Search

Why David Beckham is suing Mark Wahlberg for $16m

David Beckham has launched legal action against Mark Wahlberg, after a joint business venture into the world of fitness failed. The English soccer legend is suing the Hollywood actor for a whopping £8.5 million (A$16.4 million), claiming he was "duped" by Wahlberg when he started a partnership with the global F45 Training gym. Beckham agreed to be the firm’s global ambassador when he moved to LA as he became friends with Wahlberg, who owns a huge stake of the gym network. The 48-year-old sporting hero is also suing the actor’s firm, Mark Wahlberg Investment Group (MWIG), and gym group F45’s founders Adam Gilchrist and Rob Deutsch for "fraudulent conduct". Beckham is claiming he lost more than $16 million when stocks he was promised were withheld until after share prices plummeted. In August 2023, F45 Training Holdings announced they had delisted from the New York Stock Exchange after its share price fell by 75 per cent. Wahlberg and the other defendants said the allegations are baseless and are asking the judge to dismiss the lawsuit. The defendants’ motion to dismiss goes further to say David Beckham Ventures Ltd (DBVL) are blaming everyone but themselves for the loss of money, adding: “The 209-page, 610-paragraph SAC [complaint] tries to make up with length what it lacks in merit." Image credits: Getty Images

Legal

Good news: midlife health is about more than a waist measurement. Here’s why

<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> You’re not in your 20s or 30s anymore and you know regular health checks are important. So you go to your GP. During the appointment they measure your waist. They might also check your weight. Looking concerned, they recommend some lifestyle changes. GPs and health professionals commonly <a href="https://theconversation.com/the-body-mass-index-cant-tell-us-if-were-healthy-heres-what-we-should-use-instead-211190">measure waist circumference</a> as a vital sign for health. This is a better indicator than body mass index (BMI) of the amount of intra-abdominal fat. This is the really risky fat around and within the organs that can drive heart disease and metabolic disorders such as type 2 diabetes. Men are at greatly increased risk of health issues if their waist circumference is <a href="https://www.bmj.com/content/311/7017/1401">greater than 102 centimetres</a>. Women are considered to be at greater risk with a waist circumference of <a href="https://www.bmj.com/content/311/7017/1401">88 centimetres or more</a>. More than <a href="https://www.abs.gov.au/statistics/health/health-conditions-and-risks/waist-circumference-and-bmi/latest-release">two-thirds of Australian adults</a> have waist measurements that put them at an increased risk of disease. An even better indicator is waist circumference divided by height or <a href="https://www.baker.edu.au/news/in-the-media/waist-height-ratio#:%7E:text=According%20to%20research%2C%20a%20healthy,the%20highest%20risk%20of%20disease.">waist-to-height ratio</a>. But we know people (especially women) have a propensity to <a href="https://www.ajog.org/article/S0002-9378(19)30588-5/abstract">gain weight around their middle during midlife</a>, which can be very hard to control. Are they doomed to ill health? It turns out that, although such measurements are important, they are not the whole story when it comes to your risk of disease and death. <h2>How much is too much?</h2> Having a waist circumference to height ratio larger than 0.5 is associated with greater risk of chronic disease as well as premature death and this applies in adults of any age. A healthy waist-to-height ratio is between 0.4 to 0.49. A ratio of 0.6 or more <a href="https://www.baker.edu.au/news/in-the-media/waist-height-ratio#:%7E:text=According%20to%20research%2C%20a%20healthy,the%20highest%20risk%20of%20disease">places a person at the highest risk of disease</a>. Some experts recommend <a href="https://www.nature.com/articles/s41574-019-0310-7">waist circumference be routinely measured in patients during health appointments</a>. This can kick off a discussion about their risk of chronic diseases and how they might address this. Excessive body fat and the associated health problems manifest more strongly during midlife. A range of social, personal and physiological factors come together to make it more difficult to control waist circumference as we age. Metabolism tends to slow down mainly due to decreasing muscle mass because people do <a href="https://onlinelibrary.wiley.com/doi/10.1002/jcb.25077">less vigorous physical activity, in particular resistance exercise</a>. For women, hormone levels begin changing in mid-life and this also <a href="https://www.tandfonline.com/doi/full/10.3109/13697137.2012.707385">stimulates increased fat levels particularly around the abdomen</a>. At the same time, this life phase (often involving job responsibilities, parenting and caring for ageing parents) is when elevated stress can lead to <a href="https://journals.lww.com/psychosomaticmedicine/abstract/2000/09000/stress_and_body_shape__stress_induced_cortisol.5.aspx">increased cortisol which causes fat gain in the abdominal region</a>. Midlife can also bring poorer sleep patterns. These contribute to fat gain with <a href="https://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.0010062">disruption to the hormones that control appetite</a>. Finally, your family history and genetics can <a href="https://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1002695">make you predisposed to gaining more abdominal fat</a>. <h2>Why the waist?</h2> This intra-abdominal or visceral fat is much more metabolically active (it has a greater impact on body organs and systems) than the fat under the skin (subcutaneous fat). Visceral fat surrounds and infiltrates major organs such as the liver, pancreas and intestines, releasing a variety of chemicals (hormones, inflammatory signals, and fatty acids). These affect inflammation, lipid metabolism, cholesterol levels and insulin resistance, <a href="https://academic.oup.com/eurheartjsupp/article/8/suppl_B/B4/461962">contributing to the development of chronic illnesses</a>. The issue is particularly evident <a href="https://www.ajog.org/article/S0002-9378(19)30588-5/abstract">during menopause</a>. In addition to the direct effects of hormone changes, <a href="https://www.sciencedirect.com/science/article/pii/S0960076013001118?via%3Dihub">declining levels of oestrogen change brain function, mood and motivation</a>. These psychological alterations can result in reduced physical activity and increased eating – often of comfort foods high in sugar and fat. But these outcomes are not inevitable. Diet, exercise and managing mental health can limit visceral fat gains in mid-life. And importantly, the waist circumference (and ratio to height) is just one measure of human health. There are so many other aspects of body composition, exercise and diet. These can have much larger influence on a person’s health. <h2>Muscle matters</h2> The quantity and quality of skeletal muscle (attached to bones to produce movement) a person has makes a <a href="https://www.nature.com/articles/nrendo.2012.49">big difference</a> to their heart, lung, metabolic, immune, neurological and mental health as well as their physical function. On current evidence, it is equally or more important for health and longevity to <a href="https://www.bmj.com/content/345/bmj.e7279">have</a> higher muscle mass and better cardiorespiratory (aerobic) fitness than waist circumference within the healthy range. So, if a person does have an excessive waist circumference, but they are also sedentary and have less muscle mass and aerobic fitness, then the recommendation would be to focus on an appropriate exercise program. The fitness deficits should be addressed as priority rather than worry about fat loss. Conversely, a person with low visceral fat levels is not necessarily fit and healthy and may have quite poor aerobic fitness, muscle mass, and strength. <a href="https://bjsm.bmj.com/content/45/6/504">The research evidence</a> is that these vital signs of health – how strong a person is, the quality of their diet and how well their heart, circulation and lungs are working – are more predictive of risk of disease and death than how thin or fat a person is. For example, a <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5510687/">2017 Dutch study</a> followed overweight and obese people for 15 years and found people who were very physically active had no increased heart disease risk than “normal weight” participants. <h2>Getting moving is important advice</h2> Physical activity has many benefits. Exercise can counter a lot of the negative behavioural and physiological changes that are occurring during midlife including for people going through menopause. And regular exercise reduces the tendency to use food and drink to help manage what can be a <a href="https://journals.lww.com/acsm-msse/fulltext/2008/05000/physical_activity,_sedentary_index,_and_mental.7.aspx">quite difficult time in life</a>. Measuring your waist circumference and monitoring your weight remains important. If the measures exceed the values listed above, then it is certainly a good idea to make some changes. Exercise is effective for fat loss and in particular <a href="https://bjsm.bmj.com/content/57/16/1035">decreasing visceral fat</a> with greater effectiveness when <a href="https://bmcwomenshealth.biomedcentral.com/articles/10.1186/s12905-019-0864-5">combined with dietary restriction of energy intake</a>. Importantly, any fat loss program – whether through drugs, diet or surgery – is also a muscle loss program unless resistance exercise is part of the program. Talking about your overall health with a doctor is a great place to start. <a href="https://www.essa.org.au/Public/Public/Searches/find-aep-withdistance.aspx">Accredited exercise physiologists</a> and <a href="https://member.dietitiansaustralia.org.au/Portal/Portal/Search-Directories/Find-a-Dietitian.aspx">accredited practising dietitians</a> are the most appropriate allied health professionals to assess your physical structure, fitness and diet and work with you to get a plan in place to improve your health, fitness and reduce your current and future health risks.<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/226019/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: Getty Images 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/good-news-midlife-health-is-about-more-than-a-waist-measurement-heres-why-226019">original article</a>.

Body

People in the world’s ‘blue zones’ live longer – their diet could hold the key to why

<a href="https://theconversation.com/profiles/justin-roberts-1176632">Justin Roberts</a>, <a href="https://theconversation.com/institutions/anglia-ruskin-university-1887">Anglia Ruskin University</a>; <a href="https://theconversation.com/profiles/joseph-lillis-1505087">Joseph Lillis</a>, <a href="https://theconversation.com/institutions/anglia-ruskin-university-1887">Anglia Ruskin University</a>, and <a href="https://theconversation.com/profiles/mark-cortnage-438941">Mark Cortnage</a>, <a href="https://theconversation.com/institutions/anglia-ruskin-university-1887">Anglia Ruskin University</a> Ageing is an inevitable part of life, which may explain our <a href="https://time.com/4672969/why-do-people-want-to-live-so-long/">strong fascination</a> with the <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2726954">quest for longevity</a>. The allure of <a href="https://pubmed.ncbi.nlm.nih.gov/26566891/">eternal youth</a> drives a <a href="https://www.alliedmarketresearch.com/longevity-and-anti-senescence-therapy-market-A14010">multi-billion pound industry</a> ranging from anti-ageing products, supplements and <a href="https://www.everydayhealth.com/diet-nutrition/longevity-diet">diets</a> for those hoping to extend their lifespan. f you look back to the turn of the 20th century, average life expectancy in the UK was around 46 years. Today, it’s closer to <a href="https://population.un.org/wpp/">82 years</a>. We are in fact <a href="https://pubmed.ncbi.nlm.nih.gov/27706136/">living longer than ever before</a>, possibly due to medical advancements and improved <a href="https://www.health.org.uk/publications/reports/mortality-and-life-expectancy-trends-in-the-uk">living and working conditions</a>. But living longer has also come at a price. We’re now seeing higher rates of <a href="https://www.who.int/data/gho/data/themes/mortality-and-global-health-estimates/ghe-leading-causes-of-death">chronic and degenerative diseases</a> – with heart disease consistently topping the list. So while we’re fascinated by what may help us live longer, maybe we should be more interested in being healthier for longer. Improving our “<a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4632858/">healthy life expectancy</a>” remains a global challenge. Interestingly, certain locations around the world have been discovered where there are a high proportion of centenarians who display remarkable physical and mental health. The <a href="https://pubmed.ncbi.nlm.nih.gov/15489066/">AKEA study of Sardinia, Italy</a>, as example, identified a “blue zone” (named because it was marked with blue pen), where there was a higher number of locals living in the central-eastern mountainous areas who had reached their 100th birthday compared with the wider Sardinian community. This longevity hotspot has since been expanded, and now includes several other areas around the world which also have greater numbers of longer-living, healthy people. Alongside Sardinia, these blue zones are now <a href="https://www.netflix.com/gb/title/81214929">popularly recognised</a> as: Ikaria, Greece; Okinawa, Japan; Nicoya, Costa Rica; and Loma Linda, California. Other than their long lifespans, people living in these zones also appear to share certain other commonalities, which centre around being <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3874460">part of a community</a>, having a <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4224996/">life purpose</a>, eating <a href="https://pubmed.ncbi.nlm.nih.gov/33514872/">nutritious, healthy foods</a>, keeping <a href="https://www.nature.com/articles/s41398-021-01735-7">stress levels</a> low and undertaking purposeful daily <a href="https://pubmed.ncbi.nlm.nih.gov/30202288/">exercise or physical tasks</a>. Their longevity could also relate to their <a href="https://pubmed.ncbi.nlm.nih.gov/9010380/">environment</a>, being mostly rural (or less polluted), or because of <a href="https://pubmed.ncbi.nlm.nih.gov/22253498/">specific longevity genes</a>. However, studies indicate genetics may only account for <a href="https://pubmed.ncbi.nlm.nih.gov/8786073">around 20-25% of longevity</a> – meaning a person’s lifespan is a complex interaction between lifestyle and genetic factors, which contribute to a long and healthy life. <h2>Is the secret in our diet?</h2> When it comes to diet, each blue zone has its own approach – so one specific food or nutrient does not explain the remarkable longevity observed. But interestingly, a diet rich in <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3662288">plant foods</a> (such as locally-grown vegetables, fruits and legumes) does appear to be reasonably consistent across these zones. For instance, the Seventh-day Adventists of Loma Linda are <a href="https://pubmed.ncbi.nlm.nih.gov/10641813/">predominately vegetarian</a>. For centenarians in Okinawa, <a href="https://pubmed.ncbi.nlm.nih.gov/20234038/">high intakes of flavonoids</a> (a chemical compound typically found in plants) from purple sweet potatoes, soy and vegetables, have been linked with <a href="https://pubmed.ncbi.nlm.nih.gov/11710359/">better cardiovascular health</a> – including lower cholesterol levels and lower incidences of stroke and heart disease. In Nicoya, consumption of locally produced rice and beans has been associated with <a href="https://pubmed.ncbi.nlm.nih.gov/34444746/">longer telomere length</a>. Telomeres are the structural part at the end of our chromosomes which protect our genetic material. Our telomeres get shorter each time a cell divides – so get progressively shorter as we age. Certain <a href="https://pubmed.ncbi.nlm.nih.gov/21102320/">lifestyle factors</a> (such as smoking and poor diet) can also shorten telomere length. It’s thought that telomere length acts as a <a href="https://pubmed.ncbi.nlm.nih.gov/31728493/">biomarker of ageing</a> – so having longer telomeres could, in part, be linked with longevity. But a plant-based diet isn’t the only secret. In Sardinia, for example, meat and fish is consumed in moderation in addition to locally grown vegetables and <a href="https://journalofethnicfoods.biomedcentral.com/articles/10.1186/s42779-022-00152-5">traditional foods</a> such as acorn breads, pane carasau (a sourdough flatbread), honey and soft cheeses. Also observed in several blue zone areas is the inclusion of <a href="https://www.jacc.org/doi/10.1016/j.jacc.2021.10.041">olive oil</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/33669360/">wine</a> (in moderation – around 1-2 glasses a day), as well as <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3830687/">tea</a>. All of these contain powerful antioxidants which may help <a href="https://ncbi.nlm.nih.gov/pmc/articles/PMC10049696/">protect our cells</a> from damage <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6273542/">as we age</a>. Perhaps then, it’s a combination of the protective effects of various nutrients in the diets of these centenarians, which explains their exceptional longevity. Another striking observation from these longevity hot spots is that meals are typically <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7232892">freshly prepared at home</a>. Traditional blue zone diets also don’t appear to contain <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6538973/">ultra-processed foods</a>, fast foods or sugary drinks which may <a href="https://pubmed.ncbi.nlm.nih.gov/32330232/">accelerate ageing</a>. So maybe it’s just as important to consider what these longer-living populations are not doing, as much as what they are doing. There also appears to be a pattern of eating until 80% full (in other words partial <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9036399/">caloric reduction</a>. This could be important in also supporting how our cells deal with damage as we age, which could mean a longer life. Many of the factors making up these blue zone diets – primarily plant-based and natural whole foods – are associated with <a href="https://pubmed.ncbi.nlm.nih.gov/35706591/">lower risk of chronic diseases</a> such as <a href="https://pubmed.ncbi.nlm.nih.gov/28728684/">heart disease</a> and <a href="https://pubmed.ncbi.nlm.nih.gov/37589638/">cancer</a>. Not only could such diets contribute to a <a href="https://pubmed.ncbi.nlm.nih.gov/37836577/">longer, healthier life</a>, but could support a more <a href="https://pubmed.ncbi.nlm.nih.gov/33397404/">diverse gut microbiome</a>, which is also associated with healthy ageing. Perhaps then we can learn something from these remarkable centenarians. While diet is only one part of the bigger picture when it comes to longevity, it’s an area we can do something about. In fact, it might just be at the heart of improving not only the quality of our health, but the quality of how we age.<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/221463/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/justin-roberts-1176632">Justin Roberts</a>, Professor of Nutritional Physiology, <a href="https://theconversation.com/institutions/anglia-ruskin-university-1887">Anglia Ruskin University</a>; <a href="https://theconversation.com/profiles/joseph-lillis-1505087">Joseph Lillis</a>, PhD Candidate in Nutritional Physiology, <a href="https://theconversation.com/institutions/anglia-ruskin-university-1887">Anglia Ruskin University</a>, and <a href="https://theconversation.com/profiles/mark-cortnage-438941">Mark Cortnage</a>, Senior Lecturer in Public Health and Nutrition, <a href="https://theconversation.com/institutions/anglia-ruskin-university-1887">Anglia Ruskin University</a> Image credits: Getty Images 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/people-in-the-worlds-blue-zones-live-longer-their-diet-could-hold-the-key-to-why-221463">original article</a>.

Food & Wine

Hospice nurse explains why we shouldn't be afraid to die

A hospice nurse has shared why we shouldn't be afraid to die, explaining all the ways in which our bodies "shut off" to make for a "peaceful" death. Julie McFadden, a nurse based in Los Angeles, has long been sharing videos and explanations about end of life care in an attempt to destigmatise the conversations and fear around death and dying. In her latest YouTube video, McFadden got candid with her followers as she confessed she isn't afraid to die and why no one else should be either. She went on to explain all the ways in which our bodies are supposed to "shut off" in our final moments, making for a "peaceful" and "natural" death. " "I'm not afraid of death and here's the science behind it, our body biologically helps us die, so here is what I've seen and learned as a hospice nurse over the years - our body is literally built to die," she said. The hospice nurse revealed that bodies began to slowly shut down in the six months leading up to death, explaining that a person nearing the end of their life would start "eating less, drinking less, and sleeping more." "Why is that happening? Because calcium levels in the body are going up and because calcium levels are going up the person is getting sleepier," Julie said. "Our brains have built in mechanisms to make us hungry and thirsty. Biologically, when the body knows it's getting towards the end of life those mechanisms shut off, so the person does not usually feel hungry and does not usually feel thirsty, which is helping the body slowly shut down." <iframe title="YouTube video player" src="https://www.youtube.com/embed/CJEkzA0gt6s?si=CIzcf3xchddKtf1D" width="560" height="315" frameborder="0" allowfullscreen="allowfullscreen"></iframe> She put minds at ease by debunking a common concern, saying that while certain diseases could make death more uncomfortable, dying in itself wasn't painful. "There are times when the disease that the person is experiencing can cause symptoms and it's more difficult because they're dying from a certain disease, but the actual process that the body is going through to help it die is actually helping that person," Julie added. "There have been many times as a hospice nurse that I have watched someone slowly die on hospice and I have not needed to give them any medication because their disease was not causing any symptoms - no pain, no shortness of breath, they were just more tired and weren't eating or drinking." "They still did all of the things any other person on hospice would be doing, like they slowly go unconscious, they slowly stop eating and drinking. I didn't have to give them any medications. They were perfectly comfortable and died a very peaceful death." Julie explained that death was even "comforting" in a way because when you're about to take your last breath, your body released endorphins, making you feel euphoric in your final moments. "The body slowly goes into something called ketosis, which releases endorphins. In that person's body those endorphins dull pain, dull nerves, and they also give that person a euphoric sense, so they feel good," she said. "There are many reasons why I don't fear death. Yes, I have had some pretty crazy spiritual experiences as a hospice nurse that led me to not fear death, but there are also biological, metabolical, and physiological things that happen in the body that truly, truly comforted me." She concluded, "Our bodies are built to die. The less we mess with that, the more peaceful it will be." Image credits: YouTube / Instagram

Caring

Why do airlines charge so much for checked bags? This obscure rule helps explain why

<a href="https://theconversation.com/profiles/jay-l-zagorsky-152952">Jay L. Zagorsky</a>, <a href="https://theconversation.com/institutions/boston-university-898">Boston University</a> Five out of the six <a href="https://www.oag.com/blog/biggest-airlines-in-the-us">biggest U.S. airlines</a> have <a href="https://www.cnbc.com/2024/03/05/delta-is-the-latest-airline-to-raise-its-checked-bag-fee.html">raised their checked bag fees</a> since January 2024. Take American Airlines. In 2023, it cost US$30 to check a standard bag in with the airline; <a href="https://www.usatoday.com/story/travel/airline-news/2024/02/20/american-airlines-bag-fees-mileage-earning/72669245007/">today, as of March 2024, it costs $40</a> at a U.S. airport – a whopping 33% increase. As a <a href="https://www.bu.edu/questrom/">business school</a> <a href="https://www.bu.edu/questrom/profile/jay-zagorsky/">professor who studies travel</a>, I’m often asked why airlines alienate their customers with baggage fees instead of bundling all charges together. <a href="https://www.vox.com/2015/4/16/8431465/airlines-carry-on-bags">There are</a> <a href="https://www.usatoday.com/story/travel/columnist/2023/06/21/bag-fees-will-stay-a-while-cruising-altitude/70338849007/">many reasons</a>, but an important, often overlooked cause is buried in the U.S. tax code. <h2>A tax-law loophole</h2> Airlines pay the federal government <a href="https://www.ecfr.gov/current/title-26/chapter-I/subchapter-D/part-49/subpart-D">7.5% of the ticket price</a> when <a href="https://www.pwc.com/us/en/services/tax/library/aircraft-club-nov-2023-air-transport-excise-tax-rates-for-2024.html">flying people domestically, alongside other fees</a>. The airlines dislike these charges, with their <a href="https://www.airlines.org/dataset/government-imposed-taxes-on-air-transportation/">trade association arguing</a> that they boost the cost to the consumer of a typical air ticket by around one-fifth. However, the U.S. Code of Federal Regulations <a href="https://www.ecfr.gov/current/title-26/chapter-I/subchapter-D/part-49/subpart-D/section-49.4261-8">specifically excludes baggage</a> from the 7.5% transportation tax as long as “the charge is separable from the payment for the transportation of a person and is shown in the exact amount.” This means if an airline charges a combined $300 to fly you and a bag round-trip within the U.S., it owes $22.50 in tax. If the airline charges $220 to fly you plus separately charges $40 each way for the bag, then your total cost is the same — but the airline only owes the government $16.50 in taxes. Splitting out baggage charges saves the airline $6. Now $6 might not seem like much, but it can add up. Last year, passengers took <a href="https://www.transtats.bts.gov/Data_Elements.aspx?Data=1">more than 800 million trips on major airlines</a>. Even if only a fraction of them check their bags, that means large savings for the industry. How large? The government has <a href="https://www.bts.dot.gov/topics/airlines-and-airports/baggage-fees-airline-2023">tracked revenue from bag fees</a> for decades. In 2002, airlines charged passengers a total of $180 million to check bags, which worked out to around 33 cents per passenger. Today, as any flyer can attest, bag fees are a lot higher. Airlines collected over 40 times more money in bag fees last year than they did in 2002. When the full data is in for 2023, <a href="https://www.bts.dot.gov/baggage-fees">total bag fees</a> will likely top $7 billion, which is about $9 for the average domestic passenger. <a href="https://viewfromthewing.com/the-real-reason-airlines-charge-checked-bag-fees-and-its-not-what-you-think">By splitting out the cost of bags</a>, airlines avoided paying about half a billion dollars in taxes just last year. In the two decades since 2002, flyers paid a total of about $70 billion in bag fees. This means separately charging for bags saved airlines about $5 billion in taxes. <iframe id="88MYD" class="tc-infographic-datawrapper" style="border: none;" src="https://datawrapper.dwcdn.net/88MYD/2/" width="100%" height="400px" frameborder="0"></iframe> It seems clear to me that tax savings are one driver of the unbundling of baggage fees because of a quirk in the law. The U.S. government doesn’t apply the 7.5% tax to <a href="https://www.ecfr.gov/current/title-26/chapter-I/subchapter-D/part-49/subpart-D/section-49.4261-3">international flights that go more than 225 miles</a> beyond the nation’s borders. Instead, there are fixed <a href="https://www.airlines.org/dataset/government-imposed-taxes-on-air-transportation">international departure and arrival taxes</a>. This is why major airlines charge $35 to $40 <a href="https://www.aa.com/i18n/travel-info/baggage/checked-baggage-policy.jsp">for bags if you’re flying domestically</a>, but don’t charge a bag fee when you’re flying to Europe or Asia. <h2>Do travelers get anything for that money?</h2> This system raises an interesting question: Do baggage fees force airlines to be more careful with bags, since customers who pay more expect better service? To find out, I checked with the Bureau of Transportation Statistics, which has been <a href="https://www.bts.gov/content/mishandled-baggage-reports-filed-passengers-largest-us-air-carriersa">tracking lost luggage for decades</a>. For many years, it calculated the number of mishandled-baggage reports per thousand airline passengers. The government’s data showed mishandled bags peaked in 2007 with about seven reports of lost or damaged luggage for every thousand passengers. That means you could expect your luggage to go on a different trip than the one you are taking about once every 140 or so flights. By 2018, that estimate had fallen to once every 350 flights. In 2019, the government <a href="https://www.bts.gov/topics/airlines-and-airports/number-30a-technical-directive-mishandled-baggage-amended-effective-jan">changed how it tracks</a> mishandled bags, calculating figures based on the total number of bags checked, rather than the total number of passengers. The new data show about six bags per thousand checked get lost or damaged, which is less than 1% of checked bags. Unfortunately, the data doesn’t show improvement since 2019. Is there anything that you can do about higher bag fees? Complaining to politicians probably won’t help. In 2010, two senators <a href="https://www.nj.com/business/2010/04/us_senators_present_bill_to_ba.html">tried to ban bag fees</a>, and their bill went nowhere. Given that congressional action failed, there’s a simple way to avoid higher bag fees: <a href="https://www.cnn.com/travel/article/packing-expert-travel-world-handbag/index.html">travel light</a> and <a href="https://www.nytimes.com/2023/07/08/opinion/carry-on-packing-airlines-lost-luggage.html">don’t check any luggage</a>. It may sound tough not to have all your belongings when traveling, but it might be the best option as bag fees take off.<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/225857/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/jay-l-zagorsky-152952">Jay L. Zagorsky</a>, Associate Professor of Markets, Public Policy and Law, <a href="https://theconversation.com/institutions/boston-university-898">Boston University</a> 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-do-airlines-charge-so-much-for-checked-bags-this-obscure-rule-helps-explain-why-225857">original article</a>.

Travel Trouble

Here’s why having chocolate can make you feel great or a bit sick – plus 4 tips for better eating

<a href="https://theconversation.com/profiles/saman-khalesi-366871">Saman Khalesi</a>, <a href="https://theconversation.com/institutions/cquniversity-australia-2140">CQUniversity Australia</a> Australians are <a href="https://www.retail.org.au/media/sweet-spending-boon-predicted-for-easter-retail">predicted</a> to spend around A$1.7 billion on chocolates, hot cross buns and other special foods this Easter season. Chocolate has a long history of production and consumption. It is made from cacao beans that go through processes including fermentation, drying, roasting and grounding. What is left is a rich and fatty liquor that is pressed to remove the fat (cocoa butter) and the cacao (or “cocoa”) powder which will then be mixed with different ingredients to produce dark, milk, white and other types of chocolates. There are several health benefits and potential problems that come in these sweet chocolatey packages. <h2>The good news</h2> Cacao beans contain <a href="https://foodstruct.com/food/cocoa-bean">minerals</a> like iron, potassium, magnesium, zinc and phosphorus and some vitamins. They are also rich in beneficial chemicals called <a href="https://pubmed.ncbi.nlm.nih.gov/23150750/">polyphenols</a>. These are great antioxidants, with the potential to <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5465250/">improve heart health</a>, increase <a href="https://pubmed.ncbi.nlm.nih.gov/25164923/">nitric oxide</a> (which dilates blood vessels) and <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3488419/">reduce blood pressure</a>, provide food for gut microbiota and <a href="https://www.mdpi.com/2072-6643/12/7/1908">promote gut health</a>, boost the <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5465250/">immune system</a> and reduce inflammation. However, the concentration of polyphenols in the chocolate we eat depends largely on the cocoa solid amounts used in the final product. In general terms, the darker the chocolate, the more cocoa solids, minerals and polyphenols it has. For example, dark chocolates may have around <a href="https://www.tandfonline.com/doi/full/10.1080/10942912.2011.614984">seven times more polyphenols</a> compared to white chocolates and <a href="https://www.tandfonline.com/doi/full/10.1080/10942912.2011.614984">three times more polyphenols</a> compared to milk chocolates. <h2>But also some bad news</h2> Unfortunately, the <a href="https://theconversation.com/treat-or-treatment-chocolate-is-good-but-cocoa-is-better-for-your-heart-3084">health benefits of cocoa solids</a> are easily offset by the high sugar and fat content of modern-day chocolates. For example, milk and white chocolate eggs are on average 50% sugar, 40% fat (mostly saturated fats) – which means a lot of added kilojoules (calories). Also, there may be some side effects that come with ingesting chocolate. Cocoa beans include a compound called theobromine. While it has the anti-inflammatory properties responsible for some of the health benefits of chocolate, it is also a mild brain stimulant that acts in a similar way to caffeine. The mood boost it offers may also be partly responsible for how much we <a href="https://www.frontiersin.org/articles/10.3389/fphar.2015.00030/full?crsi=662496658&cicada_org_src=healthwebmagazine.com&cicada_org_mdm=direct">like chocolate</a>. Dark chocolate has higher theobromine compared to milk and white chocolate. But accordingly, overindulging in chocolate (and therefore theobromine) may lead to feeling restless, <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3672386/">headaches</a> and nausea. <h2>What else is in your chocolate?</h2> Milk and dairy-based chocolates may also cause stomach upset, abdominal pain and bloating in people with <a href="https://dietitiansaustralia.org.au/health-advice/lactose-intolerance">lactose intolerance</a>. This happens when we don’t produce enough lactase enzymes to digest milk sugar (lactose). People with lactose intolerance can usually tolerate up to 6 grams of lactose without showing symptoms. Milk chocolate can have around <a href="https://www.ncbi.nlm.nih.gov/books/NBK310258/">3 grams of lactose</a> per 40 grams (the size of a standard chocolate bar). So two chocolate bars (or the equivalent in milk chocolate eggs or bunnies) may be enough to cause symptoms. It’s worth noting that lactase enzyme activity dramatically declines as we age, with the highest activity in newborns and children. So lactose sensitivity or intolerance may not be such an issue for your kids and your symptoms may increase over time. Genetics also plays a major role in how sensitive people are to lactose. <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6815241/">Allergic reactions</a> to chocolate are usually due to the added ingredients or cross-contamination with potential allergens such as nuts, milk, soy, and some sweeteners used in the production of chocolate. Symptoms can be mild (acne, rashes and stomach pain) or more severe (swelling of the throat and tongue and shortness of breath). If you or your family members have known allergic reactions, make sure you read the label before indulging – especially in a whole block or basket of the stuff. And if you or your family members do experience symptoms of an allergic reaction after eating chocolate, <a href="https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/allergic-reactions-emergency-first-aid">seek medical attention</a> immediately. <h2>4 take home tips</h2> So, if you are like me and have a weakness for chocolate there are a few things you can do to make the experience a good one.<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/202848/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <ol> <li>keep an eye out for the darker chocolate varieties with higher cocoa solids. You may notice a percentage on labelling, which refers to how much of its weight is from cocoa beans. In general, the higher this percentage, the lower the sugar. White chocolate has almost no cocoa solid, and mostly cocoa butter, sugar and other ingredients. Dark chocolate has 50–100% cocoa beans, and less sugar. Aim for at least 70% cocoa</li> <li>read the fine print for additives and possible cross-contamination, especially if allergies might be an issue</li> <li>the ingredients list and nutrition information panel should tell you all about the chocolate you choosing. Go for varieties with lower sugar and less saturated fat. Nuts, seeds and dried fruits are better ingredients to have in your chocolate than sugar, creme, syrup, and caramel</li> <li>finally, treat yourself – but keep the amount you have within sensible limits!</li> </ol> <a href="https://theconversation.com/profiles/saman-khalesi-366871">Saman Khalesi</a>, Postdoctoral Fellow of the National Heart Foundation & Senior Lecturer and Discipline Lead in Nutrition, School of Health, Medical and Applied Sciences, <a href="https://theconversation.com/institutions/cquniversity-australia-2140">CQUniversity Australia</a> Image credits: Getty Images 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/heres-why-having-chocolate-can-make-you-feel-great-or-a-bit-sick-plus-4-tips-for-better-eating-202848">original article</a>.

Food & Wine

Why a one-cent stamp is set to sell for millions

An extremely rare stamp that was once bought for a measly one cent is set to sell for millions of dollars, breaking records at a US auction house. While to the untrained eye, the blue stamp seems like any old stamp, the 1868 one-cent Z-grill is actually the rarest stamp in America due to its unique history and rarity. On June 14th, the one-cent Z-grill will be put up for sale by Robert A. Siegel Auction Galleries, marking the first time the rare stamp has been on auction since 1998. Experts from the New York auction house say it could fetch $6 million to $7.5 million (AUD), which would make it the single most expensive US stamp ever sold. The reason for the extraordinary price comes down to the fact that out of the two known Z-grill stamp copies, the one up for auction is the only copy available for private purchase by collectors, while other historic copy is held at the New York Public Library. The Z-grill is unique due to its signature embossed paper, which was introduced to the US postal service after the Civil War to prevent stamps from being reused. Since 2005, the coveted stamp has belonged to billionaire investor and “bond king” Bill Gross. “It’s considered the trophy of collecting United States stamps,” said Charles Shreve, who has managed and built Gross’ extensive stamp collection for years and serves as director of international auctions at Robert A. Siegel Auction Galleries. “There’s only one. If you want to brag, that’s the stamp.” Mr Gross' entire collection is estimated to be worth $22.6 million to $30 million AUD. The top 100 stamps from the collection will be auctioned off on June 14th, while the remaining stamps will be sold on June 15th. “There’s multiple stamps that’ll bring $500,000 or $750,000 (USD) but the (one-cent) Z-grill is the star of the show,” Shreve said. “I just know some people who are lusting for it, and we want to try to get as many people interested in it as possible.” Image credits: Robert A. Siegel Auction Galleries

Money & Banking

Sunscreen: why wearing it even in winter could be a good idea

<a href="https://theconversation.com/profiles/karl-lawrence-404481">Karl Lawrence</a>, <a href="https://theconversation.com/institutions/kings-college-london-1196">King's College London</a> Sunscreen has taken centre stage in many skincare routines, especially among those hoping to prevent visible signs of ageing. But while it makes sense to wear sunscreen every day in the summer when the sun’s rays are most powerful, many may wonder whether there’s any benefit of wearing sunscreen daily in the winter months. The sun’s radiation can reach us during all times of the year. This means that in both summer and winter, we are exposed to infrared radiation, as well as UVA and UVB rays. UVB is mainly responsible for sunburn and DNA damage – and can also <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3709783/">cause skin cancers</a> as a result of long-term exposure. UVA radiation does contribute to these processes somewhat, but it’s less effective at doing so. UVA can penetrate deeper into the skin, however, which can damage the collagen – a key part of the skin that keeps it firm and elastic. This can cause the <a href="https://pubmed.ncbi.nlm.nih.gov/25234829/">skin to age faster</a>, leading to wrinkles, fine lines and changes in pigmentation. The amount of UVA and UVB radiation that reaches the Earth’s surface changes across the seasons. This is due to the angle of the Sun in the sky, as well as other factors such as latitude and time of day. For example, let’s compare how <a href="https://onlinelibrary.wiley.com/doi/full/10.1111/php.12422">UVA and UVB radiation varies</a> at solar noon in London, UK and Kuala Lampur, Malaysia (which is near the equator). In latitudes closer to the equator (such as in Kuala Lampur), the amount of UVA and UVB radiation throughout the year remains fairly consistent. But in higher latitudes, such as London, there’s almost no UVB radiation throughout the winter months – whereas there’s still some UVA radiation. Not only that, but people living further from the equator may tend to spend less time exposed to the Sun in winter due to the colder temperatures and variable weather. And when they do go outside, they may cover their skin up – usually leaving only their face exposed to the Sun for much shorter periods of time. But UVA radiation can still penetrate through clouds and windows. While our exposure to these rays is probably minimal, skin damage from UV exposure is <a href="https://www.sciencedirect.com/science/article/pii/S0079610706000162">accumulated over decades</a>, so anything that can be done to reduce exposure (and damage) over time may be beneficial. This is also true of UVB exposure – although it is less relevant in winter months at higher latitudes. This may be where daily sunscreen use during the winter is still of benefit. Sunscreens are formulated to reduce exposure to <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6978633/">both UVB and UVA rays</a> – although they are usually more effective at reducing exposure to UVB radiation. They have been designed in this way to prevent the most damaging effects of the Sun, such as sunburn and DNA damage. The impact of exposure to UVA radiation has only been considered more recently. Numerous studies have shown regular sunscreen use over many years is effective at <a href="https://onlinelibrary.wiley.com/doi/10.1111/phpp.12109">preventing skin damage</a>, photoaging and skin cancers. The most robust trials suggest daily sunscreen use is most effective, but this will be dependent on the factors discussed above. <h2>The effects of altitude and snow</h2> One place where winter sunscreen use is especially important is when skiing or snowboarding – or when you’re otherwise going to be outside for extended periods of time, at higher altitudes on snow-covered mountains. Both altitude and snow can increase the doses of <a href="https://www.who.int/news-room/questions-and-answers/item/radiation-ultraviolet-(uv)">UVA and UVB radiation</a> a person receives. Snow can reflect up to 80% of UV radiation emitted by the Sun – effectively almost doubling the doses received. Also, for every 1,000-foot increase in altitude, there’s a 10% increase in UV exposure. This is why it’s essential to protect the skin and eyes by wearing sunscreen, protective clothing and sunglasses that block both types of UV ray. This is also true when spending time in snowy environments, such as when hiking or skating. Sunscreens are generally regarded as safe and tend to have few adverse effects, so you don’t need to worry too much about wearing one throughout the year. However, there are some points to consider, especially if you have skin conditions. For example, sunscreen can <a href="https://www.byrdie.com/does-sunscreen-cause-acne-or-help-it-7546147">exacerbate acne</a> and cause <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7759112/">irritation and allergic reactions</a> – although these are rare. There are also emerging concerns from regulatory agencies about the <a href="https://jamanetwork.com/journals/jama/fullarticle/2759002">absorption of UV filters into the body</a>. However, the consequences of such absorption and the potential affects on health are not well defined and require more research. Still, the benefits of sunscreen have been widely demonstrated – as has their safety. So if you want to prevent premature signs of ageing, it’s important to use sunscreen at all times you may be exposed to the Sun – especially in the summer months. While the benefits of wearing sunscreen in winter are less well defined, there’s probably no harm in wearing one if you want to. If you decide to use sunscreen in winter, use ones that have broad spectrum five-star UVA protection. For day-to-day use, high SPF sunscreens are unlikely to provide a large benefit, particularly if spending only short periods outside. However, if skiing, a <a href="https://www.jaad.org/article/S0190-9622(17)31086-1/fulltext">high-SPF sunscreen</a> with five-star UVA protection would be beneficial.<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/219640/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/karl-lawrence-404481">Karl Lawrence</a>, Research fellow, <a href="https://theconversation.com/institutions/kings-college-london-1196">King's College London</a> Image credits: Getty Images 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/sunscreen-why-wearing-it-even-in-winter-could-be-a-good-idea-219640">original article</a>.

Beauty & Style

Why you should travel solo this summer

<a href="https://theconversation.com/profiles/claire-mccamley-446927">Claire McCamley</a>, <a href="https://theconversation.com/institutions/university-of-huddersfield-1226">University of Huddersfield</a> When you think about booking a summer holiday, you might think of trips with partners, friends or family. The idea of going on holiday alone can be daunting, or even unappealing. It raises all kinds of questions – who will you talk to? Who will you eat with? Will you be safe? There has long been a <a href="https://www.tandfonline.com/doi/abs/10.1080/0267257X.2015.1073170?journalCode=rjmm20">stigma against solo consumption</a>. Societal norms encourage us to be with someone – leisure experiences are billed as something to <a href="https://www.emerald.com/insight/content/doi/10.1108/IJCHM-06-2019-0584/full/pdf?title=dining-alone-improving-the-experience-of-solo-restaurant-goers">share with others</a>. There may also be a level of guilt or self-indulgence associated with solo travel, feeling as if you are shirking responsibility or abandoning time with family. An increase in <a href="https://www.euromonitor.com/article/single-person-households-to-record-128-percent-growth-by-2030">single-person households</a>, however, means the hospitality industry is now serving solo consumers in addition to families and couples. The continuously <a href="https://www.forbes.com/sites/adigaskell/2020/05/11/is-a-blurred-work-life-balance-the-new-normal/?sh=5c9db6341813">blurred line</a> between work and play, particularly for Millennials and younger generations, makes it easier to work remotely or travel as part of our jobs. We are more transient than ever, and have more opportunities to work and travel alone without feeling completely disconnected from the rest of our lives. In recent years, people have been <a href="https://www.telegraph.co.uk/travel/comment/whats-behind-the-rise-in-solo-travel/">increasingly</a> travelling alone – including younger vacationers. They also share their experiences to a large audience on social media – the hashtag #SoloTravel has over 7 million posts associated with it on Instagram. Solo travellers are taking part in the growing <a href="https://www.futuresplatform.com/blog/solo-economy-new-consumption-patterns">solo economy</a> – new products and services targeting the lone consumer. Hotels, <a href="https://www.ncl.com/uk/en/freestyle-cruise/solo-cruising">cruises</a>, restaurants, tourism <a href="https://www.flashpack.com/">companies</a> and festivals are showing how design, staff and technology can be tailored to accommodate – and even encourage – solo consumption in travel. <a href="https://journals.sagepub.com/doi/10.1177/14705931211017184">Our research</a> into the experience of solo consumers in coffee shops offers insight into how solo consumption can be as pleasurable and fulfilling as going with a partner or friend. Through <a href="https://www.research.ucsb.edu/sites/default/files/RD/docs/FREEWRITING-by-Peter-Elbow.pdf">freewriting</a> exercises, these consumers shared their own experiences. Their words offer some reasons you should try it too. <h2>Be together, alone</h2> Our research participants highlighted key factors that help them enjoy their solo experience – high seats and window views allowing them to sit back and observe others’ lives without any direct interaction or connection. You don’t need to arrive with others to feel part of a social environment. Alone in a crowded square or on a busy beach, the proximity of other people and their conversations can be a source of comfort, distraction or even entertainment. <blockquote> The seat is important -– I like the window especially a stool and “shelf” table facing out … I see people, imagine their lives, see cars and life pass by. I watch other customers, I watch the street out the window, the cliché of “watching the world pass by”. The setting, context and environment of the café are important to that moment of pause. </blockquote> <h2>Take time for yourself</h2> Being alone can be a <a href="https://journals.sagepub.com/doi/pdf/10.1177/14705931211017184">therapeutic experience</a>, a time to process thoughts, feelings and emotions and leave you ready to tackle the world again. Perhaps take time to write, draw or practice another creative activity in your own time. Bask in your own thoughts without feeling pressure to please anyone else or force a conversation. <blockquote> Sitting alone with my thoughts can be a comforting experience; picking a seat, getting comfy…I can find silence with my thoughts and don’t feel any pressure to act for anybody or involve myself in a conversation that doesn’t interest me. </blockquote> <h2>Get out of your comfort zone</h2> Being able to do your own thing, without needing to consider others can be relaxing and can also give you the opportunity to do something you’ve never done before, free of judgement. You might want to go to some sort of class, shop or have a complete chill-out day. Findings from our research indicate that time spent doing things alone can relieve some of the pressures that companions can bring. Alone time gives you the space to experience things in your own time and take in your surroundings without distraction. In doing this, you may find yourself in new situations, away from your comfort zone – an energising and enthralling experience. <h2>Embrace solo traveller culture</h2> Solo travellers have their <a href="https://www.sciencedirect.com/science/article/pii/S0278431921002516">own way of doing things</a>, they have a shared behaviour and process and often become a collective in themselves. They acknowledge the process of travelling alone and respect others doing the same, and may even seek out spaces to be alone, together. Solo travellers can engage in a shared experience and dialogue while maintaining their own individualism – helping each other when needed, but also leave one another alone. <blockquote> We search for places where we feel we fit … We are happy to smile at one another. We don’t need to chat to engage. We are happy on our own with a coffee. I am amongst my tribe.<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/184000/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> </blockquote> <a href="https://theconversation.com/profiles/claire-mccamley-446927">Claire McCamley</a>, Senior Lecturer in marketing, <a href="https://theconversation.com/institutions/university-of-huddersfield-1226">University of Huddersfield</a> Image credits: Getty Images 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-you-should-travel-solo-this-summer-184000">original article</a>.

Travel Tips

Why our voices change as we get older

<a href="https://theconversation.com/profiles/adam-taylor-283950">Adam Taylor</a>, <a href="https://theconversation.com/institutions/lancaster-university-1176">Lancaster University</a> Sir Elton John set a record at this year’s Glastonbury, becoming the <a href="https://www.independent.co.uk/arts-entertainment/music/news/elton-john-glastonbury-viewing-record-b2364260.html">most-watched headliner</a> in the festival’s history, with more than 7 million people tuning in live to the BBC to watch his last ever UK performance. The 76-year-old singer certainly delivered all his characteristic showmanship. But many who have followed his music over the decades will have noticed how much his voice has changed during his career – and not only because of the <a href="https://www.billboard.com/music/music-news/a-qa-with-elton-john-65620/">surgery he had</a> in the 1980s to <a href="https://ultimateclassicrock.com/elton-john-throat-surgery/">remove polyps</a> from his vocal cords. Equally, it’s not all down to the process of ageing. While it’s no mystery that this affects every part of our body, it isn’t the only reason that a person’s voice – even a professional singer like Sir Elton – can sound quite different over the years. <h2>The sound of your voice</h2> The vocal cords are what produce the sound of your voice. They are located in the <a href="https://www.ncbi.nlm.nih.gov/books/NBK538202/">larynx</a>, a part of the respiratory system that allows air to pass from your throat to your lungs. When air passes out of the lungs and through the larynx, it causes the vocal cords to vibrate – <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5412481/">producing sound</a>. The vocal cords are composed of <a href="https://www.kenhub.com/en/library/anatomy/vocal-cords">three main parts</a>: the vocalis muscle, vocal ligament, and a mucous membrane (containing glands) to cover them. This keeps the surface moist and <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2810851/">protects them from damage</a>. There are also approximately <a href="https://radiopaedia.org/articles/intrinsic-muscles-of-the-larynx?lang=gb">17 other muscles</a> in the larynx that can alter vocal cord position and tension – thus changing the sound produced. Pre-puberty, there’s very little difference in the sound the vocal cords produce. But during puberty, hormones begin exerting their effects. This changes the structure of the larynx – making the “Adam’s apple” more prominent in men – and the <a href="https://www.sciencedirect.com/science/article/abs/pii/S0018506X16301271?via%3Dihub">length of the vocal cords</a>. After puberty, they’re around 16mm in length in men, and 10mm in women. Women’s vocal cords are also <a href="https://pubs.aip.org/asa/jasa/article/82/S1/S90/719336/Physiology-of-the-female-larynx">20-30%</a> thinner after puberty. These shorter, thinner vocal cords are the reason why women typically have <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3306615">higher voices</a> than men. Even after puberty, hormones can affect the voice. For instance, a woman’s voice may sound different depending on the stage of her menstrual cycle – with the <a href="https://www.jvoice.org/article/S0892-1997(08)00169-0/fulltext">best voice quality</a> being in the ovulatory phase. This is because the glands produce most mucous during this phase, giving the vocal cords their best functional ability. Research also shows that women taking the contraceptive pill show <a href="https://www.sciencedirect.com/science/article/abs/pii/S0892199717304940">less variation in voice quality</a> because the pill halts ovulation. On the other hand, hormonal changes during the premenstrual phase impede the vocal cords, making them stiffer. This may explain why opera singers would be offered “<a href="https://www.sciencedirect.com/science/article/abs/pii/S0892199717301133">grace days</a>” in the 1960s to ensure they didn’t damage their vocal cords. And, because <a href="https://www.asha.org/practice-portal/clinical-topics/voice-disorders/#collapse_1">women’s vocal cords</a> are thinner, they may also be more likely to <a href="https://pubmed.ncbi.nlm.nih.gov/15157130/">suffer damage</a> from overuse. <h2>Everything ages</h2> As with almost every other part of the body, vocal cords age. But these changes might not be as <a href="https://www.sciencedirect.com/science/article/pii/S0892199721000011">noticeable for everyone</a>. As we get older, the larynx begins increasing its <a href="https://www.sciencedirect.com/science/article/abs/pii/S1752928X21001840">mineral content</a>, making it stiffer and more like bone than cartilage. This change can begin happening as early as <a href="https://meridian.allenpress.com/angle-orthodontist/article/75/2/196/57743/Ossification-of-Laryngeal-Cartilages-on-Lateral">your thirties</a> – especially in men. This makes the vocal cords less flexible. The muscles that allow the vocal cords to move also <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6166195/">begin wasting</a> (as do our other muscles) as we age. The ligaments and tissues that support the vocal cords also <a href="https://pubmed.ncbi.nlm.nih.gov/11800365/">lose elasticity</a>, becoming <a href="https://pubmed.ncbi.nlm.nih.gov/25645525/">less flexible</a>. There’s also a decrease in <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2695176/">pulmonary muscle function</a>, reducing the power of the air expelled from the lungs to create the sound. The number of glands that produce the protective mucus also decrease, alongside a reduction in the ability to <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10156980/">control the larynx</a>. <h2>Lifestyle is a factor</h2> While vocal cords age at largely the same rate in most people, many lifestyle factors can increase the risk of damage to them – and so can change the way your voice sounds. Smoking, for example, causes <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3918293/">localised inflammation</a>, increased <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4824943/">mucous production</a>, but can also <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4557797/">dry out</a> the mucosal surfaces. Alcohol has a <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6166195/">similar effect</a>. Over time, these factors can damage the vocal cords and alter the voice’s sound. Some over-the-counter and prescription drugs can also alter the voice – such as <a href="https://jamanetwork.com/journals/jamaotolaryngology/fullarticle/482932">steroid inhalers used for laryngitis</a>. Blood thinners may also <a href="https://pubmed.ncbi.nlm.nih.gov/10875579/">damage the vocal cords</a> and can cause polyps to form, making the voice sound raspy or hoarse. <a href="https://pubmed.ncbi.nlm.nih.gov/7395839/">Muscle relaxants</a>, too, can lead to irritation and vocal cord damage due to the drug allowing stomach acid to wash back into the larynx. Thankfully, the irritation and changes caused by these medications typically disappears after stopping use. One other lifestyle factor can be overuse, which is typically seen in singers and other people who use their voice a lot <a href="https://pubmed.ncbi.nlm.nih.gov/15157130/">during work</a>, such as teachers and fitness instructors. This can lead to an uncommon condition called <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9392404/">Reinke’s oedema</a>, which can also be caused by smoking. Reinke’s oedema causes fluid to swell in the vocal cords, changing the pitch of the voice – often <a href="https://www.cuh.nhs.uk/patient-information/reinkes-oedema/">making it deeper</a>. In extreme cases of Reinke’s oedema, <a href="https://link.springer.com/article/10.1007/s00405-022-07377-9">surgery is needed</a> to drain the fluid. But in most cases, rest and avoiding irritants (smoking and alcohol) is beneficial, while speech and language therapy can also address the <a href="https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1460-6984.1995.tb01660.x">change in sound</a>. <h2>Maintaining our vocal quality</h2> While we can’t help some of the age-related changes that happen to our vocal cords, we can maintain some of our vocal quality and ability through continued use. This may explain why, in many cases, singers show <a href="https://pubmed.ncbi.nlm.nih.gov/27049451/">significantly less vocal change</a> with age than their non-singing counterparts. Singing or <a href="https://www.aarp.org/health/healthy-living/info-2014/improve-aging-voice.html">reading out</a> loud daily can give the vocal cords sufficient exercise to slow their decline. <a href="https://www.nidcd.nih.gov/health/taking-care-your-voice">Looking after</a> your vocal cords is also important. Staying hydrated and limiting intake of <a href="https://www.cuh.nhs.uk/patient-information/presbyphonia/">alcohol</a> and <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7069957/">tobacco</a> can help prevent high rates of decline and damage.<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/208640/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: Getty Images 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-our-voices-change-as-we-get-older-208640">original article</a>.

Body

Flight attendant reveals why planes have tiny holes in their windows

Have you ever wondered why there are tiny holes at the bottom of a plane window? Flight attendant Henny Lim has revealed the reason why they are there, and why it is such an important feature on planes. The tiny hole, otherwise known as a “bleed hole” serves as a major safety function to help balance the pressure difference between the cabin and the outside air. “If you’ve ever sat in the window seat on a flight, you’ve probably noticed the tiny hole at the bottom of the window,” she said. This is because cabin windows on commercial planes are usually made up of three layers of glass and acrylic to keep them strong and insulated. The bleed hole allows for a controlled flow of air between the layers, equalising the pressure and reducing stress on the window panes. It also helps prevent condensation as the temperature changes at higher altitudes, allowing a small amount of dry air to flow between the three layers, which keeps the windows clear. “It also has another purpose, which is to release moisture and stop frost or condensation from blocking your view,” Lim added. Lim has grown a following on social media for sharing insider tips and knowledge on planes and flying, including why flight attendants sit on their hands during take-off and landing. Images: TikTok

Travel Tips

Why do I need to get up during the night to wee? Is this normal?

<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> It can be normal to wake up once or even twice during the night to wee, especially as we get older. One in three adults over 30 makes <a href="https://pubmed.ncbi.nlm.nih.gov/30085529">at least two</a> trips to the bathroom every night. Waking up from sleep to urinate on a regular basis is called <a href="https://www.ncbi.nlm.nih.gov/books/NBK518987/">nocturia</a>. It’s one of the most commonly reported <a href="https://pubmed.ncbi.nlm.nih.gov/32249998/">bothersome urinary symptoms</a> (others include urgency and poor stream). So what causes nocturia, and how can it affect wellbeing? <h2>A range of causes</h2> Nocturia can be caused by a variety of <a href="https://www.health.gov.au/sites/default/files/nocturia-going-to-the-toilet-at-night_0.pdf">medical conditions</a>, such as heart or kidney problems, poorly controlled diabetes, bladder infections, an <a href="https://www.nature.com/articles/s41598-023-44916-8">overactive bladder</a>, or gastrointestinal issues. Other causes include pregnancy, <a href="https://onlinelibrary.wiley.com/doi/10.1002/nau.24839">medications</a> and consumption of alcohol or caffeine before bed. While nocturia causes disrupted sleep, the reverse is true as well. Having broken sleep, or <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4055528/">insomnia</a>, can also cause nocturia. When we sleep, an antidiuretic hormone is released that slows down the rate at which our <a href="https://theconversation.com/is-urine-sterile-do-urine-therapies-work-experts-debunk-common-pee-myths-191862">kidneys produce urine</a>. If we lie awake at night, less of this hormone <a href="https://journals.physiology.org/doi/full/10.1152/ajprenal.00025.2023">is released</a>, meaning we continue to produce normal rates of urine. This can accelerate the rate at which we fill our bladder and need to get up during the night. Stress, <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4153377/">anxiety</a> and watching television <a href="https://www.ncbi.nlm.nih.gov/books/NBK518987">late into the night</a> are common causes of insomnia. <h2>Effects of nocturia on daily functioning</h2> The recommended amount of sleep for adults is between <a href="https://www.nhlbi.nih.gov/health/sleep/how-much-sleep">seven and nine hours</a> per night. The more times you have to get up in the night to go to the bathroom, the more this impacts <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3602727/#:%7E:text=Nocturia%20is%2C%20however%2C%20an%20important,(QoL)%20and%20general%20health.">sleep quantity and quality</a>. Decreased sleep can result in increased <a href="https://hqlo.biomedcentral.com/articles/10.1186/s12955-019-1251-5">tiredness</a> during the day, poor concentration, forgetfulness, changes in mood and impaired <a href="https://pubmed.ncbi.nlm.nih.gov/28425062/">work performance</a>. If you’re missing out on quality sleep due to nighttime trips to the bathroom, this can affect your quality of life. In more severe cases, nocturia has been compared to having a similar impact on <a href="https://www.racgp.org.au/getattachment/b43c05ba-e29e-47c3-b816-ec47ceeafe97/Nocturia-a-guide-to-assessment-and-management.aspx">quality of life</a> as diabetes, high blood pressure, chest pain, and some forms of arthritis. Also, frequent disruptions to quality and quantity of sleep can have longer-term health impacts. Nocturia not only upsets sleep, but also increases the risk of <a href="https://www.auajournals.org/doi/10.1097/JU.0000000000000459">falls</a> from moving around in the dark to go to the bathroom. Further, it can affect sleep partners or others in the household who may be disturbed when you get out of bed. <h2>Can you have a ‘small bladder’?</h2> It’s a common misconception that your trips to the bathroom are correlated with the size of your bladder. It’s also unlikely your bladder is <a href="https://youtu.be/blVmyrBPves">smaller</a> relative to your other organs. If you find you are having to wee more than your friends, this could be due to body size. A smaller person drinking the same amount of fluids as someone larger will simply need to go the bathroom more often. <figure><iframe src="https://www.youtube.com/embed/blVmyrBPves?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption>Can you have a small bladder?</figcaption></figure> If you find you are going to the bathroom quite a lot during the day and evening (<a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5903463/">more than eight times</a> in 24 hours), this could be a symptom of an overactive bladder. This often presents as frequent and sudden urges to urinate. If you are concerned about any lower urinary tract symptoms, it’s worth having a chat with your family GP. There are some medications that can assist in the management of nocturia, and your doctor will also be able to help identify any underlying causes of needing to go to the toilet during the night. <h2>A happy and healthy bladder</h2> Here are some tips to maintain a happy and <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3206217/">healthy</a> bladder, and reduce the risk you’ll be up at night: <ul> <li> make your <a href="https://theconversation.com/what-position-should-i-sleep-in-and-is-there-a-right-way-to-sleep-189873">sleep environment comfortable</a>, with a suitable mattress and sheets to suit the temperature </li> <li> get to bed early, and limit <a href="https://www.ncbi.nlm.nih.gov/books/NBK518987/">screens</a>, or activites before bed </li> <li> limit foods and drinks that irritate the bladder, such as <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9811496/">coffee or alcohol</a>, especially before bedtime </li> <li> sit in a <a href="https://theconversation.com/does-it-matter-if-you-sit-or-stand-to-pee-and-what-about-peeing-in-the-shower-206869">relaxed position</a> when urinating, and allow time for the bladder to completely empty </li> <li> practice <a href="https://www.continence.org.au/about-continence/continence-health/pelvic-floor">pelvic floor muscle exercises</a> </li> <li> drink an adequate amount of fluids during the day, and avoid becoming <a href="https://www.health.gov.au/sites/default/files/nocturia-going-to-the-toilet-at-night_0.pdf">dehydrated</a> </li> <li> maintain a healthy lifestyle, eat <a href="https://journals.physiology.org/doi/full/10.1152/advan.00052.2023">nutritious foods</a> and do not do anything harmful to the body such as smoking or using illicit drugs </li> <li> review your medications, as the time you take some <a href="https://www.health.gov.au/sites/default/files/nocturia-going-to-the-toilet-at-night_0.pdf">pharmaceuticals</a> may affect urine production or sleep </li> <li> if you have <a href="https://pubmed.ncbi.nlm.nih.gov/28675633/">swollen legs</a>, raise them a few hours before bedtime to let the <a href="https://www.racgp.org.au/afp/2012/june/nocturia-a-guide-to-assessment-and-management">fluid drain</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/224160/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> </li> </ul> <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: Getty Images 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-do-i-need-to-get-up-during-the-night-to-wee-is-this-normal-224160">original article</a>.

Body

Why and how often do I need to wash makeup brushes and sponges?

<a href="https://theconversation.com/profiles/enzo-palombo-249510">Enzo Palombo</a>, <a href="https://theconversation.com/institutions/swinburne-university-of-technology-767">Swinburne University of Technology</a> and <a href="https://theconversation.com/profiles/rosalie-hocking-1428271">Rosalie Hocking</a>, <a href="https://theconversation.com/institutions/swinburne-university-of-technology-767">Swinburne University of Technology</a> From the bristles of brushes to the porous surfaces of sponges, your makeup kit can harbour a host of bacteria and fungi. These potentially hazardous contaminants can originate not only from the cosmetics themselves, but also from the very surface of our skin. So, how can we keep things hygienic and avoid microbial growth on makeup brushes and sponges? Here’s what you need to know. <h2>How do germs and fungi get in my brushes and sponges?</h2> Germs and fungi can make their way into your makeup kit in lots of ways. Ever flushed a toilet with the lid open with your makeup brushes nearby? There’s a good chance <a href="https://theconversation.com/mobile-phones-are-covered-in-germs-disinfecting-them-daily-could-help-stop-diseases-spreading-135318">faecal particles</a> have landed on them. Perhaps a family member or housemate has used your eyeshadow brush when you weren’t looking, and transferred some microbes across in the process. Bacteria that trigger a pimple outbreak can be easily transferred from the surface of your skin to a makeup brush or sponge. And tiny little mites called Demodex mites, which have been linked to certain rashes and acne, live on your skin, as well, and so may end up in your sponge or brushes. Bacterial contamination of <a href="https://pubmed.ncbi.nlm.nih.gov/38020232/">lip cosmetics</a>, in particular, can pose a risk of skin and eye infections (so keep that in mind if you use lip brushes). Lipsticks are frequently contaminated with bacteria such as Staphylococcus aureus, E. coli, and Streptococcus pneumoniae. Low-quality cosmetics are more likely to have higher and more diverse microbial growth compared to <a href="https://www.sciencedirect.com/science/article/pii/S1319562X23002978?pes=vor">high-quality cosmetics</a>. Brushes exposed to sensitive areas like the eyes, mouth and nose are particularly susceptible to being potential sources of infection. The range of conditions caused by these microorganisms includes: <ul> <li> abscesses </li> <li> skin and soft tissue infections </li> <li> skin lesions </li> <li> rashes </li> <li> and dermatitis. </li> </ul> In severe cases, infections can lead to invasion of the bloodstream or deep tissues. Commercially available cosmetics contain varying amounts and types of preservatives aimed at inhibiting the growth of fungi and bacteria. But when you apply makeup, different cosmetics with unique formulations of preservatives can become mixed. When a preservative meant for one product mixes with others, it might not work as well because they have different water amounts or pH levels. So preservatives are not foolproof. We also need to observe good hygiene practices when it comes to brushes and other cosmetics applicators. <h2>Keeping brushes clean</h2> Start with the basics: never <a href="https://www.semanticscholar.org/paper/Isolation-of-Pathogenic-Microbes-from-Beauty-Salons-Hassan-Hamad/0199635290628fe326fcd04a2b8a2422884a8240">share makeup brushes or sponges</a>. Everyone carries different microbes on their skin, so sharing brushes and sponges means you are also sharing germs and fungi. If you need to share makeup, use something disposable to apply it, or make sure any shared brushes are washed and sterilised before the next person uses it. Clean makeup brushes by washing with hot soapy water and rinsing thoroughly. How often? Stick to a cleaning routine you can repeat with consistency (as opposed to a deep clean that is done annually). <a href="https://www.aad.org/public/everyday-care/skin-care-secrets/routine/clean-your-makeup-brushes#:%7E:text=To%20protect%20your%20skin%20and,every%207%20to%2010%20days.">Once a week</a> might be a good goal for some, while others may need to wash more regularly if they are heavy users of makeup. Definitely wash straight away if someone else has used your brushes or sponges. And if you’ve had an eye infection such as conjunctivitis, ensure you clean applicators thoroughly after the infection has resolved. You can use bactericidal soap, 70% ethanol or chlorhexidine solutions to wash. Just make sure you wash very thoroughly with hot water after, as some of these things can irritate your skin. (While some people online say alcohol can degrade brushes and sponges, opinion seems to be mixed; in general, most disinfectants are unlikely to cause significant corrosion.) For some brushes, heating or steaming them and letting them dry may also be an effective sterilisation method once they are washed with detergent. Microwaving sponges isn’t a good idea because while the heat generated by a domestic microwave would kill microbes, it would need temperatures approaching 100°C for a decent period of time (at least several minutes). The heat could melt some parts of the sponge and hot materials could be a scalding hazard. Once clean, ensure brushes and sponges are stored in a dry place away from water sources (and not near an open toilet). If you’re having makeup applied professionally, brushes and applicators should be sterilised or changed from person to person. <h2>Should I wash them with micellar water?</h2> No. Not only is this expensive, it’s unnecessary. The same benefits can be achieved with cheaper detergents or alcohol (just rinse brushes carefully afterwards). Disinfection methods such as using bactericidal soap, 70% ethanol, or chlorhexidine are all very good at reducing the amount of microbes on your brushes and sponges.<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/220280/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/enzo-palombo-249510">Enzo Palombo</a>, Professor of Microbiology, <a href="https://theconversation.com/institutions/swinburne-university-of-technology-767">Swinburne University of Technology</a> and <a href="https://theconversation.com/profiles/rosalie-hocking-1428271">Rosalie Hocking</a>, <a href="https://theconversation.com/institutions/swinburne-university-of-technology-767">Swinburne University of Technology</a> Image credits: Getty Images 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-and-how-often-do-i-need-to-wash-makeup-brushes-and-sponges-220280">original article</a>.

Beauty & Style

I want to eat healthily. So why do I crave sugar, salt and carbs?

<a href="https://theconversation.com/profiles/hayley-oneill-1458016">Hayley O'Neill</a>, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a> We all want to eat healthily, especially as we reset our health goals at the start of a new year. But sometimes these plans are sabotaged by powerful cravings for sweet, salty or carb-heavy foods. So why do you crave these foods when you’re trying to improve your diet or lose weight? And what can you do about it? There are many reasons for craving specific foods, but let’s focus on four common ones: <h2>1. Blood sugar crashes</h2> Sugar is a key energy source for all animals, and its taste is one of the most basic sensory experiences. Even without specific sweet taste receptors on the tongue, a strong preference for sugar can develop, indicating a mechanism beyond taste alone. Neurons <a href="https://www.nature.com/articles/s41593-021-00982-7">responding to sugar</a> are activated when sugar is delivered to the gut. This can increase appetite and make you want to consume more. Giving into cravings also drives an appetite for more sugar. In the long term, research suggests a high-sugar diet can affect <a href="https://www.bmj.com/content/369/bmj.m2382">mood</a>, digestion and <a href="https://pubmed.ncbi.nlm.nih.gov/33339337/">inflammation</a> in the <a href="https://www.science.org/doi/10.1126/scitranslmed.aay6218?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%20%200pubmed">gut</a>. While there’s a lot of <a href="https://www.sciencedirect.com/science/article/pii/S0149763402000040?via%3Dihub#aep-section-id23">variation between individuals</a>, regularly eating sugary and high-carb foods can lead to <a href="https://pubmed.ncbi.nlm.nih.gov/30951762/">rapid spikes and crashes</a> in blood sugar levels. When your blood sugar drops, your body can respond by craving quick sources of energy, often in the form of sugar and carbs because these deliver the fastest, most easily accessible form of energy. <h2>2. Drops in dopamine and serotonin</h2> Certain neurotransmitters, such as <a href="https://pubmed.ncbi.nlm.nih.gov/30595479/">dopamine</a>, are involved in the reward and pleasure centres of the brain. Eating sugary and carb-rich foods can trigger the release of dopamine, creating a pleasurable experience and reinforcing the craving. Serotonin, the feel-good hormone, suppresses <a href="https://www.sciencedirect.com/science/article/pii/S1569733910700886">appetite</a>. Natural changes in serotonin can influence daily fluctuations in mood, energy levels and attention. It’s also associated with eating more <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5829131/">carb-rich snacks in the afternoon</a>. <a href="https://pubmed.ncbi.nlm.nih.gov/21985780/">Low carb diets</a> may reduce serotonin and lower mood. However, a recent systematic review suggests little association between these diets and risk for <a href="https://www.sciencedirect.com/science/article/pii/S0165032722013933?via%3Dihub">anxiety and depression</a>. Compared to men, <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4189179/">women tend to crave more carb rich foods</a>. Feeling irritable, tired, depressed or experiencing carb cravings are part of premenstrual <a href="https://pubmed.ncbi.nlm.nih.gov/29218451/">symptoms</a> and could be <a href="https://www.ncbi.nlm.nih.gov/books/NBK560698/">linked to</a> reduced <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9928757/">serotonin levels</a>. <h2>3. Loss of fluids and drops in blood sugar and salt</h2> Sometimes our bodies crave the things they’re missing, such as hydration or even salt. A low-carb diet, for example, <a href="https://www.ncbi.nlm.nih.gov/books/NBK537084/">depletes</a> insulin levels, decreasing sodium and water retention. <a href="https://www.sciencedirect.com/science/article/pii/S1933287419302673">Very low-carb diets</a>, like ketogenic diets, induce “ketosis”, a metabolic state where the body switches to using fat as its primary energy source, moving away from the usual dependence on carbohydrates. Ketosis is often associated with increased urine production, further contributing to potential fluid loss, electrolyte imbalances and salt cravings. <h2>4. High levels of stress or emotional turmoil</h2> <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4214609/">Stress</a>, boredom and emotional turmoil can lead to cravings for comfort foods. This is because stress-related hormones can impact our appetite, satiety (feeling full) and food preferences. The stress hormone <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3425607/">cortisol</a>, in particular, can drive cravings for <a href="https://www.sciencedirect.com/science/article/abs/pii/S0306453000000354">sweet comfort foods</a>. A <a href="https://www.sciencedirect.com/science/article/abs/pii/S0306453000000354">2001 study</a> of 59 premenopausal women subjected to stress revealed that the stress led to higher calorie consumption. <a href="https://pubmed.ncbi.nlm.nih.gov/37295418/">A more recent study</a> found chronic stress, when paired with high-calorie diet, increases food intake and a preference for sweet foods. This shows the importance of a healthy diet during stress to prevent weight gain. <h2>What can you do about cravings?</h2> Here are four tips to curb cravings: 1) don’t cut out whole food groups. Aim for a well-balanced diet and make sure you include: <ul> <li> sufficient protein in your meals to help you feel full and reduce the urge to snack on sugary and carb-rich foods. Older adults should aim for 20–40g protein per meal with a particular focus on <a href="https://onlinelibrary.wiley.com/doi/epdf/10.1111/jhn.12838">breakfast and lunch</a> and an overall daily protein intake of at least <a href="https://apps.who.int/iris/handle/10665/43411">0.8g</a> per kg of body weight for <a href="https://pubmed.ncbi.nlm.nih.gov/35187864/">muscle health</a> </li> <li> fibre-rich foods, such as vegetables and whole grains. These make you feel full and <a href="https://pubmed.ncbi.nlm.nih.gov/32142510/">stabilise your blood sugar</a> levels. Examples include broccoli, quinoa, brown rice, oats, beans, lentils and bran cereals. Substitute refined carbs high in sugar like processed snack bars, soft drink or baked goods for more complex ones like whole grain bread or wholewheat muffins, or nut and seed bars or energy bites made with chia seeds and oats </li> </ul> 2) manage your stress levels. Practise stress-reduction techniques like meditation, deep breathing, or yoga to manage emotional triggers for cravings. Practising <a href="https://pubmed.ncbi.nlm.nih.gov/30570305/">mindful eating</a>, by eating slowly and tuning into bodily sensations, can also reduce daily calorie intake and curb cravings and stress-driven eating 3) get enough sleep. Aim for <a href="https://pubmed.ncbi.nlm.nih.gov/33054337/">seven to eight</a> hours of quality sleep per night, with a minimum of seven hours. <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9031614/">Lack of sleep</a> can disrupt hormones that regulate hunger and cravings 4) control your portions. If you decide to indulge in a treat, control your portion size to avoid overindulging. Overcoming cravings for sugar, salt and carbs when trying to eat healthily or lose weight is undoubtedly a formidable challenge. Remember, it’s a journey, and setbacks may occur. Be patient with yourself – your success is not defined by occasional cravings but by your ability to manage and overcome them.<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/212114/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/hayley-oneill-1458016">Hayley O'Neill</a>, Assistant Professor, Faculty of Health Sciences and Medicine, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a> Image credits: Getty Images 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-want-to-eat-healthily-so-why-do-i-crave-sugar-salt-and-carbs-212114">original article</a>.

Food & Wine

Morbid reason why cruise ships throw "free ice cream parties" on board

Dara Starr Tucker, a former cruise ship employee has shared the morbid reason why they throw “free ice cream parties” on board. Tucker, a singer who spent six months living on a cruise ship in the Mediterranean and the Caribbean 10 years ago, shared what life was like at sea. In one of her latest videos, she answered one of her follower's question asking whether it was true that if cruise staff started giving away ice cream, it meant that they needed more freezer space for a body. “This is unfortunately often true,” she said. “If the crew suddenly makes a bunch of ice cream available to passengers, ‘Free ice cream party’, it is often because more people have died on the ship than they have room for in the morgue.” She said that most large ships are legally required to maintain a morgue and carry body bags in the event a passenger dies mid-journey and added that she “thankfully” didn't have to deal with the "morbid stuff". “But we were friends with some crew members who did deal with it and they said maybe four to 10 people die every cruise,” she claimed. “There are a lot of older people on ships, and often (out of) a ship that carried maybe 2500 to 3000 passengers on a typical cruise, four to 10 people would die. “So the morgue, I believe they said held about seven people, and if more than seven people died on that particular ship, they would have to start moving bodies to the freezer.” She claimed that if employees would have to "make room for the extra bodies" in the freezer, they would have to take out everything including ice cream. Her video has been viewed over 2.3 million times, with many other cruise ship employees confirming her claims. “Cruise ship medic here. Can confirm the morgue and ice cream correlation,” one said. “Former sailor here — yes, it is accurate. Sometimes space needs to be made in the freezer," another added. Image: TikTok

Travel Trouble

Why Mary Poppins has received a new rating 60 years on

Almost 60 years after Mary Poppins was first released, the classic film has been given a new rating by the British Board of Film Classification (BBFC). The BBFC, which regulates films and video content in the country, changed the rating of the 1964 Disney musical last week from U (Universal) to PG (Parental Guidance) because it features a racial slur once used by white Europeans to refer to the native peoples of southern Africa. "Mary Poppins (1964) includes two uses of the discriminatory term 'hottentots'," a BBFC spokesperson said in a statement to CNN. "While Mary Poppins has a historical context, the use of discriminatory language is not condemned, and ultimately exceeds our guidelines for acceptable language at U." The approaching 60th anniversary of the film is what prompted the BBFC to reexamine the film, as it is set to return to UK cinemas in celebration of the milestone. Even as Mary Poppins remains a treasured part of UK culture, the film has long been criticised for the use of blackface. It's partly in this context that the discriminatory language referenced by BBFC appears in the film. In one scene, the eccentric Admiral Boom asks one of the Banks children if he is going on an adventure to "defeat hottentots." Later in the film, as Admiral Boom sees chimney sweeps with soot-blackened faces dancing in the distance, he shouts, "We're being attacked by hottentots!" and orders a cannon to be fired in their direction. "Hottentot" is a derogatory term used by European settlers to refer to Khoikhoi peoples of South Africa and Namibia, according to the Oxford Dictionary reference. Per the new film rating, children of any age can still watch without an adult present, but parents should consider whether the content might upset younger or more sensitive children, a BBFC spokesperson said. Image credits: Disney

Movies

Why do I keep getting urinary tract infections? And why are chronic UTIs so hard to treat?

<a href="https://theconversation.com/profiles/iris-lim-1204657">Iris Lim</a>, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a> Dealing with chronic urinary tract infections (UTIs) means facing more than the occasional discomfort. It’s like being on a never ending battlefield against an unseen adversary, making simple daily activities a trial. UTIs happen when bacteria sneak into the urinary system, causing pain and frequent trips to the bathroom. Chronic UTIs take this to the next level, coming back repeatedly or never fully going away despite treatment. <a href="https://www.ncbi.nlm.nih.gov/books/NBK557479/">Chronic UTIs</a> are typically diagnosed when a person experiences two or more infections within six months or three or more within a year. They can happen to anyone, but some are more prone due to their <a href="https://www.urologyhealth.org/urology-a-z/u/urinary-tract-infections-in-adults">body’s makeup or habits</a>. Women are more likely to get UTIs than men, due to their shorter urethra and hormonal changes during menopause that can decrease the protective lining of the urinary tract. Sexually active people are also at greater risk, as bacteria can be transferred around the area. Up to <a href="https://www.urologyhealth.org/urology-a-z/u/urinary-tract-infections-in-adults#Related%20Resources">60% of women</a> will have at least one UTI in their lifetime. While effective treatments exist, <a href="https://www.health.harvard.edu/bladder-and-bowel/when-urinary-tract-infections-keep-coming-back#:%7E:text=Your%20urine%20might%20be%20cloudy,they%20take%20on%20your%20life.">about 25%</a> of women face recurrent infections within six months. Around <a href="https://sciendo.com/article/10.33073/pjm-2019-048?tab=article">20–30%</a> of UTIs don’t respond to standard antibiotic. The challenge of chronic UTIs lies in bacteria’s ability to shield themselves against treatments. <h2>Why are chronic UTIs so hard to treat?</h2> Once thought of as straightforward infections cured by antibiotics, we now know chronic UTIs are complex. The cunning nature of the bacteria responsible for the condition allows them to hide in bladder walls, out of antibiotics’ reach. The bacteria form biofilms, a kind of protective barrier that makes them nearly impervious to standard antibiotic treatments. This ability to evade treatment has led to a troubling <a href="https://theconversation.com/rising-antibiotic-resistance-in-utis-could-cost-australia-1-6-billion-a-year-by-2030-heres-how-to-curb-it-149543">increase in antibiotic resistance</a>, a global health concern that renders some of the conventional treatments ineffective. Antibiotics need to be advanced to keep up with evolving bacteria, in a similar way to the flu vaccine, which is updated annually to combat the latest strains of the flu virus. If we used the same flu vaccine year after year, its effectiveness would wane, just as overused antibiotics lose their power against bacteria that have adapted. But fighting bacteria that resist antibiotics is much tougher than updating the flu vaccine. Bacteria change in ways that are harder to predict, making it more challenging to create new, effective antibiotics. It’s like a never-ending game where the bacteria are always one step ahead. Treating chronic UTIs still relies heavily on antibiotics, but doctors are getting crafty, changing up medications or prescribing low doses over a longer time to outwit the bacteria. Doctors are also placing a greater emphasis on thorough diagnostics to accurately identify chronic UTIs from the outset. By asking detailed questions about the duration and frequency of symptoms, health-care providers can better distinguish between isolated UTI episodes and chronic conditions. The approach to initial treatment can significantly influence the likelihood of a UTI becoming chronic. Early, targeted therapy, based on the specific bacteria causing the infection and its antibiotic sensitivity, may reduce the risk of recurrence. For post-menopausal women, <a href="https://link.springer.com/article/10.1007/s00192-020-04397-z">estrogen therapy</a> has shown promise in reducing the risk of recurrent UTIs. After menopause, the decrease in estrogen levels can lead to changes in the urinary tract that makes it more susceptible to infections. This treatment restores the balance of the vaginal and urinary tract environments, making it less likely for UTIs to occur. Lifestyle changes, such as <a href="https://journals.lww.com/co-nephrolhypertens/FullText/2013/05001/Impact_of_fluid_intake_in_the_prevention_of.1.aspx">drinking more water</a> and practising good hygiene like washing hands with soap after going to the toilet and the recommended front-to-back wiping for women, also play a big role. Some swear by cranberry juice or supplements, though researchers are still figuring out <a href="https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD001322.pub2/full">how effective these remedies truly are</a>. <h2>What treatments might we see in the future?</h2> Scientists are currently working on new treatments for chronic UTIs. One promising avenue is the development of <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10052183/pdf/pathogens-12-00359.pdf">vaccines</a> aimed at preventing UTIs altogether, much like flu shots prepare our immune system to fend off the flu. Another new method being looked at is called <a href="https://link.springer.com/article/10.1007/s12223-019-00750-y">phage therapy</a>. It uses special viruses called bacteriophages that go after and kill only the bad bacteria causing UTIs, while leaving the good bacteria in our body alone. This way, it doesn’t make the bacteria resistant to treatment, which is a big plus. Researchers are also exploring the potential of <a href="https://www.mdpi.com/2079-6382/12/1/167">probiotics</a>. Probiotics introduce beneficial bacteria into the urinary tract to out-compete harmful pathogens. These good bacteria work by occupying space and resources in the urinary tract, making it harder for harmful pathogens to establish themselves. Probiotics can also produce substances that inhibit the growth of harmful bacteria and enhance the body’s immune response. Chronic UTIs represent a stubborn challenge, but with a mix of current treatments and promising research, we’re getting closer to a day when chronic UTIs are a thing of the past.<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/223008/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/iris-lim-1204657">Iris Lim</a>, Assistant Professor, <a href="https://theconversation.com/institutions/bond-university-863">Bond University</a> Image credits: Getty Images 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-do-i-keep-getting-urinary-tract-infections-and-why-are-chronic-utis-so-hard-to-treat-223008">original article</a>.

Body

Why prices are so high – 8 ways retail pricing algorithms gouge consumers

<a href="https://theconversation.com/profiles/david-tuffley-13731">David Tuffley</a>, <a href="https://theconversation.com/institutions/griffith-university-828">Griffith University</a> The just-released report of the inquiry into <a href="https://pricegouginginquiry.actu.org.au/">price gouging and unfair pricing</a> conducted by Allan Fels for the Australian Council of Trades Unions does more than identify the likely offenders. It finds the biggest are supermarkets, banks, airlines and electricity companies. It’s not enough to know their tricks. Fels wants to give the Australian Competition and Consumer Commission more power to investigate and more power to prohibit mergers. But it helps to know how they try to trick us, and how technology has enabled them to get better at it. After reading the report, I’ve identified eight key maneuvers. <h2>1. Asymmetric price movements</h2> Otherwise known as <a href="https://www.jstor.org/stable/25593733">Rocket and Feather</a>, this is where businesses push up prices quickly when costs rise, but cut them slowly or late after costs fall. It seems to happen for <a href="https://www.sciencedirect.com/science/article/abs/pii/S0140988323002074">petrol</a> and <a href="https://www.sciencedirect.com/science/article/abs/pii/S105905601730240X">mortgage rates</a>, and the Fels inquiry was presented with evidence suggesting it happens in supermarkets. Brendan O’Keeffe from NSW Farmers told the inquiry wholesale lamb prices had been falling for six months before six Woolworths announced a cut in the prices of lamb it was selling as a “<a href="https://pricegouginginquiry.actu.org.au/wp-content/uploads/2024/02/InquiryIntoPriceGouging_Report_web.pdf">Christmas gift</a>”. <h2>2. Punishment for loyal customers</h2> A <a href="https://theconversation.com/simple-fixes-could-help-save-australian-consumers-from-up-to-3-6-billion-in-loyalty-taxes-119978">loyalty tax</a> is what happens when a business imposes higher charges on customers who have been with it for a long time, on the assumption that they won’t move. The Australian Securities and Investments Commission has alleged a big <a href="https://theconversation.com/how-qantas-might-have-done-all-australians-a-favour-by-making-refunds-so-hard-to-get-213346">insurer</a> does it, setting premiums not only on the basis of risk, but also on the basis of what a computer model tells them about the likelihood of each customer tolerating a price hike. The insurer disputes the claim. It’s often done by offering discounts or new products to new customers and leaving existing customers on old or discontinued products. It happens a lot in the <a href="https://www.finder.com.au/utilities-loyalty-costing-australians-billions-2024">electricity industry</a>. The plans look good at first, and then less good as providers bank on customers not making the effort to shop around. Loyalty taxes appear to be less common among mobile phone providers. Australian laws make it easy to switch <a href="https://www.reviews.org/au/mobile/how-to-switch-mobile-carriers-and-keep-your-number/">and keep your number</a>. <h2>3. Loyalty schemes that provide little value</h2> Fels says loyalty schemes can be a “low-cost means of retaining and exploiting consumers by providing them with low-value rewards of dubious benefit”. Their purpose is to lock in (or at least bias) customers to choices already made. Examples include airline frequent flyer points, cafe cards that give you your tenth coffee free, and supermarket points programs. The purpose is to lock in (or at least bias) consumers to products already chosen. The <a href="https://www.accc.gov.au/consumers/advertising-and-promotions/customer-loyalty-schemes">Australian Competition and Consumer Commission</a> has found many require users to spend a lot of money or time to earn enough points for a reward. Others allow points to expire or rules to change without notice or offer rewards that are not worth the effort to redeem. They also enable businesses to collect data on spending habits, preferences, locations, and personal information that can be used to construct customer profiles that allow them to target advertising and offers and high prices to some customers and not others. <h2>4. Drip pricing that hides true costs</h2> The Competition and Consumer Commission describes <a href="https://pricegouginginquiry.actu.org.au/wp-content/uploads/2024/02/InquiryIntoPriceGouging_Report_web.pdf">drip pricing</a> as “when a price is advertised at the beginning of an online purchase, but then extra fees and charges (such as booking and service fees) are gradually added during the purchase process”. The extras can add up quickly and make final bills much higher than expected. Airlines are among the best-known users of the strategy. They often offer initially attractive base fares, but then add charges for baggage, seat selection, in-flight meals and other extras. <h2>5. Confusion pricing</h2> Related to drip pricing is <a href="https://www.x-mol.net/paper/article/1402386414932836352">confusion pricing</a> where a provider offers a range of plans, discounts and fees so complex they are overwhelming. Financial products like insurance have convoluted fee structures, as do electricity providers. Supermarkets do it by bombarding shoppers with “specials” and “sales”. When prices change frequently and without notice, it adds to the confusion. <h2>6. Algorithmic pricing</h2> <a href="https://pricegouginginquiry.actu.org.au/wp-content/uploads/2024/02/InquiryIntoPriceGouging_Report_web.pdf">Algorithmic pricing</a> is the practice of using algorithms to set prices automatically taking into account competitor responses, which is something akin to computers talking to each other. When computers get together in this way they can <a href="https://www.x-mol.net/paper/article/1402386414932836352">act as it they are colluding</a> even if the humans involved in running the businesses never talk to each other. It can act even more this way when multiple competitors use the same third-party pricing algorithm, effectively allowing a single company to influence prices. <h2>7. Price discrimination</h2> Price discrimination involves charging different customers different prices for the same product, setting each price in accordance with how much each customer is prepared to pay. Banks do it when they offer better rates to customers likely to leave them, electricity companies do it when they offer better prices for business customers than households, and medical specialists do it when they offer vastly different prices for the same service to consumers with different incomes. It is made easier by digital technology and data collection. While it can make prices lower for some customers, it can make prices much more expensive to customers in a hurry or in urgent need of something. <h2>8. Excuse-flation</h2> <a href="https://www.bloomberg.com/news/articles/2023-03-09/how-excuseflation-is-keeping-prices-and-corporate-profits-high">Excuse-flation</a> is where general inflation provides “cover” for businesses to raise prices without justification, blaming nothing other than general inflation. It means that in times of general high inflation businesses can increase their prices even if their costs haven’t increased by as much. On Thursday Reserve Bank Governor <a href="https://www.afr.com/policy/economy/inflation-is-cover-for-pricing-gouging-rba-boss-says-20240215-p5f58d">Michele Bullock</a> seemed to confirm that she though some firms were doing this saying that when inflation had been brought back to the Bank’s target, it would be "much more difficult, I think, for firms to use high inflation as cover for this sort of putting up their prices." <h2>A political solution is needed</h2> Ultimately, our own vigilance won’t be enough. We will need political help. The government’s recently announced <a href="https://treasury.gov.au/review/competition-review-2023">competition review</a> might be a step in this direction. The legislative changes should police business practices and prioritise fairness. Only then can we create a marketplace where ethics and competition align, ensuring both business prosperity and consumer wellbeing. This isn’t just about economics, it’s about building a fairer, more sustainable Australia.<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/223310/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/david-tuffley-13731">David Tuffley</a>, Senior Lecturer in Applied Ethics & CyberSecurity, <a href="https://theconversation.com/institutions/griffith-university-828">Griffith University</a> Image credits: Getty Images 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-prices-are-so-high-8-ways-retail-pricing-algorithms-gouge-consumers-223310">original article</a>.

Money & Banking

Why it’s a bad idea to mix alcohol with some medications

<a href="https://theconversation.com/profiles/nial-wheate-96839">Nial Wheate</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>; <a href="https://theconversation.com/profiles/jasmine-lee-1507733">Jasmine Lee</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>; <a href="https://theconversation.com/profiles/kellie-charles-1309061">Kellie Charles</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>, and <a href="https://theconversation.com/profiles/tina-hinton-329706">Tina Hinton</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a> Anyone who has drunk alcohol will be familiar with how easily it can lower your social inhibitions and let you do things you wouldn’t normally do. But you may not be aware that mixing certain medicines with alcohol can increase the effects and put you at risk. When you mix alcohol with medicines, whether prescription or over-the-counter, the medicines can increase the effects of the alcohol or the alcohol can increase the side-effects of the drug. Sometimes it can also result in all new side-effects. <h2>How alcohol and medicines interact</h2> The chemicals in your brain maintain a delicate balance between excitation and inhibition. Too much excitation can lead to <a href="https://www.medicalnewstoday.com/articles/324330">convulsions</a>. Too much inhibition and you will experience effects like sedation and depression. <iframe id="JCh01" class="tc-infographic-datawrapper" style="border: none;" src="https://datawrapper.dwcdn.net/JCh01/1/" width="100%" height="400px" frameborder="0"></iframe> Alcohol works by increasing the amount of inhibition in the brain. You might recognise this as a sense of relaxation and a lowering of social inhibitions when you’ve had a couple of alcoholic drinks. With even more alcohol, you will notice you can’t coordinate your muscles as well, you might slur your speech, become dizzy, forget things that have happened, and even fall asleep. Medications can interact with alcohol to <a href="https://awspntest.apa.org/record/2022-33281-033">produce different or increased effects</a>. Alcohol can interfere with the way a medicine works in the body, or it can interfere with the way a medicine is absorbed from the stomach. If your medicine has similar side-effects as being drunk, those <a href="https://www.drugs.com/article/medications-and-alcohol.html#:%7E:text=Additive%20effects%20of%20alcohol%20and,of%20drug%20in%20the%20bloodstream.">effects can be compounded</a>. Not all the side-effects need to be alcohol-like. Mixing alcohol with the ADHD medicine ritalin, for example, can <a href="https://www.healthline.com/health/adhd/ritalin-and-alcohol#side-effects">increase the drug’s effect on the heart</a>, increasing your heart rate and the risk of a heart attack. Combining alcohol with ibuprofen can lead to a higher risk of stomach upsets and stomach bleeds. Alcohol can increase the break-down of certain medicines, such as <a href="https://www.sciencedirect.com/science/article/abs/pii/S0149763421005121?via%3Dihub">opioids, cannabis, seizures, and even ritalin</a>. This can make the medicine less effective. Alcohol can also alter the pathway of how a medicine is broken down, potentially creating toxic chemicals that can cause serious liver complications. This is a particular problem with <a href="https://australianprescriber.tg.org.au/articles/alcohol-and-paracetamol.html">paracetamol</a>. At its worst, the consequences of mixing alcohol and medicines can be fatal. Combining a medicine that acts on the brain with alcohol may make driving a car or operating heavy machinery difficult and lead to a serious accident. <h2>Who is at most risk?</h2> The effects of mixing alcohol and medicine are not the same for everyone. Those most at risk of an interaction are older people, women and people with a smaller body size. Older people do not break down medicines as quickly as younger people, and are often on <a href="https://www.safetyandquality.gov.au/our-work/healthcare-variation/fourth-atlas-2021/medicines-use-older-people/61-polypharmacy-75-years-and-over#:%7E:text=is%20this%20important%3F-,Polypharmacy%20is%20when%20people%20are%20using%20five%20or%20more%20medicines,take%20five%20or%20more%20medicines.">more than one medication</a>. Older people also are more sensitive to the effects of medications acting on the brain and will experience more side-effects, such as dizziness and falls. Women and people with smaller body size tend to have a higher blood alcohol concentration when they consume the same amount of alcohol as someone larger. This is because there is less water in their bodies that can mix with the alcohol. <h2>What drugs can’t you mix with alcohol?</h2> You’ll know if you can’t take alcohol because there will be a prominent warning on the box. Your pharmacist should also counsel you on your medicine when you pick up your script. The most common <a href="https://adf.org.au/insights/prescription-meds-alcohol/">alcohol-interacting prescription medicines</a> are benzodiazepines (for anxiety, insomnia, or seizures), opioids for pain, antidepressants, antipsychotics, and some antibiotics, like metronidazole and tinidazole. It’s not just prescription medicines that shouldn’t be mixed with alcohol. Some over-the-counter medicines that you shouldn’t combine with alcohol include medicines for sleeping, travel sickness, cold and flu, allergy, and pain. Next time you pick up a medicine from your pharmacist or buy one from the local supermarket, check the packaging and ask for advice about whether you can consume alcohol while taking it. If you do want to drink alcohol while being on medication, discuss it with your doctor or pharmacist first.<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/223293/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/nial-wheate-96839">Nial Wheate</a>, Associate Professor of the School of Pharmacy, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>; <a href="https://theconversation.com/profiles/jasmine-lee-1507733">Jasmine Lee</a>, Pharmacist and PhD Candidate, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>; <a href="https://theconversation.com/profiles/kellie-charles-1309061">Kellie Charles</a>, Associate Professor in Pharmacology, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>, and <a href="https://theconversation.com/profiles/tina-hinton-329706">Tina Hinton</a>, Associate Professor of Pharmacology, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a> Image credits: Getty Images 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-a-bad-idea-to-mix-alcohol-with-some-medications-223293">original article</a>.

Body

Why Mr Bean is being blamed for decreasing electric vehicle sales

Rowan Atkinson has been blamed for a decrease in electric car sales, with a "damaging" article being debunked in the House of Lords. The actor and comedian, who is also a well-known car enthusiast, wrote an article for The Guardian, claiming he felt "duped" by electric vehicles, saying they aren't as eco-friendly as they are often portrayed. Atkinson says the problem with the vehicles' sustainable marketing focuses on just one part of the car’s operating life: what comes out of the exhaust pipes and ignores other elements such as the manufacturing and the mining of rare earth minerals, shipping and building of the batteries. These claims, and the article itself, have been addressed by the UK's House of Lords, with politicians blaming the story for a decrease in electric vehicle sales. UK think tank the Green Alliance says, “One of the most damaging articles was a comment piece written by Rowan Atkinson in The Guardian which has been roundly debunked.” Other deterrents identified by the committee were the high purchase price and insufficient charging infrastructure. Social media users were quick to take Atkinson's side in the debate, with one person writing on X, “If Rowan Atkinson is responsible, then give him a knighthood.” Another user says, “Rowan Atkinson with a degree and masters in Engineering. Knows more than those pushing electric cars.” "Apparently it's Mr Bean's fault for the poor take up of electric cars. Cancel him," another said. For the last 12 months, high power costs in the UK have meant that fast charging your electric car can be more expensive than refuelling a petrol or diesel vehicle. The UK is planning to ban sales of petrol and diesel vehicles from 2035, despite the slip in sales. Image credits: Getty Images

Legal

Over 60

News

Shop

Catalogues

Travel

Health

Lifestyle

Finance

Entertainment

Property

Information

Keep up to date

Search

Why David Beckham is suing Mark Wahlberg for $16m

Good news: midlife health is about more than a waist measurement. Here’s why

People in the world’s ‘blue zones’ live longer – their diet could hold the key to why

Hospice nurse explains why we shouldn't be afraid to die

Why do airlines charge so much for checked bags? This obscure rule helps explain why

Here’s why having chocolate can make you feel great or a bit sick – plus 4 tips for better eating

Why a one-cent stamp is set to sell for millions

Sunscreen: why wearing it even in winter could be a good idea

Why you should travel solo this summer

Why our voices change as we get older

Flight attendant reveals why planes have tiny holes in their windows

Why do I need to get up during the night to wee? Is this normal?

Why and how often do I need to wash makeup brushes and sponges?

I want to eat healthily. So why do I crave sugar, salt and carbs?

Morbid reason why cruise ships throw "free ice cream parties" on board

Why Mary Poppins has received a new rating 60 years on

Why do I keep getting urinary tract infections? And why are chronic UTIs so hard to treat?

Why prices are so high – 8 ways retail pricing algorithms gouge consumers

Why it’s a bad idea to mix alcohol with some medications

Why Mr Bean is being blamed for decreasing electric vehicle sales

News

Shop

Catalogues

Travel

Health

Lifestyle

Finance

Entertainment

Property

Information

Keep up to date

Search

Why David Beckham is suing Mark Wahlberg for $16m

Good news: midlife health is about more than a waist measurement. Here’s why

People in the world’s ‘blue zones’ live longer – their diet could hold the key to why

Hospice nurse explains why we shouldn't be afraid to die

Why do airlines charge so much for checked bags? This obscure rule helps explain why

Here’s why having chocolate can make you feel great or a bit sick – plus 4 tips for better eating

Why a one-cent stamp is set to sell for millions

Sunscreen: why wearing it even in winter could be a good idea

Why you should travel solo this summer

Why our voices change as we get older

Flight attendant reveals why planes have tiny holes in their windows

Why do I need to get up during the night to wee? Is this normal?

Why and how often do I need to wash makeup brushes and sponges?

I want to eat healthily. So why do I crave sugar, salt and carbs?

Morbid reason why cruise ships throw "free ice cream parties" on board

Why Mary Poppins has received a new rating 60 years on

Why do I keep getting urinary tract infections? And why are chronic UTIs so hard to treat?

Why prices are so high – 8 ways retail pricing algorithms gouge consumers

Why it’s a bad idea to mix alcohol with some medications

Why Mr Bean is being blamed for decreasing electric vehicle sales

Join Over60