline, increased food consumption, weight gain and sedentary lifestyles impair the body’s ability to effectively use insulin. This <a href="https://pubmed.ncbi.nlm.nih.gov/11133069/">increases the risk</a> of developing metabolic syndromes such as type 2 diabetes. While risk factors apply to both genders, hypertension, smoking, obesity and type 2 diabetes confer a greater relative risk for heart disease in women. <h2>So, what can women do?</h2> Every woman has a different level of baseline cardiovascular and metabolic risk pre-menopause. This is based on their genetics and family history, diet, and lifestyle. But all women can <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8351755/">reduce their post-menopause heart risk with</a>: <ul> <li>regular moderate intensity exercise such as brisk walking, pushing a lawn mower, riding a bike or water aerobics for 30 minutes, four or five times every week</li> <li>a healthy heart diet with smaller portion sizes (try using a smaller plate or bowl) and more low-calorie, nutrient-rich foods such as vegetables, fruit and whole grains</li> <li>plant sterols (unrefined vegetable oil spreads, nuts, seeds and grains) each day. A review of 14 clinical trials found plant sterols, at doses of at least 2 grams a day, produced an average reduction in serum LDL-C (bad cholesterol) of about 9–14%. This could reduce the risk of heart disease by <a href="https://pubmed.ncbi.nlm.nih.gov/10731187/">25% in two years</a></li> <li>less unhealthy (saturated or trans) fats and more low-fat protein sources (lean meat, poultry, fish – especially oily fish high in omega-3 fatty acids), legumes and low-fat dairy</li> <li>less high-calorie, high-sodium foods such as processed or fast foods</li> <li>a reduction or cessation of smoking (nicotine or cannabis) and alcohol</li> <li>weight-gain management or prevention.</li> </ul> <h2>What about hormone therapy medications?</h2> Hormone therapy remains the most effective means of <a href="https://pubmed.ncbi.nlm.nih.gov/15495039/">managing hot flushes and night sweats</a> and is beneficial for <a href="https://pubmed.ncbi.nlm.nih.gov/18418063/">slowing the loss of bone mineral density</a>. The decision to recommend oestrogen alone or a combination of oestrogen plus progesterone hormone therapy depends on whether a woman has had a hysterectomy or not. The choice also depends on whether the hormone therapy benefit outweighs the woman’s disease risks. Where symptoms are bothersome, hormone therapy has <a href="https://pubmed.ncbi.nlm.nih.gov/33841322/">favourable or neutral effects on coronary heart disease risk</a> and medication risks are low for healthy women younger than 60 or within ten years of menopause. Depending on the level of stroke or heart risk and the response to lifestyle strategies, some women may also require medication management to <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8351755/">control high blood pressure or elevated cholesterol levels</a>. Up until the early 2000s, women were underrepresented in most outcome trials with lipid-lowering medicines. The <a href="https://pubmed.ncbi.nlm.nih.gov/25579834/">Cholesterol Treatment Trialists’ Collaboration</a> analysed 27 clinical trials of statins (medications commonly prescribed to lower cholesterol) with a total of 174,000 participants, of whom 27% were women. Statins were about as effective in women and men who had similar risk of heart disease in preventing events such as stroke and heart attack. Every woman approaching menopause should ask their GP for a 20-minute <a href="https://www.health.gov.au/news/heart-health">Heart Health Check</a> to help better understand their risk of a heart attack or stroke and get tailored strategies to reduce it. <a href="https://theconversation.com/profiles/treasure-mcguire-135225">Treasure McGuire</a>, Assistant Director of Pharmacy, Mater Health SEQ in conjoint appointment as Associate Professor of Pharmacology, Bond University and as Associate Professor (Clinical), <a href="https://theconversation.com/institutions/the-university-of-queensland-805">The University of Queensland</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/menopause-can-bring-increased-cholesterol-levels-and-other-heart-risks-heres-why-and-what-to-do-about-it-228010">original article</a>.

Body

I can’t afford olive oil. What else can I use?

<a href="https://theconversation.com/profiles/lauren-ball-14718">Lauren Ball</a>, <a href="https://theconversation.com/institutions/the-university-of-queensland-805">The University of Queensland</a> and <a href="https://theconversation.com/profiles/emily-burch-438717">Emily Burch</a>, <a href="https://theconversation.com/institutions/southern-cross-university-1160">Southern Cross University</a> If you buy your olive oil in bulk, you’ve likely been in for a shock in recent weeks. Major supermarkets have been selling olive oil for up to A$65 for a four-litre tin, and up to $26 for a 750 millilitre bottle. We’ve been hearing about the health benefits of olive oil for years. And many of us are adding it to salads, or baking and frying with it. But during a cost-of-living crisis, these high prices can put olive oil out of reach. Let’s take a look at why olive oil is in demand, why it’s so expensive right now, and what to do until prices come down. <h2>Remind me, why is olive oil so good for you?</h2> Including olive oil in your diet can reduce your risk of developing type 2 diabetes and improve heart health through more favourable <a href="https://www.mdpi.com/2072-6643/12/6/1548">blood pressure</a>, <a href="https://www.mdpi.com/2072-6643/7/9/5356">inflammation</a> and <a href="https://www.sciencedirect.com/science/article/abs/pii/S0939475319302662">cholesterol levels</a>. This is largely because olive oil is high in <a href="https://www.mdpi.com/2072-6643/4/12/1989">monounsaturated fatty acids</a> and <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8300823/">polyphenols</a> (antioxidants). Some researchers have suggested you can get these benefits from consuming up to <a href="https://www.frontiersin.org/articles/10.3389/fnut.2022.1041203/full">20 grams a day</a>. That’s equivalent to about five teaspoons of olive oil. <h2>Why is olive oil so expensive right now?</h2> A European heatwave and drought have <a href="https://www.abc.net.au/news/rural/2024-04-27/olive-oil-alternatives-what-you-can-use-in-cooking/103761718">limited</a> Spanish and Italian producers’ ability to supply olive oil to international markets, including Australia. This has been coupled with an unusually cold and short growing season for Australian <a href="https://www.abc.net.au/news/rural/2023-08-02/record-olive-oil-price-set-to-increase-again/102675452">olive oil suppliers</a>. The lower-than-usual production and supply of olive oil, together with heightened demand from shoppers, means prices have gone up. <h2>How can I make my olive oil go further?</h2> Many households buy olive oil in large quantities because it is cheaper per litre. So, if you have some still in stock, you can make it go further by: <ul> <li> storing it correctly – make sure the lid is on tightly and it’s kept in a cool, dark place, such as a pantry or cabinet. If stored this way, olive oil can typically last <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6218649/">12–18 months</a> </li> <li> using a spray – sprays distribute oil more evenly than pourers, using less olive oil overall. You could buy a spray bottle to fill from a large tin, as needed </li> <li> straining or freezing it – if you have leftover olive oil after frying, strain it and reuse it for other fried dishes. You could also freeze this used oil in an airtight container, then thaw and fry with it later, without affecting the oil’s <a href="https://link.springer.com/article/10.1007/s00217-022-04078-9">taste and other characteristics</a>. But for dressings, only use fresh oil. </li> </ul> <h2>I’ve run out of olive oil. What else can I use?</h2> Here are some healthy and cheaper alternatives to olive oil: <ul> <li> canola oil is a good alternative for frying. It’s relatively <a href="https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/canola-oil">low</a> in saturated fat so is generally considered healthy. Like olive oil, it is high in <a href="https://pubmed.ncbi.nlm.nih.gov/23731447/">healthy monounsaturated fats</a>. Cost? Up to $6 for a 750mL bottle (home brand is about half the price) </li> <li> sunflower oil is a great alternative to use on salads or for frying. It has a mild flavour that does not overwhelm other ingredients. Some <a href="https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/conjugated-linoleic-acid-versus-higholeic-acid-sunflower-oil-effects-on-energy-metabolism-glucose-tolerance-blood-lipids-appetite-and-body-composition-in-regularly-exercising-individuals/6C035B5C6E9FD7C9D6D7F806ADA56983">studies</a> suggest using sunflower oil may help reduce your risk of heart disease by lowering LDL (bad) cholesterol and raising HDL (good) cholesterol. Cost? Up to $6.50 for a 750mL bottle (again, home brand is about half the price) </li> <li> sesame oil has a nutty flavour. It’s good for Asian dressings, and frying. Light sesame oil is typically used as a neutral cooking oil, while the toasted type is used to flavour sauces. Sesame oil is <a href="https://onlinelibrary.wiley.com/doi/10.1002/ptr.6428">high in</a> antioxidants and has some anti-inflammatory properties. Sesame oil is generally sold in smaller bottles than canola or sunflower oil. Cost? Up to $5 for a 150mL bottle. </li> </ul> <h2>How can I use less oil, generally?</h2> Using less oil in your cooking could keep your meals healthy. Here are some alternatives and cooking techniques: <ul> <li> use alternatives for baking – unless you are making an olive oil cake, if your recipe calls for a large quantity of oil, try using an alternative such as apple sauce, Greek yoghurt or mashed banana </li> <li> use non-stick cookware – using high-quality, non-stick pots and pans reduces the need for oil when cooking, or means you don’t need oil at all </li> <li> steam instead – steam vegetables, fish and poultry to retain nutrients and moisture without adding oil </li> <li> bake or roast – potatoes, vegetables or chicken can be baked or roasted rather than fried. You can still achieve crispy textures without needing excessive oil </li> <li> grill – the natural fats in meat and vegetables can help keep ingredients moist, without using oil </li> <li> use stock – instead of sautéing vegetables in oil, try using vegetable broth or stock to add flavour </li> <li> try vinegar or citrus – use vinegar or citrus juice (such as lemon or lime) to add flavour to salads, marinades and sauces without relying on oil </li> <li> use natural moisture – use the natural moisture in ingredients such as tomatoes, onions and mushrooms to cook dishes without adding extra oil. They release moisture as they cook, helping to prevent sticking.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/228788/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> </li> </ul> <a href="https://theconversation.com/profiles/lauren-ball-14718">Lauren Ball</a>, Professor of Community Health and Wellbeing, <a href="https://theconversation.com/institutions/the-university-of-queensland-805">The University of Queensland</a> and <a href="https://theconversation.com/profiles/emily-burch-438717">Emily Burch</a>, Accredited Practising Dietitian and Lecturer, <a href="https://theconversation.com/institutions/southern-cross-university-1160">Southern Cross University</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/i-cant-afford-olive-oil-what-else-can-i-use-228788">original article</a>.

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I can’t afford olive oil. What else can I use?

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I can’t afford olive oil. What else can I use?

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