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Do optimists really live longer? Here’s what the research says

<a href="https://theconversation.com/profiles/fuschia-sirois-331254">Fuschia Sirois</a>, <a href="https://theconversation.com/institutions/durham-university-867">Durham University</a> Do you tend to see the glass as half full, rather than half empty? Are you always looking on the bright side of life? If so, you may be surprised to learn that this tendency could actually be good for your health. A <a href="https://content.apa.org/record/2020-71981-001">number of studies</a> have shown that optimists enjoy higher levels of wellbeing, better sleep, lower stress and even better cardiovascular health and immune function. And now, <a href="https://pubmed.ncbi.nlm.nih.gov/35674052/">a recent study</a> has shown that being an optimist is linked to longer life. To conduct their study, researchers tracked the lifespan of nearly 160,000 women aged between 50 to 79 for a period of 26 years. At the beginning of the study, the women completed a <a href="https://local.psy.miami.edu/people/faculty/ccarver/availbale-self-report-instruments/lot-r/">self-report measure of optimism</a>. Women with the highest scores on the measure were categorised as optimists. Those with the lowest scores were considered pessimists. Then, in 2019, the researchers followed up with the participants who were still living. They also looked at the lifespan of participants who had died. What they found was that those who had the highest levels of optimism were more likely to live longer. More importantly, the optimists were also more likely than those who were pessimists to live into their nineties. Researchers refer to this as “exceptional longevity”, considering the average lifespan for women is about 83 years in developed countries. What makes these findings especially impressive is that the results remained even after accounting for other factors known to predict a long life – including education level and economic status, ethnicity, and whether a person suffered from depression or other chronic health conditions. But given this study only looked at women, it’s uncertain whether the same would be true for men. However, <a href="https://www.pnas.org/doi/abs/10.1073/pnas.1900712116">another study</a> which looked at both men and women also found that people with the highest levels of optimism enjoyed a lifespan that was between 11% and 15% longer than those who were the least optimistic. <h2>The fountain of youth?</h2> So why is it that optimists live longer? At first glance it would seem that it may have to do with their healthier lifestyle. For example, <a href="https://www.ahajournals.org/doi/10.1161/CIRCRESAHA.117.310828">research from several studies</a> has found that optimism is linked to eating a healthy diet, staying physically active, and being less likely to smoke cigarettes. These healthy behaviours are well known to improve heart health and <a href="https://www.who.int/news-room/fact-sheets/detail/noncommunicable-diseases">reduce the risk</a> for cardiovascular disease, which is a <a href="https://www.who.int/news-room/fact-sheets/detail/cardiovascular-diseases-(cvds)">leading cause of death</a> globally. Adopting a healthy lifestyle is also <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3857242/">important for reducing the risk</a> of other potentially deadly diseases, such as diabetes and cancer. But having a healthy lifestyle may only be part of the reason optimists live a longer than average life. This latest study found that lifestyle only accounted for 24% of the link between optimism and longevity. This suggests a number of other factors affect longevity for optimists. Another possible reason could be due to the way optimists manage stress. When faced with a stressful situation, optimists tend to deal with it head-on. They <a href="https://pubmed.ncbi.nlm.nih.gov/16859439/">use adaptive coping strategies</a> that help them resolve the source of the stress, or view the situation in a less stressful way. For example, optimists will problem-solve and plan ways to deal with the stressor, call on others for support, or try to find a “silver lining” in the stressful situation. All of these approaches are well-known to reduce feelings of stress, as well as the biological reactions that occur when we feel stressed. It’s these <a href="https://www.apa.org/topics/stress/body">biological reactions to stress</a> –- such as elevated cortisol (sometimes called the “stress hormone”), increased heart rate and blood pressure, and impaired immune system functioning –- that can take a toll on health over time and increase the risk for developing <a href="https://www.sciencedirect.com/science/article/pii/S0889159115004316?via%3Dihub">life-threatening diseases</a>, such as cardiovascular disease. In short, the way optimists cope with stress may help protect them somewhat against its harmful effects. <h2>Looking on the bright side</h2> Optimism is typically viewed by researchers as a relatively stable personality trait that is determined by both <a href="https://www.cambridge.org/core/journals/twin-research-and-human-genetics/article/sex-differences-in-the-genetic-architecture-of-optimism-and-health-and-their-interrelation-a-study-of-australian-and-swedish-twins/58F21AA11943D44B4BA4C63A966E6AC7">genetic</a> and early childhood influences (such as having a <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6541423/">secure and warm relationship</a> with your parents or caregivers). But if you’re not naturally prone to seeing the glass as half full, there are some ways you can increase your <a href="https://www.tandfonline.com/doi/abs/10.1080/17439760.2016.1221122?journalCode=rpos20">capacity to be optimistic</a>. Research shows optimism can change over time, and can be cultivated by engaging in simple exercises. For example, visualising and then writing about your “<a href="https://www.psychologytoday.com/us/blog/what-matters-most/201303/what-is-your-best-possible-self">best possible self</a>” (a future version of yourself who has accomplished your goals) is a technique that studies have found can <a href="https://www.tandfonline.com/doi/full/10.1080/17439760.2016.1221122">significantly increase optimism</a>, at least temporarily. But for best results, the goals need to be both positive and reasonable, rather than just wishful thinking. Similarly, simply <a href="https://www.tandfonline.com/doi/abs/10.3200/SOCP.149.3.349-364">thinking about positive future events</a> can also be effective for boosting optimism. It’s also crucial to temper any expectations for success with an accurate view of what you can and can’t control. Optimism is reinforced when we experience the positive outcomes that we expect, and <a href="https://psycnet.apa.org/record/1970-20680-001">can decrease</a> when these outcomes aren’t as we want them to be. Although more research is needed, it’s possible that regularly envisioning yourself as having the best possible outcomes, and taking realistic steps towards achieving them, can help develop an optimistic mindset. Of course, this might be easier said than done for some. If you’re someone who isn’t naturally optimistic, the best chances to improve your longevity is by <a href="https://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.1003332">living a healthy lifestyle</a> by staying physically active, eating a healthy diet, managing stress, and getting a good night’s sleep. Add to this cultivating a more optimistic mindset and you might further increase your chances for a long life.<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/184785/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/fuschia-sirois-331254">Fuschia Sirois</a>, Professor in Social & Health Psychology, <a href="https://theconversation.com/institutions/durham-university-867">Durham University</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/do-optimists-really-live-longer-heres-what-the-research-says-184785">original article</a>.

Caring

Eating some chocolate really might be good for you – here’s what the research says

<a href="https://theconversation.com/profiles/dan-baumgardt-1451396">Dan Baumgardt</a>, <a href="https://theconversation.com/institutions/university-of-bristol-1211">University of Bristol</a> Although it always makes me scoff slightly to see Easter eggs making their first appearance in supermarkets at the end of December, there are few people who aren’t delighted to receive a bit of chocolate every year. It makes sense that too much chocolate would be bad for you because of the high fat and sugar content in most products. But what should we make of common claims that eating some chocolate is actually good for you? Happily, there is a fair amount of evidence that shows, in the right circumstances, chocolate may be both beneficial for your heart and good for your mental state. In fact, chocolate – or more specifically cacao, the raw, unrefined bean – is a medicinal wonder. It contains many different active compounds which can evoke pharmacological effects within the body, like medicines or drugs. Compounds that lead to neurological effects in the brain have to be able to cross the <a href="https://link.springer.com/chapter/10.1007/978-3-642-13443-2_7">blood-brain barrier</a>, the protective shield which prevents harmful substances – like toxins and bacteria – entering the delicate nervous tissue. One of these is the compound <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3672386/">theobromine</a>, which is also found in tea and contributes towards its bitter taste. Tea and chocolate also contain caffeine, which theobromine is related to as part of the purine family of chemicals. These chemicals, among others, contribute to chocolate’s addictive nature. They have the ability to cross the blood-brain barrier, where they can influence the nervous system. They are therefore known as <a href="https://pubmed.ncbi.nlm.nih.gov/15549276/">psychoactive</a> chemicals. <figure><iframe src="https://www.youtube.com/embed/HloqayQdR6M?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> What effects can chocolate have on mood? Well, <a href="https://academic.oup.com/nutritionreviews/article/71/10/665/1931144?login=false">a systematic review</a> looked at a group of studies which examined the feelings and emotions associated with consuming chocolate. Most demonstrated improvements in mood, anxiety, energy and states of arousal. Some noted the feeling of guilt, which is perhaps something we’ve all felt after one too many Dairy Milks. <h2>Health benefits of cocoa</h2> There are other organs, aside from the brain, that might benefit from the medicinal effects of cocoa. For centuries, chocolate has been used as a medicine to treat a <a href="https://pubmed.ncbi.nlm.nih.gov/10917925/">long list of diseases</a> including anaemia, tuberculosis, gout and even low libido. These might be spurious claims but there is evidence to suggest that eating cacao has a positive effect on the cardiovascular system. First, it can prevent <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8068178/">endothelial dysfunction</a>. This is the process through which arteries harden and get laden down with fatty plaques, which can in turn lead to heart attacks and strokes. Eating dark chocolate may also reduce <a href="https://www.sciencedirect.com/science/article/pii/S1537189115001135?via%3Dihub">blood pressure</a>, which is another risk factor for developing arterial disease, and prevent formation of clots which block up blood vessels. <figure><iframe src="https://www.youtube.com/embed/8VUcPCbSSCY?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> Some studies have suggested that dark chocolate might be useful in adjusting ratios of <a href="https://pubmed.ncbi.nlm.nih.gov/20968113/">high-density lipoprotein cholesterol</a>, which can help protect the heart. Others have examined insulin resistance, the phenomenon associated with Type 2 diabetes and weight gain. They suggest that the <a href="https://www.sciencedirect.com/science/article/pii/S0963996900000697#:%7E:text=Cocoa%20is%20rich%20in%20polyphenols%20particularly%20in%20catechins,and%20cocoa%20powder%20have%20been%20published%20only%20recently.">polyphenols</a> – chemical compounds present in plants – found in foodstuffs like chocolate may also lead to <a href="https://pubmed.ncbi.nlm.nih.gov/29993262/">improved control of blood sugars</a>. <h2>Chocolate toxicity</h2> As much as chocolate might be considered a medicine for some, it can be a poison for others. It’s well documented that the ingestion of caffeine and theobromine is highly toxic for domestic animals. Dogs are <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4801869/">particularly affected</a> because of their often voracious appetites and generally unfussy natures. The culprit is often dark chocolate, which can provoke symptoms of agitation, rigid muscles and even seizures. In certain cases, if ingested in high enough quantities, it can lead to comas and abnormal, even fatal heart rhythms. Some of the compounds found in chocolate have also been found to have potentially negative effects in humans. Chocolate is a source of oxalate which, along with calcium, is one of the main components of <a href="https://pubmed.ncbi.nlm.nih.gov/20301742/">kidney stones</a>. Some clinical groups have advised against consuming oxalate rich foods, such as spinach and rhubarb – and chocolate, for those who suffer from recurrent kidney stones. So, what should all this mean for our chocolate consumption habits? Science points in the direction of chocolate that has as high a cocoa solid content as possible, and the minimum of extras. The potentially harmful effects of chocolate are more related to fat and sugar, and may counteract any possible benefits. A daily dose of 20g-30g of plain or dark chocolate with cocoa solids above 70% – rather than milk chocolate, which contains fewer solids and white chocolate, which contains none – could lead to a greater health benefit, as well as a greater high. But whatever chocolate you go for, please don’t share it with the dog.<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/226759/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/dan-baumgardt-1451396">Dan Baumgardt</a>, Senior Lecturer, School of Physiology, Pharmacology and Neuroscience, <a href="https://theconversation.com/institutions/university-of-bristol-1211">University of Bristol</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/eating-some-chocolate-really-might-be-good-for-you-heres-what-the-research-says-226759">original article</a>.

Body

Running or yoga can help beat depression, research shows – even if exercise is the last thing you feel like

<a href="https://theconversation.com/profiles/michael-noetel-147460">Michael Noetel</a>, <a href="https://theconversation.com/institutions/the-university-of-queensland-805">The University of Queensland</a> At least <a href="https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2021.665019/full">one in ten people</a> have depression at some point in their lives, with some estimates <a href="https://www.sciencedirect.com/science/article/pii/S0749379720301793">closer to one in four</a>. It’s one of the worst things for someone’s wellbeing – worse than <a href="https://www.happinessresearchinstitute.com/_files/ugd/928487_4a99b6e23f014f85b38495b7ab1ac24b.pdf">debt, divorce or diabetes</a>. <a href="https://theconversation.com/why-are-so-many-australians-taking-antidepressants-221857">One in seven</a> Australians take antidepressants. Psychologists are in <a href="https://theconversation.com/we-cant-solve-australias-mental-health-emergency-if-we-dont-train-enough-psychologists-here-are-5-fixes-190135">high demand</a>. Still, only <a href="http://dx.doi.org/10.1371/journal.pmed.1003901">half</a> of people with depression in high-income countries get treatment. Our <a href="https://www.bmj.com/content/384/bmj-2023-075847">new research</a> shows that exercise should be considered alongside therapy and antidepressants. It can be just as impactful in treating depression as therapy, but it matters what type of exercise you do and how you do it. <h2>Walk, run, lift, or dance away depression</h2> We found 218 randomised trials on exercise for depression, with 14,170 participants. We analysed them using a method called a network meta-analysis. This allowed us to see how different types of exercise compared, instead of lumping all types together. We found walking, running, strength training, yoga and mixed aerobic exercise were about as effective as <a href="https://theconversation.com/explainer-what-is-cognitive-behaviour-therapy-37351">cognitive behaviour therapy</a> – one of the <a href="https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2018.00004/full">gold-standard treatments</a> for depression. The effects of dancing were also powerful. However, this came from analysing just five studies, mostly involving young women. Other exercise types had more evidence to back them. Walking, running, strength training, yoga and mixed aerobic exercise seemed more effective than antidepressant medication alone, and were about as effective as exercise alongside antidepressants. But of these exercises, people were most likely to stick with strength training and yoga. <iframe id="cZaWb" class="tc-infographic-datawrapper" style="border: none;" src="https://datawrapper.dwcdn.net/cZaWb/2/" width="100%" height="400px" frameborder="0"></iframe> Antidepressants certainly help <a href="https://www.thelancet.com/article/S0140-6736(17)32802-7/fulltext">some people</a>. And of course, anyone getting treatment for depression should talk to their doctor <a href="https://australia.cochrane.org/news/new-cochrane-review-explores-latest-evidence-approaches-stopping-long-term-antidepressants">before changing</a> what they are doing. Still, our evidence shows that if you have depression, you should get a psychologist and an exercise plan, whether or not you’re taking antidepressants. <h2>Join a program and go hard (with support)</h2> Before we analysed the data, we thought people with depression might need to “ease into it” with generic advice, <a href="https://www.who.int/initiatives/behealthy/physical-activity">such as</a> “some physical activity is better than doing none.” But we found it was far better to have a clear program that aimed to push you, at least a little. Programs with clear structure worked better, compared with those that gave people lots of freedom. Exercising by yourself might also make it hard to set the bar at the right level, given low self-esteem is a symptom of depression. We also found it didn’t matter how much people exercised, in terms of sessions or minutes a week. It also didn’t really matter how long the exercise program lasted. What mattered was the intensity of the exercise: the higher the intensity, the better the results. <h2>Yes, it’s hard to keep motivated</h2> We should exercise caution in interpreting the findings. Unlike drug trials, participants in exercise trials know which “treatment” they’ve been randomised to receive, so this may skew the results. Many people with depression have physical, psychological or social barriers to participating in formal exercise programs. And getting support to exercise isn’t free. We also still don’t know the best way to stay motivated to exercise, which can be even harder if you have depression. Our study tried to find out whether things like setting exercise goals helped, but we couldn’t get a clear result. Other reviews found it’s important to have a <a href="https://pubmed.ncbi.nlm.nih.gov/31923898/">clear action plan</a> (for example, putting exercise in your calendar) and to <a href="https://pubmed.ncbi.nlm.nih.gov/19916637/">track your progress</a> (for example, using an app or smartwatch). But predicting which of these interventions work is notoriously difficult. A <a href="https://www.nature.com/articles/s41586-021-04128-4">2021 mega-study</a> of more than 60,000 gym-goers <a href="https://www.nature.com/articles/s41586-021-04128-4/figures/1">found</a> experts struggled to predict which strategies might get people into the gym more often. Even making workouts fun didn’t seem to motivate people. However, listening to audiobooks while exercising helped a lot, which no experts predicted. Still, we can be confident that people benefit from personalised support and accountability. The support helps overcome the hurdles they’re sure to hit. The accountability keeps people going even when their brains are telling them to avoid it. So, when starting out, it seems wise to avoid going it alone. Instead: <ul> <li> join a fitness group or yoga studio </li> <li> get a trainer or an exercise physiologist </li> <li> ask a friend or family member to go for a walk with you. </li> </ul> Taking a few steps towards getting that support makes it more likely you’ll keep exercising. <h2>Let’s make this official</h2> Some countries see exercise as a backup plan for treating depression. For example, the American Psychological Association only <a href="https://www.apa.org/depression-guideline/">conditionally recommends</a> exercise as a “complementary and alternative treatment” when “psychotherapy or pharmacotherapy is either ineffective or unacceptable”. Based on our research, this recommendation is withholding a potent treatment from many people who need it. In contrast, The Royal Australian and New Zealand College of Psychiatrists <a href="https://www.ranzcp.org/getmedia/a4678cf4-91f5-4746-99d4-03dc7379ae51/mood-disorders-clinical-practice-guideline-2020.pdf">recommends</a> vigorous aerobic activity at least two to three times a week for all people with depression. Given how common depression is, and the number failing to receive care, other countries should follow suit and recommend exercise alongside front-line treatments for depression. I would like to acknowledge my colleagues Taren Sanders, Chris Lonsdale and the rest of the coauthors of the paper on which this article is based. If this article has raised issues for you, or if you’re concerned about someone you know, call Lifeline on 13 11 14.<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/223441/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/michael-noetel-147460">Michael Noetel</a>, Senior Lecturer in Psychology, <a href="https://theconversation.com/institutions/the-university-of-queensland-805">The University of Queensland</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/running-or-yoga-can-help-beat-depression-research-shows-even-if-exercise-is-the-last-thing-you-feel-like-223441">original article</a>.

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Out of the rabbit hole: new research shows people can change their minds about conspiracy theories

<a href="https://theconversation.com/profiles/matt-williams-666794">Matt Williams</a>, <a href="https://theconversation.com/institutions/massey-university-806">Massey University</a>; <a href="https://theconversation.com/profiles/john-kerr-1073102">John Kerr</a>, <a href="https://theconversation.com/institutions/university-of-otago-1304">University of Otago</a>, and <a href="https://theconversation.com/profiles/mathew-marques-14884">Mathew Marques</a>, <a href="https://theconversation.com/institutions/la-trobe-university-842">La Trobe University</a> Many people <a href="https://theconversation.com/was-phar-lap-killed-by-gangsters-new-research-shows-which-conspiracies-people-believe-in-and-why-158610">believe at least one</a> conspiracy theory. And that isn’t necessarily a bad thing – conspiracies do happen. To take just one example, the CIA really did engage in <a href="https://www.politico.com/story/2019/04/13/cia-mind-control-1266649">illegal experiments</a> in the 1950s to identify drugs and procedures that might produce confessions from captured spies. However, many conspiracy theories are not supported by evidence, yet still attract believers. For example, in a <a href="https://doi.org/10.1111/pops.12746">previous study</a>, we found about 7% of New Zealanders and Australians agreed with the theory that <a href="https://www.earthdata.nasa.gov/learn/sensing-our-planet/on-the-trail-of-contrails">visible trails behind aircraft</a> are “chemtrails” of chemical agents sprayed as part of a secret government program. That’s despite the theory being <a href="https://iopscience.iop.org/article/10.1088/1748-9326/11/8/084011">roundly rejected</a> by the scientific community. The fact that conspiracy theories attract believers despite a lack of credible evidence remains a puzzle for researchers in psychology and other academic disciplines. Indeed, there has been a great deal of research on conspiracy theories published in the past few years. We now know more about how many people believe them, as well as the psychological and political factors that <a href="https://www.nature.com/articles/s41598-022-25617-0">correlate with that belief</a>. But we know much less about how often people change their minds. Do they do so frequently, or do they to stick tenaciously to their beliefs, regardless of what evidence they come across? <h2>From 9/11 to COVID</h2> We set out to answer this question using a <a href="https://doi.org/10.1038/s41598-024-51653-z">longitudinal survey</a>. We recruited 498 Australians and New Zealanders (using the <a href="http://prolific.com">Prolific</a> website, which recruits people to take part in paid research). Each month from March to September 2021, we presented our sample group with a survey, including ten conspiracy theories, and asked them how much they agreed with each one. All of these theories related to claims about events that are either ongoing, or occurred this millennium: the September 11 attacks, the rollout of 5G telecommunications technology, and COVID-19, among others. While there were definitely some believers in our sample, most participants disagreed with each of the theories. The most popular theory was that “pharmaceutical companies (‘Big Pharma’) have suppressed a cure for cancer to protect their profits”. Some 18% of the sample group agreed when first asked. The least popular was the theory that “COVID-19 ‘vaccines’ contain microchips to monitor and control people”. Only 2% agreed. <h2>Conspiracy beliefs probably aren’t increasing</h2> Despite contemporary concerns about a “<a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7320252/">pandemic of misinformation</a>” or “<a href="https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)30461-X/fulltext">infodemic</a>”, we found no evidence that individual beliefs in conspiracy theories increased on average over time. This was despite our data collection happening during the tumultuous second year of the COVID-19 pandemic. Lockdowns were still happening occasionally in both <a href="https://www.timeout.com/melbourne/things-to-do/a-timeline-of-covid-19-in-australia-two-years-on">Australia</a> and <a href="https://covid19.govt.nz/about-our-covid-19-response/history-of-the-covid-19-alert-system/">New Zealand</a>, and anti-government sentiment was building. While we only tracked participants for six months, <a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0270429">other studies</a> over much longer time frames have also found little evidence that beliefs in conspiracy theories are increasing over time. <hr /> <iframe class="flourish-embed-iframe" style="width: 100%; height: 600px;" title="Interactive or visual content" src="https://flo.uri.sh/visualisation/16665395/embed" width="100%" height="400" frameborder="0" scrolling="no" sandbox="allow-same-origin allow-forms allow-scripts allow-downloads allow-popups allow-popups-to-escape-sandbox allow-top-navigation-by-user-activation"></iframe> <div style="width: 100%!; margin-top: 4px!important; text-align: right!important;"><a class="flourish-credit" href="https://public.flourish.studio/visualisation/16665395/?utm_source=embed&utm_campaign=visualisation/16665395" target="_top"><img src="https://public.flourish.studio/resources/made_with_flourish.svg" alt="Made with Flourish" /></a></div> <hr /> Finally, we found that beliefs (or non-beliefs) in conspiracy theories were stable – but not completely fixed. For any given theory, the vast majority of participants were “consistent sceptics” – not agreeing with the theory at any point. There were also some “consistent believers” who agreed at every point in the survey they responded to. For most theories, this was the second-largest group. Yet for every conspiracy theory, there was also a small proportion of converts. They disagreed with the theory at the start of the study, but agreed with it by the end. There was also a small proportion of “apostates” who agreed with the theory at the start, but disagreed by the end. Nevertheless, the percentages of converts and apostates tended to balance each other pretty closely, leaving the percentage of believers fairly stable over time. <h2>Inside the ‘rabbit hole’</h2> This relative stability is interesting, because <a href="https://www.jstor.org/stable/2564659">one criticism</a> of conspiracy theories is that they may not be “<a href="https://www.britannica.com/topic/criterion-of-falsifiability">falsifiable</a>”: what seems like evidence against a conspiracy theory can just be written off by believers as part of the cover up. Yet people clearly do sometimes decide to reject conspiracy theories they previously believed. Our findings bring into question the popular notion of the “rabbit hole” – that people rapidly develop beliefs in a succession of conspiracy theories, much as Alice tumbles down into Wonderland in Lewis Carroll’s <a href="https://www.gutenberg.org/ebooks/11">famous story</a>. While it’s possible this does happen for a small number of people, our results suggest it isn’t a typical experience. For most, the <a href="https://www.latrobe.edu.au/news/articles/2023/opinion/how-to-talk-to-someone-about-conspiracy-theories">journey into</a> conspiracy theory belief might involve a more gradual slope – a bit like a <a href="https://zslpublications.onlinelibrary.wiley.com/doi/pdfdirect/10.1111/j.1469-7998.1985.tb05649.x">real rabbit burrow</a>, from which one can also emerge. <hr /> Mathew Ling (<a href="https://www.neaminational.org.au/">Neami National</a>), Stephen Hill (Massey University) and Edward Clarke (Philipps-Universität Marburg) contributed to the research referred to in this article.<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/222507/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <hr /> <a href="https://theconversation.com/profiles/matt-williams-666794">Matt Williams</a>, Senior Lecturer in Psychology, <a href="https://theconversation.com/institutions/massey-university-806">Massey University</a>; <a href="https://theconversation.com/profiles/john-kerr-1073102">John Kerr</a>, Senior Research Fellow, <a href="https://theconversation.com/institutions/university-of-otago-1304">University of Otago</a>, and <a href="https://theconversation.com/profiles/mathew-marques-14884">Mathew Marques</a>, Senior Lecturer in Social Psychology, <a href="https://theconversation.com/institutions/la-trobe-university-842">La Trobe 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/out-of-the-rabbit-hole-new-research-shows-people-can-change-their-minds-about-conspiracy-theories-222507">original article</a>.

Mind

Ballet flats are back. Here’s what the research says about how they affect your feet

<a href="https://theconversation.com/profiles/kristin-graham-1427672">Kristin Graham</a>, <a href="https://theconversation.com/institutions/university-of-south-australia-1180">University of South Australia</a>; <a href="https://theconversation.com/profiles/helen-banwell-305575">Helen Banwell</a>, <a href="https://theconversation.com/institutions/university-of-south-australia-1180">University of South Australia</a>, and <a href="https://theconversation.com/profiles/saravana-kumar-181105">Saravana Kumar</a>, <a href="https://theconversation.com/institutions/university-of-south-australia-1180">University of South Australia</a> Ballet flat shoes – those thin-heeled lightweight slip-on shoes – are making a fashion <a href="https://www.vogue.com/slideshow/ballet-flats">comeback</a>. And it’s not hard to see why: they’re versatile, easy to wear, soft, flexible and often worn by celebrities. We have often been warned of the dangers of high-heeled shoes, so you might think ballet flats are problem-free. When you look at the research, however, a complicated picture emerges. There’s no definitive evidence to show ballet flats are generally harmful to foot health in the long-term. But ill-fitting ballet flats can be a problem. <h2>Make sure it fits, especially in the toe box</h2> An estimated <a href="https://pubmed.ncbi.nlm.nih.gov/30065787/">70%</a> of the population are wearing ill-fitting shoes. This mismatch between foot and shoe shape can increase foot pain, <a href="https://pubmed.ncbi.nlm.nih.gov/17507530/">reduce stability</a>, and can mean more blisters, corns and calluses. And habitual wearing of tight shoes has been <a href="https://www.sciencedirect.com/science/article/pii/S0958259207000533">associated</a> with bone changes in the toes and feet over time. Many flats feature a shallow and narrow toe box (the part of the shoe where the toes go). A too-small toe box often doesn’t align with the shape of a foot and ends up squishing the toes. It can also <a href="https://www.sciencedirect.com/science/article/pii/S0958259206000770">increase</a> pressure on top of and under the foot, and <a href="https://jfootankleres.biomedcentral.com/articles/10.1186/1757-1146-6-28">restrict</a> the movement of the forefoot during walking. But a too-big toe box is also a problem. Too much foot movement within the shoe can cause pressure and friction on the skin, which can also lead to calluses, corns, blisters, and wounds. A poorly fitting toe box can also cause micro trauma to toenails which, ultimately, can change <a href="https://www.researchgate.net/profile/Anuva-Bansal/publication/347522694_Traumatic_Nail_Disorders/links/60d6135592851ca94487df7e/Traumatic-Nail-Disorders.pdf">their look and thickness</a>. So if you’re wearing flats, make sure you choose a shoe with the right sized toe box. <h2>What about the heel?</h2> Health professionals often recommend a small heel over a completely flat shoe. Very flat shoes can <a href="https://pubmed.ncbi.nlm.nih.gov/27498844/">place</a> <a href="https://www.sciencedirect.com/science/article/pii/S0268003307002082">more</a> strain on the soft tissues that support the foot arch – specifically, the plantar fascia. <a href="https://pubmed.ncbi.nlm.nih.gov/27498844/">Research</a> has shown moving from a completely flat shoe to a small, raised heel reduces the tension force on the plantar fascia during standing activities. On the other hand, other <a href="https://journals.lww.com/jpojournal/Fulltext/2009/01000/Effects_of_Shoe_Heel_Height_on_the_Roll_Over.7.aspx#:%7E:text=The%20roll%2Dover%20shapes%20seem,without%20a%20change%20in%20alignment.&text=Photographs%20of%20the%20prosthetic%20feet,shapes%20of%20these%20feet%20superimposed">research</a> has shown most people will adapt their ankle and knee motion to accommodate shoes of different heel heights. <h2>What about support?</h2> Ballet flats tend to have very flexible, thin soles and heel counters (the part, coloured red in this picture, that hugs the heel and the back part of the foot). These thin and flexible structures mean flats are often accused of lacking support. But debate rages among foot and shoe experts about how important support is in the first place. <a href="https://pubmed.ncbi.nlm.nih.gov/27729290/">Research</a> on barefoot-style shoes has shown walking in these types of shoes significantly reduces some loads on the knee compared to more stable supportive shoes. Minimalist shoes have also been found to <a href="https://pubmed.ncbi.nlm.nih.gov/30102872/">increase strength</a> in certain foot muscles used when we push off during walking, running or jumping. However, other research found stable supportive shoes can <a href="https://pubmed.ncbi.nlm.nih.gov/33428439/">improve knee pain</a> when walking more than flat flexible shoes. The thin soles in flats mean there is little cushioning under the foot. While more cushioning can improve comfort, and reduce stress and strain on your foot sole <a href="https://www.sciencedirect.com/science/article/abs/pii/S0021929011001758?casa_token=gecXFCMi0LcAAAAA:TazyTd8TRaAl_bG0jprifYIUIlWRDwEH6bVeymBYTWups2iDGMuUjLs2gaNqsiNGHVJhHC3J9AdB">skin</a>, there is no evidence it reduces loads across the lower leg. In fact, walking in cushioned shoes has been shown to <a href="https://pubmed.ncbi.nlm.nih.gov/20191571/">increase</a> the load on the knee compared to flat, flexible shoes. <h2>So, what’s the verdict?</h2> The verdict is mixed. Yes, there’s evidence poorly fitting shoes and a flat heel can be detrimental, with consequences seen in the <a href="https://www.sciencedirect.com/science/article/pii/S0966636221000199">rearfoot</a> (around the ankle) and <a href="https://www.sciencedirect.com/science/article/pii/S0966636218300687">knee</a>. But there’s also no hard evidence ballet flats cause long-term foot health problems. What matters is choosing a well-fitted shoe to suit your foot shape and needs. If you’re shopping for ballet flats, try to: <ul> <li> choose a pair with a toe box that does not cramp your toes and has a sole at least as wide as your foot </li> <li> choose flats that offer at least some structure and support </li> <li> choose a pair with a small heel rather being than completely flat.<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/207806/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> </li> </ul> <a href="https://theconversation.com/profiles/kristin-graham-1427672">Kristin Graham</a>, Lecturer in Podiatry, <a href="https://theconversation.com/institutions/university-of-south-australia-1180">University of South Australia</a>; <a href="https://theconversation.com/profiles/helen-banwell-305575">Helen Banwell</a>, Lecturer in Podiatry, <a href="https://theconversation.com/institutions/university-of-south-australia-1180">University of South Australia</a>, and <a href="https://theconversation.com/profiles/saravana-kumar-181105">Saravana Kumar</a>, Professor in Allied Health and Health Services Research, <a href="https://theconversation.com/institutions/university-of-south-australia-1180">University of South Australia</a> Image credits: Shutterstock This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/ballet-flats-are-back-heres-what-the-research-says-about-how-they-affect-your-feet-207806">original article</a>.

Beauty & Style

Research reveals who’s been hit hardest by global warming in their lifetime - and the answer may surprise you

<a href="https://theconversation.com/profiles/andrew-king-103126">Andrew King</a>, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a>; <a href="https://theconversation.com/profiles/ed-hawkins-104793">Ed Hawkins</a>, <a href="https://theconversation.com/institutions/university-of-reading-902">University of Reading</a>; <a href="https://theconversation.com/profiles/hunter-douglas-1460792">Hunter Douglas</a>, <a href="https://theconversation.com/institutions/te-herenga-waka-victoria-university-of-wellington-1200">Te Herenga Waka — Victoria University of Wellington</a>, and <a href="https://theconversation.com/profiles/luke-harrington-489028">Luke Harrington</a>, <a href="https://theconversation.com/institutions/university-of-waikato-781">University of Waikato</a> Earth is warming and the signs of climate change are everywhere. We’ve seen it in the past few weeks as temperatures hit record highs around the world – both in the Northern Hemisphere and the <a href="https://theconversation.com/why-is-australia-having-such-a-warm-winter-a-climate-expert-explains-210693">warm Australian winter</a>. Global warming is caused by humanity’s greenhouse gas emissions, which continue at <a href="https://theconversation.com/global-carbon-emissions-at-record-levels-with-no-signs-of-shrinking-new-data-shows-humanity-has-a-monumental-task-ahead-193108">near-record pace</a>. These emissions are predominantly generated by people in the world’s wealthiest regions. Our world-first analysis, <a href="https://iopscience.iop.org/article/10.1088/2752-5295/aceff2">published today</a>, examines the experience of global warming over the lifetimes of people around the world: young and old, rich and poor. We sought to identify who has perceived warmer temperatures most keenly. We found middle-aged people in equatorial regions have lived through the most perceptible warming in their lifetimes. But many young people in lower-income countries could experience unrecognisable changes in their local climate later in life, unless the world rapidly tackles climate change. <h2>Measuring the climate change experience</h2> We examined temperature data and population demographics information from around the world. Key to our analysis was the fact that not all warming is due to human activity. Some of it is caused by natural, year-to-year variations in Earth’s climate. These natural ups and downs are due to a number of factors. They include variations in the energy Earth receives from the sun, the effects of volcanic eruptions, and transfers of heat between the atmosphere and the ocean. This variability is stronger in mid-to-high-latitude parts of the world (those further from the equator) than in low-latitude areas (in equatorial regions). That’s because the weather systems further away from the equator draw in hot or cold air from neighbouring areas, but equatorial areas don’t receive cold air at all. That’s why, for example, the annual average temperature in New York is naturally more variable than in the city of Kinshasa (in the Democratic Republic of Congo). To account for this, we applied what’s known as the “<a href="https://archive.ipcc.ch/ipccreports/tar/wg1/346.htm#:%7E:text=The%20%EF%BF%BDsignal%20to%20noise,to%20this%20natural%20variability%20noise.">signal-to-noise ratio</a>” at each location we studied. That allowed us to separate the strength of the climate change “signal” from the “noise” of natural variability. Making this distinction is important. The less naturally variable the temperature, the clearer the effects of warming. So warming in Kinshasa over the past 50 years has been much more perceptible than in New York. Our study examined two central questions. First, we wanted to know, for every location in the world, how clearly global warming could be perceived, relative to natural temperature variability. Second, we wanted to know where this perceived change was most clear over human lifetimes. <figure class="align-center zoomable"><a href="https://images.theconversation.com/files/541474/original/file-20230807-17-ogjdti.png?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip"><img src="https://images.theconversation.com/files/541474/original/file-20230807-17-ogjdti.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/541474/original/file-20230807-17-ogjdti.png?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=394&fit=crop&dpr=1 600w, https://images.theconversation.com/files/541474/original/file-20230807-17-ogjdti.png?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=394&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/541474/original/file-20230807-17-ogjdti.png?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=394&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/541474/original/file-20230807-17-ogjdti.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=495&fit=crop&dpr=1 754w, https://images.theconversation.com/files/541474/original/file-20230807-17-ogjdti.png?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=495&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/541474/original/file-20230807-17-ogjdti.png?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=495&fit=crop&dpr=3 2262w" alt="Annual-average temperatures at four major cities with signal-to-noise ratios shown for 20, 50 and 80 years up to 2021." /></a><figcaption>Annual-average temperatures at four major cities with signal-to-noise ratios shown for 20, 50 and 80 years up to 2021. Author provided</figcaption></figure> <h2>Our results</h2> So what did we find? As expected, the most perceptible warming is found in tropical regions – those near the equator. This includes developing parts of the world that constitute the Global South – such as Africa, Latin America and the Caribbean, and Asia. Household incomes in the Global South are typically lower than in industrialised nations (known as the Global North). We might, then, conclude people in the poorest parts of the world have experienced the most perceptible global warming over their lifetimes. But that’s not always the case. Why? Because most parts of the Global South have younger populations than wealthier regions. And some people under the age of 20, including in northern India and parts of Sub-Saharan Africa, haven’t experienced warming over their lifetimes. In these places, the lack of recent warming is likely down to a few factors: natural climate variability, and the local cooling effect of particles released into the atmosphere from <a href="https://iopscience.iop.org/article/10.1088/1748-9326/ac3b7a">pollution</a> and changes in land use. There’s another complication. Some populated regions of the world also experienced slight cooling in the mid-20th century, primarily driven by human-caused <a href="https://www.nature.com/articles/nature10946">aerosol emissions</a>. So, many people born earlier than the 1950s have experienced less perceptible warming in their local area than those born in the 1960s and 1970s. This may seem counter-intuitive. But a cooling trend in the first few decades of one’s life means the warming experienced over an entire lifespan (from birth until today) is smaller and less detectable. So what does all this mean? People in equatorial areas born in the 1960s and 1970s – now aged between about 45 and 65 – have experienced more perceptible warming than anyone else on Earth. <h2>Rich countries must act</h2> Our findings are important, for several reasons. Identifying who has experienced significant global warming in their lives may help explain <a href="https://www.nature.com/articles/nclimate2660">attitudes to tackling climate change</a>. Our findings also raise significant issues of fairness and equity. Humanity will continue to warm the planet until we reach global net-zero emissions. This means many young people in lower-income countries may, later in life, experience a local climate that is unrecognisable to that of their youth. Of course, warming temperatures are not the only way people experience climate change. Others include sea-level rise, more intense drought and rainfall extremes. We know many of these impacts are felt most acutely by <a href="https://www.aljazeera.com/opinions/2022/5/11/climate-change-is-devastating-the-global-south">the most vulnerable populations</a>. Cumulative greenhouse gas emissions are much higher in the Global North, due to economic development. To address this inequality, rich industrialised nations must take a leading role in reducing emissions to net-zero, and helping vulnerable countries adapt to climate change.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/211108/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/andrew-king-103126">Andrew King</a>, Senior Lecturer in Climate Science, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a>; <a href="https://theconversation.com/profiles/ed-hawkins-104793">Ed Hawkins</a>, Professor of Climate Science, <a href="https://theconversation.com/institutions/university-of-reading-902">University of Reading</a>; <a href="https://theconversation.com/profiles/hunter-douglas-1460792">Hunter Douglas</a>, PhD Candidate, <a href="https://theconversation.com/institutions/te-herenga-waka-victoria-university-of-wellington-1200">Te Herenga Waka — Victoria University of Wellington</a>, and <a href="https://theconversation.com/profiles/luke-harrington-489028">Luke Harrington</a>, Senior Lecturer in Climate Change, <a href="https://theconversation.com/institutions/university-of-waikato-781">University of Waikato</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/research-reveals-whos-been-hit-hardest-by-global-warming-in-their-lifetime-and-the-answer-may-surprise-you-211108">original article</a>.

Travel Trouble

Ken’s rights? Our research shows Barbie is surprisingly accurate on how ‘men’s rights activists’ are radicalised

<a href="https://theconversation.com/profiles/lucy-nicholas-145660">Lucy Nicholas</a>, <a href="https://theconversation.com/institutions/western-sydney-university-1092">Western Sydney University</a> In the Barbie movie, we open with a picture of a perfect Barbieland where (almost) everyone is happy, diversity and sisterhood are embraced, and Barbies hold all positions of power. The Kens however, reflecting the popularity of the dolls in the real world, play a mainly decorative role. Spoilers for Barbie follow. In the film, we see a disgruntled Ken (played hilariously by Ryan Gosling) follow “Stereotypical” Barbie (Margot Robbie) to the real world where she has to find her human owner. This is all to fix an error that is allowing the real world to seep into Barbie land, with symptoms such as Barbie having an existential crisis. In the real world, Ken discovers the concept of the patriarchy. This sees him take a journey that is clearly influenced by, and pokes fun at, many aspects of contemporary anti-feminist men’s rights culture. <figure><iframe src="https://www.youtube.com/embed/pBk4NYhWNMM?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> <h2>Barbieland and the matriarchy</h2> It has been proposed that <a href="https://theconversation.com/in-greta-gerwigs-barbie-land-the-matriarchy-can-be-just-as-bad-as-the-patriarchy-209317">Barbieland is a matriarchy</a>, but I would argue that their attitude to Kens is instead indifference. Ken was aggrieved that Barbie didn’t notice him and reciprocate his affections. This is not dissimilar to the grievances of some real-life men under contemporary feminism. Why don’t women’s lives revolve around them? And what can they do to address this perceived injustice? The movie cleverly parallels the emotions, narratives and logics that lead men to extreme antifeminist and misogynistic thinking, and in doing so exposes the flimsiness of their foundations. Having undertaken <a href="https://apo.org.au/sites/default/files/resource-files/2020-12/apo-nid307612.pdf">research</a> on online antifeminist discourses, Ken’s journey from aggrievement to masculine “enlightenment” parallels themes we found in Men’s Rights Activist spaces. Radicalisation into this world is often motivated by a feeling among boys and men of being left behind by a feminist world or system that doesn’t value them. This then leads them to long for an imagined natural order of patriarchy where women are back in their place and men regain their entitlements. These logics underpin <a href="https://theconversation.com/yes-the-incel-community-has-a-sexism-problem-but-we-can-do-something-about-it-207206">incel</a> culture, a movement that is increasingly understood as a terror threat, and has been associated with various acts of terror, such as the 2022 Aotearoa New Zealand <a href="https://www.nzherald.co.nz/nz/closest-to-an-incel-attack-nz-has-had-experts-concern-after-attempted-murder-of-auckland-schoolgirls/HYPEVZ6F4BFT3CV2O4SXS5FR7U/">Epsom crash case</a>. <h2>The manosphere and MRAS</h2> The “<a href="https://link.springer.com/chapter/10.1007/978-3-319-68360-7_2">manosphere</a>” can be understood as a loose coalition of antifeminist online subcultures. This includes MRAs (<a href="https://journals.sagepub.com/doi/full/10.1177/1097184X15574338">Men’s Rights Activists</a>) who claim reverse discrimination and that feminism has gone too far, and <a href="https://journals.sagepub.com/doi/full/10.1177/1097184X18816118">Redpillers</a> who claim to have swallowed the “red pill” to see the truth about feminism’s dominance. PUAs (<a href="https://repository.upenn.edu/entities/publication/d8971ded-1ec3-4939-8c0a-ab248dad62ba">Pick up Artists</a>) teach men how to manipulate the women they feel they are entitled to, to give them sex; and MGTOWs (<a href="https://www.tandfonline.com/doi/full/10.1080/1369118X.2020.1751867">Men Going Their Own Way</a>), who are antifeminist separatists (from women). Some of the most well known members of the manosphere are incels (involuntary celibates) a misogynistic community of self identified “beta-males” who want an end to women’s rights which prevent them from getting sex. <h2>Ken’s grievances</h2> Like many MRAs, Ken struggles with a sense of entitlement romantically (rather than sexually in genital-free Barbieland), and in attitudes to power and respect. Ken was being “<a href="https://www.merriam-webster.com/dictionary/friend%20zone">friend-zoned</a>” by Barbie, who despite being “boyfriend and girlfriend” wouldn’t let him stay over at the Dream House, because “every night is girl’s night”. This is coupled with a feeling of not being special, as Ken is essentially interchangeable with any other Ken. He is also “alpha’d” by other Kens: in the language of the manosphere, Barbie is a <a href="https://www.abc.net.au/news/2018-04-27/incels-inside-their-terrifying-online-world/9700932">“Stacy” and the other Ken is an alpha “Chad”</a> preventing him from getting what he wants. In <a href="https://apo.org.au/sites/default/files/resource-files/2020-12/apo-nid307612.pdf">our data</a> we found women are often described as “overlords”, man-haters, misandrists and “feminazis”. Among other concerns, men perceive economic loss due to women’s participation in the workplace, and crucially a lack of men’s sexual access to women brought about by the gains of feminism such as the awareness raised around consent by the #metoo movement. These men all share a starting point of grievance at women and their perceived indifference towards them. When Ken goes to the real world, he discovers patriarchy and he LOVES it. He has been “redpilled”. Patriarchy explains his aggrievement, and affirms his feelings. He takes patriarchy back to Barbieland and transforms it to Kendom, where the men change it to a society oriented around men and their power (and horses…). <figure><iframe src="https://www.youtube.com/embed/Y1IgAEejvqM?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> <h2>Redpilled ken</h2> This redpilled Ken is a hilarious parody of the “neomasculinity” of the pick up artist (PUA) movement, that seeks to restore a masculine-centred world. Neomasculinity is about a belief in biological difference, traditional masculinity and heteronormative gender roles. The amusing depiction of the Kens trying to perform traditional <a href="https://www.britannica.com/topic/hypermasculinity">hypermasculinity</a> and needing their egos stroked – such as in a hilarious scene where the Kens are serenading the Barbies on the beach with an acoustic rendition of Matchbox Twenty’s <a href="https://youtu.be/HAkHqYlqops">Push</a> (“I wanna push you around … I wanna take you for granted”) – brilliantly shows the extent to which toxic masculinity is learned. <figure><iframe src="https://www.youtube.com/embed/HAkHqYlqops?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> Additionally, the competition among the Kens (that the Barbies ultimately stoke to overturn the Kentriarchy) is the perfect illustration of the damage toxic models of masculinity does to men. As Australian sociologist Raewyn Connell has long argued, almost no men can live up to <a href="https://www.jstor.org/stable/27640853">masculine ideals</a>, resulting in negative outcomes not just for women but also for men themselves. <h2>Finding the real Ken</h2> The movie ends with Barbie, her human (America Ferrera), “Weird Barbie” (Kate McKinnon) and Allan (Michael Cera) deprogramming the brainwashed Barbies and turning the Kens against each other. But what of Just Beach Ken? And what can we learn from this for preventing or managing radicalisation of this feeling of aggrievement in real men or boys? Well, Barbie and Ken reach a middle ground. Barbie encourages Ken to work out who he is outside of his relation to Barbie, and to learn being Just Ken is enough. This isn’t dissimilar to the methods of men’s behaviour change programs and counselling for men who use violence, which use <a href="https://www.tandfonline.com/doi/full/10.1080/10926771.2023.2189043">trauma-informed motivational interviewing</a>, reflect on challenging gender norms and breaking down rigid thought processes, and developing emotional literacy and communication strategies. But it also illustrates that men and boys need alternative narratives to make sense of themselves in the world, and alternative communities for affirmation, before it gets to this stage. In <a href="https://apo.org.au/sites/default/files/resource-files/2020-12/apo-nid307612.pdf">our report</a>, we recommended: "Providing alternative narratives and considering how far-right [or MRA] groups provide men with emotional support networks, with a view to providing better alternatives." Feminism has consistently been about separating attributes from their gendered associations, breaking down the Barbie/Ken binary. So if there is one thing we can take away from the Barbie movie, it is that hierarchy and rigid gender benefits nobody, and power and social roles have nothing to do with the genitals you are born with.<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/210273/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/lucy-nicholas-145660">Lucy Nicholas</a>, Associate professor Sexualities and Genders / Sociology, <a href="https://theconversation.com/institutions/western-sydney-university-1092">Western Sydney University</a> Image credits: Warner Bros. 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/kens-rights-our-research-shows-barbie-is-surprisingly-accurate-on-how-mens-rights-activists-are-radicalised-210273">original article</a>.

Caring

Why am I online? Research shows it’s often about managing emotions

<a href="https://theconversation.com/profiles/wally-smith-1450210">Wally Smith</a>, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a> and <a href="https://theconversation.com/profiles/greg-wadley-203663">Greg Wadley</a>, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a> Most of us <a href="https://wearesocial.com/au/blog/2022/02/digital-2022-australia-online-like-never-before/">go online</a> multiple times a day. About half of 18–29 year olds surveyed in a 2021 <a href="https://www.pewresearch.org/short-reads/2021/03/26/about-three-in-ten-u-s-adults-say-they-are-almost-constantly-online/">Pew Research Study</a> said they are “almost constantly” connected. How are we to make sense of this significant digital dimension of modern life? Many questions have rightly been asked about its broader consequences for society and the economy. But there remains a simpler question about what motivates people across a range of ages, occupations and cultures to be so absorbed in digital connection. And we can turn this question on ourselves: why am I online? <h2>What are we doing when we go online?</h2> As the American sociologist Erving Goffman <a href="https://www.nytimes.com/1975/02/16/archives/frame-analysis.html">pointed out</a>, asking “What is it that’s going on here?” about human behaviour can yield answers framed at different levels. These range from our superficial motives to a deeper understanding of what we are “really” doing. Sometimes we might be content to explain our online behaviour in purely practical terms, like checking traffic routes or paying a bill. Other times we might struggle to articulate our reasons for going or remaining online. Why are we continually looking at our phones or computers, when we could be getting on with physical tasks, or exercising, or meditating, or engaging more fully with the people who are physically around us? <h2>The ever-present need to manage our emotions</h2> As researchers of human-computer interaction, we are exploring answers in terms of the ever-present need to manage our emotions. Psychologists refer to this activity as <a href="https://www.guilford.com/books/Handbook-of-Emotion-Regulation/James-Gross/9781462520732">emotion regulation</a>. Theories of the nature and function of emotions are complex and contested. However, it is safe to say they are expressions of felt needs and motivations that arise in us through some fusion of physiology and culture. During a typical day, we often feel a need to <a href="https://journals.sagepub.com/doi/abs/10.1037/1089-2680.2.3.271">alter our emotional state</a>. We may wish to feel more serious about a competitive task or more sad at a funeral. Perhaps we would like to be less sad about events of the past, less angry when meeting an errant family member, or more angry about something we know in our heart is wrong. <figure><iframe src="https://www.youtube.com/embed/PQkNb4CLjJ8?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption>Digital emotion regulation is becoming increasingly common in our everyday lives.</figcaption></figure> One way to understand our frequent immersions into online experience is to see them as acts within a broader scheme of managing such daily emotional demands. Indeed, in <a href="https://www.sciencedirect.com/science/article/abs/pii/S1071581922001732">earlier research</a> we found up to half of all smartphone use may be for the purpose of emotional regulation. <h2>Digital technologies are becoming key tools of emotion regulation</h2> Over the pandemic lockdowns of 2020–21 in Melbourne, Australia, we investigated how digital technologies are becoming <a href="https://dl.acm.org/doi/10.1145/3491102.3517573">key tools of emotion regulation</a>. We were surprised to find that people readily talked of their technology use in these emotion-managing terms. Occasionally, this involved specially designed apps, for mindfulness and so on. But more often people relied on mundane tools, such as using social media alongside Zoom to combat feelings of boredom or isolation, browsing for “retail therapy”, playing phone games to de-stress, and searching online to alleviate anxiety about world events. To some extent, these uses of digital technology can be seen as re-packaging <a href="https://www.tandfonline.com/doi/abs/10.1080/026999399379285">traditional methods</a> of emotion management, such as listening to music, strengthening social connections, or enjoying the company of adorable animals. Indeed, people in our study used digital technologies to enact familiar strategies, such as immersion in selected situations, seeking distractions, and reappraising what a situation means. However, we also found indications that digital tools are changing the intensity and nature of how we regulate emotions. They provide emotional resources that are <a href="https://en.wikipedia.org/wiki/Ubiquitous_computing">nearly always available</a>, and virtual situations can be accessed, juxtaposed and navigated more deftly than their physical counterparts. Some participants in our study described how they built what we called “emotional toolkits”. These are collections of digital resources ready to be deployed when needed, each for a particular emotional effect. <h2>A new kind of digital emotional intelligence</h2> None of this is to say emotion regulation is automatically and always a good thing. It can be a means of avoiding important and meaningful endeavours and it can itself become dysfunctional. In our study of a small sample of Melburnians, we found that although digital applications appeared to be generally effective in this role, they are volatile and can lead to <a href="https://www.theguardian.com/commentisfree/2020/sep/27/social-dilemma-media-facebook-twitter-society">unpredictable emotional outcomes</a>. A search for energising music or reassuring social contact, for example, can produce random or unwanted results. A new kind of <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10187756/">digital emotional intelligence</a> might be needed to effectively navigate digital emotional landscapes. <h2>An historic shift in everyday life</h2> Returning to the question: what am I doing online? Emotion regulation may well be the part of the answer. You may be online for valid instrumental reasons. But equally, you are likely to be enacting your own strategies of <a href="https://cis.unimelb.edu.au/hci/projects/digitalemotionregulation">emotion regulation through digital means</a>. It is part of an historic shift playing out in how people negotiate the demands of everyday life. <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/208483/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/wally-smith-1450210">Wally Smith</a>, Professor, School of Computing and Information Systems, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a> and <a href="https://theconversation.com/profiles/greg-wadley-203663">Greg Wadley</a>, Senior Lecturer, Computing and Information Systems, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</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-am-i-online-research-shows-its-often-about-managing-emotions-208483">original article</a>.

Technology

What are the long-term effects of quitting social media? Almost nobody can log off long enough to find out

<a href="https://theconversation.com/profiles/john-malouff-313652">John Malouff</a>, <a href="https://theconversation.com/institutions/university-of-new-england-919">University of New England</a> Being on social media has become synonymous with living in the 21st century. Year after year, we see new platforms and smarter algorithms roping us into highly addictive online worlds. Now, a growing number of people have noticed this trend and are actively making an effort to resist it. Anecdotally, a case can be made for quitting social media, and there are myriad reasons why someone might want to. But is there evidence that doing so is good for you in the long term? <h2>Drivers for quitting</h2> Although there are too many social media platforms to name, most people tend to think of the “big five”: Facebook, Twitter, Instagram, YouTube and TikTok. Research has found people have various reasons for quitting one or more of these apps. Many quit over concerns about negative impacts on their mental and physical health. For example, studies have shown adolescent girls in particular can experience negative body image as a result of viewing manipulated <a href="https://theconversation.com/we-have-all-heard-social-media-can-impact-womens-body-image-but-it-isnt-all-bad-205214">selfies on Instagram</a>. People also <a href="https://www.qscience.com/content/journals/10.5339/connect.2023.spt.3?crawler=true">choose to quit</a> due to disliking ads, feeling like they’re wasting time, or if they’re worried about their privacy. The question then is: does quitting social media resolve these concerns? <h2>Mixed research outcomes</h2> It’s difficult to determine whether there are clear and lasting benefits to quitting social media – and a look at the research explains why. <a href="https://www.tandfonline.com/doi/full/10.1080/17459435.2020.1817140">One 2020 study</a> found people who had quit social media saw improvements in their close relationships, and were pleased to be free of comparison with others. But some also said they <a href="https://www.tandfonline.com/doi/full/10.1080/17459435.2020.1817140">missed</a> the informational and entertainment aspects of it. In a <a href="https://www.researchgate.net/publication/328838624_No_More_FOMO_Limiting_Social_Media_Decreases_Loneliness_and_Depression">2018 study</a>, researchers assessed the psychological state of 143 American undergraduates before randomly assigning one group a daily ten-minute limit for Facebook, Instagram and Snapchat, per platform. Three weeks later, those who limited their social media use showed significantly lower levels of loneliness and depression. However, there was no significant effect on anxiety, self-esteem or wellbeing. And in <a href="https://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0217743&fbclid=IwAR1oLvPyeJDwMhD4WlODKU1A360ttIcaV_tManJs1_qEr-VAVZPsD0xQjq0">one 2019 study</a> with 78 participants, half were asked to take a one-week break from Facebook and Instagram. To the researchers’ surprise, the users in this group who were generally active on social media experienced less positive psychological effects than those in the control group. With research findings painting several different pictures, it’s safe to say our relationship with social media – and how it affects us – is very complex. <h2>Research constraints</h2> There appear to be no published studies that have assessed the long-term impacts of permanently quitting social media. This is probably because it’s difficult to find participants who will agree to be randomly assigned the task of dropping social media forever. One important consideration is that a percentage of individuals who quit social media will eventually <a href="https://cyberleninka.org/article/n/992039/viewer">go back</a>. Reasons for returning include feeling left out, fearing loss of connections, wanting to regain access to interesting or useful information, feeling social pressure to rejoin, or simply feeling that quitting wasn’t the right choice. Even if researchers do find a large enough group of people willing to quit social media for good, conducting long-term follow-ups would be highly resource-intensive. Beyond that, it would be difficult to figure out how much of a participant’s increase (or decrease) in life satisfaction is due to quitting social media, and not other factors. As such, there’s currently no evidence that quitting social media comes with concrete long-term benefits. And in the short term, results are mixed. <h2>To quit, or not to quit?</h2> However, that doesn’t mean quitting (for a short or long period) wouldn’t be beneficial for some people. It’s likely that any potential benefits will depend on the individual doing the quitting, and why they’re doing it. For instance, consensus that does emerge from the research is that <a href="https://theconversation.com/does-social-media-make-us-more-or-less-lonely-depends-on-how-you-use-it-128468">the way you use</a> social media plays a significant role in how negative or positive your experience is. By <a href="https://journals.sagepub.com/doi/pdf/10.1177/2056305120919105">using social media mindfully</a>, users can minimise potential harms while retaining the benefits. For some, it may only be one platform causing unease. If you strongly dislike Instagram’s tendency to be hyper-focused on people’s private lives, then you could simply stop using Instagram. Another technique is to curate your social media feeds by engaging only with content you find useful and positive. For instance, many young women take steps to avoid seeing <a href="https://theconversation.com/we-have-all-heard-social-media-can-impact-womens-body-image-but-it-isnt-all-bad-205214?fbclid=IwAR3cX7l116GAj0nnKDAk16x6GP6iRCxH_VutjIbxOiCij1yCqWmeOK0s0f0">perfect bodies all day</a> on their social media. If you’re still wondering whether quitting might be good for you, the simplest way to find out is to <a href="https://hbr.org/2018/10/i-ran-4-experiments-to-break-my-social-media-addiction-heres-what-worked">experiment</a> and do it. Take a break from one or more types of social media. After some time ask yourself whether the benefits seem worth it to you. If the answer is “yes”, make the break permanent. <a href="https://theconversation.com/profiles/john-malouff-313652">John Malouff</a>, Associate Professor, School of Behavioural, Cognitive and Social Sciences, <a href="https://theconversation.com/institutions/university-of-new-england-919">University of New England</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/what-are-the-long-term-effects-of-quitting-social-media-almost-nobody-can-log-off-long-enough-to-find-out-205478">original article</a>. Images: Getty

Technology

Travelers will refuse an upgrade to sit near a loved one – new research into when people want to share experiences

<a href="https://theconversation.com/profiles/ximena-garcia-rada-1238853">Ximena Garcia-Rada</a>, <a href="https://theconversation.com/institutions/texas-aandm-university-1672">Texas A&M University</a>; <a href="https://theconversation.com/profiles/michael-norton-145591">Michael Norton</a>, <a href="https://theconversation.com/institutions/harvard-university-1306">Harvard University</a>, and <a href="https://theconversation.com/profiles/rebecca-k-ratner-1439964">Rebecca K. Ratner</a>, <a href="https://theconversation.com/institutions/university-of-maryland-1347">University of Maryland</a> The <a href="https://theconversation.com/us/topics/research-brief-83231">Research Brief</a> is a short take about interesting academic work. <h2>The big idea</h2> People will often sacrifice a better experience and opt for one that’s less enjoyable if it means they can do it alongside a loved one – whether that’s a romantic partner, close friend or relative. That’s the main finding of <a href="https://doi.org/10.1002/jcpy.1352">our research</a> published in the Journal of Consumer Psychology in April 2023. For example, when taking a flight, two friends might decide to sit in adjacent seats in coach rather than accept a free upgrade to nonadjacent seats in first class. Failing to choose togetherness can have consequences, as in the “<a href="https://www.youtube.com/watch?v=d2JKXbVGq7A">Seinfeld” episode</a> in which Elaine suffers the indignities of economy class, leading to rage against Jerry after he chooses to accept an upgrade. We conducted five studies in a variety of settings and featuring different social bonds, including friendships and romantic relationships. In one study, just over half of people chose two adjacent seats far from the stage over two nonadjacent seats closer to the stage when imagining they were attending a Cirque du Soleil performance with a close friend, compared with only about one-third who chose the adjacent seats when imagining attending with an acquaintance. In another study, we asked students whether they wanted to eat one chocolate with another person – either a new friend or a stranger – or two chocolates alone. Half the people chose the shared experience – but only if the other person was a friend. Fewer people – 38% – opted for the shared experience if the other person was a stranger. <h2>Why it matters</h2> One reason people prioritize physical proximity with close partners is because they want to create shared memories. Importantly, people believe that physical distance can disrupt the creation of shared memories, and so they forgo enjoyable experiences apart from their loved one. This also matters for companies seeking to improve customer experience, such as an airline offering free upgrades or shorter wait times. Our findings suggest that, for example, consumers traveling with a companion might not take advantage of services like TSA PreCheck, an airline VIP lounge or a free upgrade if it is available only for themselves. It also helps explain why consumers do not like when <a href="https://www.nytimes.com/2023/03/06/travel/airlines-family-seating-dashboard.html">airlines split up families</a> in their seat assignments. However, we also tested a few initiatives marketers can use to encourage people to choose a higher-quality experience that requires them to be apart from their companion. In another experiment, we described a train ride as either a fun part of an excursion or as a practical way to reach a final destination. More participants accepted a free upgrade – even though it required sitting apart from their romantic partner – when they perceived the train ride as utilitarian. That’s because they cared less about creating shared memories during the experience. <h2>What still isn’t known</h2> We still don’t know how this preference affects relationship quality. For example, when can time apart from your partner actually strengthen the relationship? And how should couples split their time between lower-quality activities done together and higher-quality activities done alone? One option for separate activities, for example, might be when one partner’s desired activity does not interest the other. Also, given that people believe physical proximity is a prerequisite for creating shared memories, how can partners who live in different places also cultivate shared memories? This question is especially important in light of how COVID-19 has enabled more people to work and study remotely.<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/205363/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> Image credit: Getty <a href="https://theconversation.com/profiles/ximena-garcia-rada-1238853">Ximena Garcia-Rada</a>, Assistant Professor of Marketing, <a href="https://theconversation.com/institutions/texas-aandm-university-1672">Texas A&M University</a>; <a href="https://theconversation.com/profiles/michael-norton-145591">Michael Norton</a>, Professor of Business Administration, <a href="https://theconversation.com/institutions/harvard-university-1306">Harvard University</a>, and <a href="https://theconversation.com/profiles/rebecca-k-ratner-1439964">Rebecca K. Ratner</a>, Professor of Marketing, <a href="https://theconversation.com/institutions/university-of-maryland-1347">University of Maryland</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/travelers-will-refuse-an-upgrade-to-sit-near-a-loved-one-new-research-into-when-people-want-to-share-experiences-205363">original article</a>.

International Travel

Huge news for Alzheimer’s sufferers

An experimental new drug by Eli Lilly has demonstrated an ability to slow the progression of Alzheimer’s disease, according to new study reports. The pharmaceutical company has said that its drug, donanemab, met each goal of their 18-month trial, successfully slowing cognitive decline by 35 per cent compared to a placebo. 1,182 individuals in the early stages of Alzheimer’s participated in the study, with each patient receiving monthly infusions of donanemab. After 12 months, half of the participants showed no evidence of amyloid plaques, while 48 per cent of patients in the trial had no disease progression at 12 months, compared to 29 per cent from the placebo group. In the wake of the news, experts are optimistic, but still hold concerns about the risks moving forward. Dr Ronald Petersen, a Mayo Clinic Alzheimer research, told the ABC that “Lilly's trial is the third to show removing amyloid from the brain slows progression of the disease, which could put to rest some lingering doubts about the benefits of drugs in the class and the amyloid-lowering theory. "It's modest, but I think it's real and I think it's clinically meaningful." Washington University neurologist Dr Erik Musiek noted that mounting evidence was suggesting “that these drugs do work”. He also said that the findings were reminding them of the benefits of early treatment, explaining that “it really does suggest that you need to remove these plaques early, before the tau really gets going.” When it comes to the associated risks, Eli Lilly have said that the drug’s side effects could include brain swelling as well as bleeding, with serious swelling occurring in 1.6 per cent of patients. As Dr Eric Reiman, Banner Alzheimer’s Institute’s executive director, explained, “clearly one saw benefits here, but there is some risk that needs to be considered.” From there, Lily plan to file for US approval by the end of June, and to proceed with regulars from other countries in the time after. A spokesperson for the company is confident that a decision over approval in the US should occur by the end of 2023, or early in 2024. Experts in the field want to see the study’s full results, which are likely to be presented at an Amsterdam Alzheimer’s meeting later in the year. As for the cost, the company has not yet finalised a price point, but CEO David Ricks informed CNBC that they intend for it to be similar to other therapies in the same field. Images: Getty

Caring

New study reveals the lifetime health benefits of social interaction

A new meta-analysis study - undertaken by the Centre for Healthy Brain Ageing (otherwise known as the CHeBA) at the University of New South Wales - has revealed that social interaction could have benefits many would never have thought to predict, from a reduced risk of dementia to overall increased longevity. Researches were investigating the link between social connections in senior citizens and the risk of mild cognitive impairment (MCI), as well as dementia and morality, compiling the results from 13 other international studies following individuals aged 65 years and up over extended periods of time - research published in <a href="https://u26892420.ct.sendgrid.net/ls/click?upn=B8NE7CRkW4hCmh1dHfJbPqy22DjCz8-2Bq3ZidKWozGaZDoG-2FmVx-2BVsAja535jGrbQlYGwKkrcgY4HPBHrSRE-2Bpq1fwuJ0AQZcKTgnOiva5gsjqRFzNLSYGGzJ4hgT-2Bp0b-7Jp_W1g0lLgOQvKHpoedb1QOitWbx1JxegS3ChuQBoUMMSvQphp8oKfzCnK1hk7FLUZqqTLorFP-2FYQB6URmHLHx65PjMZSysYz3YQI-2BzvIxBhVdZr2Z1gRzt72cMfkaib4uVOYXTxECJWWsRmLyHtb8tdUoPs6u4lvqr8I7xD4zbJqJTqeP2zMO2vFFc6dcczrApzJnOWkq2tOchRyvzstzbQnlU1N4WSe4ZAMtqjmGx6sSvfxYICFLpppnmosd6kUUL-2B2zjjEQ61i38e9TYUaT6LZA5aIGcpHJw26Ob-2BXzuvv-2BuHbhihyIqh2AUTJ2WAYsCw6hpo5SJ7JKlgCF4nYeiekLQeVVLm4GRjjckYyIIN48-3D">Alzheimer's & Dementia: The Journal of the Alzheimer's Association</a>. As author, clinical psychologist, and researcher Dr Suraj Samtani explained, “we know from previous research that social connections are important for our health and being isolated puts us at higher risk of dementia and death.” “Our goal was to find which social connections protect us from dementia and death.” Researches drew intel from studies in a number of countries - spanning low, middle, and high-income nations - and compiled a study population more diverse than the meta-analyses to come before, including the likes of Australia, European nations, North and South America, Asia, and Africa, as opposed to the previous North America and European study groups. From there, they looked at information about the connections between the participants, paying close attention to the types of social links (whether they were in a relationship, single, or married, or involved with their community), the function of them (whether or not they had social support on hand, or a close confidante), and the quality (how much satisfaction they did - or did not - receive from their relationships). With this information, they sought to find out if the participants had developed either MCI or dementia - as well as whether or not they had passed away. “We looked at social variables across these studies, such as living with others, interacting with friends and family, engaging in community activities, and social support,” Dr Samtani said. “We wanted to know which of these are associated with risk of getting dementia over time or dying.” And from their research, they discovered that positive social connections did appear to be linked to a lower risk of MCI, dementia, and death. “We found that frequent interactions - monthly or weekly - with family and friends and having someone to talk to reduced the risk of getting dementia. We also found that living with others and doing community activities reduced the risk of dying,” Dr Samtani noted. Recommendations from the researchers suggest that people should be prioritising their social connections if they hope to reduce their risk of cognitive decline - with the added benefit of living longer, too. “Try to meet with friends and family at least once a month, take part in community activities like volunteering or a rotary club, and open your heart to someone when you feel stressed,” Dr Samtani said. “Living with others, for example in an intergenerational household, is also helpful. “Connecting with others helps us to keep our bodies and minds healthy. “We hope that helping people to stay engaged in conversations and maintain healthy friendships and relationships will help them to stay healthy and happy.” Images: Getty

Relationships

Like father, like son: new research shows how young men ‘copy’ their fathers’ masculinity

Today’s men express their maleness in different ways. Some adhere to more traditional models of masculinity, characterised by beliefs in male superiority and endorsement of risky or violent behaviours. Others embrace more progressive stances. But how do men develop their ideas, beliefs and behaviours in relation to masculinity? Our <a href="https://link.springer.com/article/10.1007/s11199-023-01364-y">new study</a> addresses this question by focusing on one important factor influencing how young men express their masculinity – their fathers. Our research set out to ask: do young men “copy” their fathers’ masculinity? We found that young men whose fathers support more traditional forms of masculinity are more likely to do so themselves. This highlights the critical role fathers play in steering boys towards healthier ideas about masculinity. <h2>Measuring masculinity</h2> We analysed data from 839 pairs of 15-to-20-year-old men and their fathers. These data were taken from a large, Australian <a href="https://tentomen.org.au/">national survey</a> on men’s health. The survey asked men a set of 22 <a href="https://psycnet.apa.org/doiLanding?doi=10.1037%2Ft27381-000">scientifically validated questions</a> about how they felt and behaved in relation to many issues around masculinity. For example, they were asked about: <ul> <li> the significance of work and social status for their sense of identity </li> <li> their take on showing emotions and being self-reliant </li> <li> their endorsement of risk-taking and violent behaviours </li> <li> the importance they assigned to appearing heterosexual and having multiple sex partners </li> <li> and their beliefs about winning, dominance over others and men’s power over women. </li> </ul> Taken together, the answers to these questions offered us a window into whether the men participating in the survey adopted more of a traditional or progressive type of masculinity. They also enabled us to compare fathers’ and sons’ expressions of masculinity. <h2>What we found</h2> We found that, on average, young men are slightly more traditional in how they express their masculinity than their fathers. On a scale from 0 to 100, with 100 indicating high conformity to traditional masculinity and 0 indicating low conformity, the average masculinity score for young men was 44.1, and for their fathers, it was 41. Using statistical models, we then examined whether there was an association between how traditional a father’s masculinity is and how traditional their son’s masculinity is. To make sure we isolated the effect of fathers’ masculinity, the models took into account other factors that may also shape young men’s expressions of masculinity. These included their age, education, sexual orientation, religion, household income and place of residence, among others. The results were clear. Young men who scored highly on the traditional masculinity measures tended to have fathers who also scored highly. We identified similar results for 20 of the 22 individual masculinity questions. The strongest father-son associations emerged for questions about the endorsement of violence, importance of appearing heterosexual, and desirability of having multiple sexual partners. This indicates these aspects of masculinity are comparatively more likely to be “passed on” from fathers to sons. <h2>What our findings mean</h2> As is <a href="https://www.sciencedirect.com/science/article/abs/pii/S0049089X21000740?via%3Dihub">well-established</a>, social learning is important in shaping young people’s attitudes and behaviours. While fathers aren’t the only influence, <a href="https://link.springer.com/article/10.1007/s11199-023-01364-y">our study</a> suggests young men learn a lot about how to be a man from their dads. This is an intuitive finding, but we had little empirical evidence of it until now. Confirming that dads “pass on” their masculinity beliefs to their sons has far-reaching implications. For example, it goes a long way in explaining why traditional models of masculinity remain entrenched in today’s society. Our study indicates that breaking this cycle requires bringing fathers into the mix. Policies, interventions and programs aimed at promoting <a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0216955">healthy masculinity</a> among young people are more likely to work if they also target their dads. This proposition is consistent with a growing body of programs focused on <a href="https://pubmed.ncbi.nlm.nih.gov/31495253/">engaging fathers</a> in positive parenting. What’s more, our findings underscore the potential long-term effects of successful intervention. If a program manages to help young people develop <a href="https://www.unfpa.org/sites/default/files/pub-pdf/Adolescent-Boys-and-Young-Men-final-web_0.pdf">positive masculinity</a>, it’s likely that — as they themselves become fathers — their own children’s masculinity is also positively affected. Image credits: Getty Images This article originally appeared on <a href="https://theconversation.com/like-father-like-son-new-research-shows-how-young-men-copy-their-fathers-masculinity-203834" target="_blank" rel="noopener">The Conversation</a>.

Family & Pets

The rich are pouring millions into life extension research – but does it have any ethical value?

Sam Altman, the chief executive of OpenAI, <a href="https://www.technologyreview.com/2023/03/08/1069523/sam-altman-investment-180-million-retro-biosciences-longevity-death/">recently invested</a> US$180 million into Retro Biosciences – a company seeking to extend human lifespans by <a href="https://retro.bio/announcement/">ten healthy years</a>. One way it plans to achieve this is by “rejuvenating” blood. This idea is based on studies that found old mice <a href="https://www.science.org/content/article/young-blood-renews-old-mice">showed signs of reversed ageing</a> when given the blood of young mice. Altman isn’t the only Silicon Valley entrepreneur supporting life extension efforts. PayPal cofounder Peter Thiel, Amazon founder Jeff Bezos and Google cofounder Larry Page have <a href="https://www.theguardian.com/science/2022/feb/17/if-they-could-turn-back-time-how-tech-billionaires-are-trying-to-reverse-the-ageing-process">poured millions</a> into projects that could profoundly affect how we live our lives. The first question raised is scientific: could these technologies work? On this front the jury is still out, and there are grounds for both <a href="https://newseu.cgtn.com/news/2021-01-14/How-close-are-we-to-radical-life-extension-and-is-it-a-good-idea--X03UFbnMWs/index.html">optimism</a> and scepticism. The second question is just as important: even if lifespan extension is feasible, would it be ethical? We explain why some common ethical arguments against lifespan extension aren’t as solid as they might seem – and put forth another, somewhat overlooked explanation for why trying to live forever might not be worth it. <h2>Is it worth it if you still die anyway?</h2> One might argue lifespan extension merely pushes back the inevitable: that we will die. However, the problem with this view is that any life saved will only be saved temporarily. A lifespan extension of ten years is akin to saving a drowning swimmer, only for them to die in a traffic accident ten years later. Although we might be sad about their eventual death, we’d still be glad we saved them. The same is true of conventional medicine. If a doctor cures my pneumonia, I will eventually die of something else, but that doesn’t mean the doctor or I will regret my being saved. It’s also worth taking a longer view of where lifespan extension research could lead us. In the <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC423155/">most optimistic scenarios</a> put forth by experts, even modest short-term gains could help people add centuries to their life, since the benefits of each intervention could cascade. For example, each extra year of life would increase the likelihood of surviving until the next big breakthrough. <h2>Is it worth it if immortality could get boring?</h2> <a href="https://www.sciencedirect.com/science/article/abs/pii/S0277953604004691">Many</a> <a href="https://www.sciencedirect.com/science/article/abs/pii/S0890406510000757">have argued</a> against lifespan extension on ethical grounds, saying they wouldn’t use these technologies. Why might somebody be opposed? One worry is that a very long life might be undesirable. Philosopher <a href="https://www.cambridge.org/core/books/abs/problems-of-the-self/makropulos-case-reflections-on-the-tedium-of-immortality/9180185912980E017EE675254B2F4169">Bernard Williams</a> said life is made valuable through the satisfaction of what he calls “categorical desires”: desires that give us reason to want to live. Williams expects these desires relate to major life projects, such as raising a child, or writing a novel. He worries that, given a long enough life, we will run out of such projects. If so, immortality would become tedious. It’s unclear whether Williams is right. <a href="https://www.tandfonline.com/doi/abs/10.1080/09672559.2012.713383">Some philosophers</a> point out human memories are fallible, and certain desires could resurface as we forget earlier experiences. <a href="https://link.springer.com/article/10.1007/s10892-015-9203-8">Others</a> emphasise that our categorical desires evolve as our life experiences reshape our interests – and might continue to do so over the course of a very long life. In either case, our categorical desires, and hence our reason for living, would not be exhausted over a very long life. Even if immortality did get tedious, this wouldn’t count against modest lifespan extensions. Many would argue 80-something years isn’t enough time to explore one’s potential. Personally, we’d welcome another 20 or even 50 years to write a novel, or start a career as a DJ. <h2>Is it worth it if poor people miss out?</h2> Another worry regarding lifespan extension technologies is egalitarian. These technologies will be expensive; it seems unjust for Silicon Valley billionaires to celebrate their 150th birthdays while the rest of us mostly die in our 70s and 80s. This objection seems convincing. Most people welcome interventions that promote health equality, which is reflected in broader societal demands for universal healthcare. But there’s important nuance to consider here. Consider that universal healthcare systems promote equality by improving the situation of those who aren’t well off. On the other hand, preventing the development of lifespan extension technologies will worsen the situation of those who are well off. The ethical desirability of equality based on “<a href="https://onlinelibrary.wiley.com/doi/abs/10.1111/1467-9329.00041">levelling down</a>” is unclear. The poorest Australians are <a href="https://theconversation.com/the-poorest-australians-are-twice-as-likely-to-die-before-age-75-as-the-richest-and-the-gap-is-widening-139201">twice as likely</a> to die before age 75 than the richest. Yet few people would argue we should stop developing technologies to improve the health of those aged over 75. Moreover, the price of lifespan extension technologies would eventually likely come down. <h2>The real problem</h2> However, we think there’s one serious ethical objection that applies to extreme cases of life extension. If humans routinely lived very long lives, this could reduce how adaptable our populations are, and lead to social stagnation. Even modest increases in life expectancy would radically increase population size. To avoid overpopulation, we’d need to <a href="https://theconversation.com/thinking-of-having-a-baby-as-the-planet-collapses-first-ask-yourself-5-big-ethical-questions-196388">reduce birth rates</a>, which would drastically slow generational turnover. As one of us (Chris) has explored in previous <a href="https://academic.oup.com/jmp/article/40/6/696/2747126">research</a>, this could be incredibly harmful to societal progress, because it may: <ol> <li>increase our vulnerability to extinction threats</li> <li>jeopardise individual wellbeing, and</li> <li>impede moral advancement.</li> </ol> Many fields benefit from a regular influx of young minds coming in and building on the work of predecessors. Even if the brains of older scientists remained sharp, their “confirmation bias” – a tendency to seek and interpret information in ways that confirm one’s prior beliefs – could slow the uptake of new scientific theories. Moral beliefs are also prone to <a href="https://link.springer.com/article/10.1007/s10670-020-00252-1">confirmation bias</a>. In a world of extended lifespans, individuals whose moral views were set in their youth (perhaps more than 100 years ago) will remain in positions of power. It seems likely our society’s moral code is <a href="https://link.springer.com/article/10.1007/s10677-015-9567-7">badly mistaken</a> in at least some respects. After all, we think past societies were catastrophically mistaken in theirs, such as when they endorsed slavery, or rendered homosexuality illegal. Slowing generational turnover could delay the point at which we recognise and fix our own moral catastrophes, especially those we can’t yet see. Image credits: Getty Images This article originally appeared on <a href="https://theconversation.com/the-rich-are-pouring-millions-into-life-extension-research-but-does-it-have-any-ethical-value-201774" target="_blank" rel="noopener">The Conversation</a>.

Caring

Attention plant killers: new research shows your plants could be silently screaming at you

If you’re like me, you’ve managed to kill even the hardiest of indoor plants (yes, despite a doctorate in plant biology). But imagine a world where your plants actually told you exactly when they needed watering. This thought, as it turns out, may not be so silly after all. You might be familiar with the growing body of work that <a href="https://theconversation.com/heard-it-on-the-grapevine-the-mysterious-chatter-of-plants-6292">provides evidence for</a> plants being able to sense sounds around them. Now, new research suggests they can also generate airborne sounds in response to stress (such as from drought, or being cut). A team led by experts at Tel Aviv University has shown tomato and tobacco plants, among others, not only make sounds, but do so loudly enough for other creatures to hear. Their findings, <a href="https://www.cell.com/cell/fulltext/S0092-8674(23)00262-3">published today</a> in the journal Cell, are helping us tune into the rich acoustic world of plants – one that plays out all round us, yet never quite within human earshot. <h2>Plants can listen, but now they can talk!</h2> Plants are “sessile” organisms. They can’t run away from stressors such as herbivores or drought. Instead, they’ve evolved complex biochemical responses and the ability to dynamically alter their growth (and regrow body parts) in response to environmental signals including light, gravity, temperature, touch, and volatile chemicals produced by surrounding organisms. These signals help them maximise their growth and reproductive success, prepare for and resist stress, and form mutually beneficial relationships with other organisms such as fungi and bacteria. In 2019, <a href="https://www.nationalgeographic.com/science/article/flowers-can-hear-bees-and-make-their-nectar-sweeter">researchers showed</a> the buzzing of bees can cause plants to produce sweeter nectar. Others <a href="https://www.tandfonline.com/doi/full/10.1080/15592324.2017.1368938">have shown</a> white noise played to Arabidopsis, a flowering plant in the mustard family, can trigger a drought response. Now, a team led by Lilach Hadany, who also led the aforementioned bee-nectar study, has recorded airborne sounds produced by tomato and tobacco plants, and five other species (grapevine, henbit deadnettle, pincushion cactus, maize and wheat). These sounds were ultrasonic, in the range of 20-100 kilohertz, and therefore can’t be detected <a href="https://www.ncbi.nlm.nih.gov/books/NBK10924/">by human ears</a>. <h2>Stressed plants chatter more</h2> To carry out their research, the team placed microphones 10cm from plant stems that were either exposed to drought (less than 5% soil moisture) or had been severed near the soil. They then compared the recorded sounds to those of unstressed plants, as well as empty pots, and found stressed plants emitted significantly more sounds than unstressed plants. In a cool addition to their paper, they also included a soundbite of a recording, downsampled to an audible range and sped up. The result is a distinguishable “pop” sound. The number of pops increased as drought stress increased (before starting to decline as the plant dried up). Moreover, the sounds could be detected from a distance of 3-5 metres – suggesting potential for long-range communication. <h2>But what actually causes these sounds?</h2> While this remains unconfirmed, the team’s findings suggest that “cavitation” may be at least partially responsible for the sounds. Cavitation is the process through which air bubbles expand and burst inside a plant’s water-conducting tissue, or “xylem”. This explanation makes sense if we consider that drought stress and cutting will both alter the water dynamics in a plant stem. Regardless of the mechanism, it seems the sounds produced by stressed plants were informative. Using machine learning algorithms, the researchers could distinguish not only which species produced the sound, but also what type of stress it was suffering from. It remains to be seen whether and how these sound signals might be involved in plant-to-plant communication or plant-to-environment communication. The research has so far failed to detect any sounds from the woody stems of woody species (which includes many tree species), although they could detect sounds from non-woody parts of a grapevine (a woody species). <h2>What could it mean for ecology, and us?</h2> It’s temping to speculate these airborne sounds could help plants communicate their stress more widely. Could this form of communication help plants, and perhaps wider ecosystems, adapt better to change? Or perhaps the sounds are used by other organisms to detect a plant’s health status. Moths, for example, hear within the ultrasonic range and lay their eggs on leaves, as the researchers point out. Then there’s the question of whether such findings could help with future food production. The <a href="https://www.agriculture.gov.au/sites/default/files/sitecollectiondocuments/abares/publications/Outlook2012FoodDemand2050.pdf">global demand</a> for food will only rise. Tailoring water use to target individual plants or sections of field making the most “noise” could help us more sustainably intensify production and minimise waste. For me personally, if someone could give a microphone to my neglected veggie patch and have the notifications sent to my phone, that would be much appreciated! Image credits: Getty Images This article originally appeared on <a href="https://theconversation.com/attention-plant-killers-new-research-shows-your-plants-could-be-silently-screaming-at-you-202833" target="_blank" rel="noopener">The Conversation</a>.

Home & Garden

Why difficult childhood experiences could make you age prematurely

We know that comparatively disadvantaged people, even in rich countries, have worse health and <a href="https://www.huffingtonpost.com.au/2017/01/31/low-socioeconomic-status-affects-life-expectancy-more-than-obesi_a_21704449/">shorter life expectancy</a> than others. But what is it exactly about socioeconomic disadvantage and other environmental difficulties that affects our biology? And at what age are we most vulnerable to these effects? While it is unclear exactly how the social environment influences a person’s biology at the molecular level, processes related to ageing are likely to be involved. One such process is DNA methylation, a mechanism used by cells to control gene expression. Specifically, it determines whether and when a gene is turned on, turned off or dialled up or down. Now a new study, <a href="https://academic.oup.com/aje/advance-article/doi/10.1093/aje/kwy155/5060528?guestAccessKey=df5d8e87-4e2d-4bff-b0fb-72ad5319f825#119252619">published in the American Journal of Epidemiology</a>, suggests that this process may be affected by circumstances in our youth – ultimately affecting how we age. All cells in the human body – from blood and skin cells to neurons – share the same genetic code. So how are they so different? The answer lies in gene expression: which of the many thousands of genes in each human cell are switched on, to what extent, and at which stage in the cell’s development. This varies not just between cell types but between people, helping to explain why identical twins can be visibly different. Physically, DNA methylation involves modification of “letters” of the genetic code by addition or removal of a <a href="https://www.britannica.com/science/methyl-group">methyl group</a> – affecting how much the gene is expressed. Because the distribution of methyl groups along the genome changes in systematic ways with ageing, you can estimate a person’s age from DNA methylation patterns in cells from a blood sample by applying an algorithm. This <a href="https://theconversation.com/how-epigenetics-may-help-us-slow-down-the-ageing-clock-76878">measure of “biological age”</a> is relevant to longevity – individuals with an “older” DNA methylation age are at greater risk of age-related disease and mortality. Meanwhile, it seems environmental influences may alter or “accelerate” age-related changes in methylation: associations have been shown between DNA methylation age and stress, dietary factors and pollution. This suggests DNA methylation age may be one pathway by which the social environment can affect health. New data Data was used from 1099 adults in the UK to look at whether different dimensions of socioeconomic disadvantage were linked to elevated DNA methylation age, calculated in two ways. When blood samples were collected, the survey had already collected annual information on the same people’s socioeconomic circumstances for 12 years. This meant the study was able to consider current and longer-term measures of things like income, employment status and educational qualifications. Crucially, this data also included information about the occupational social class of an individual’s parents when they were 14. The research discovered that only the last measure showed a clear link with DNA methylation age. Individuals whose parents worked in semi routine or routine occupations were about one year “older” than individuals whose parents worked in managerial or professional roles. Individuals who did not have working parents, or had parents who had died, fared still worse: they were 2.4 or 1.85 years older depending on the algorithm used. The calculations did take account of other relevant factors including smoking, body mass index and the actual age of the study participants. These results suggest DNA methylation age is an aspect of a person’s biology which is vulnerable to influences early in life, but surprisingly robust when it comes to difficulties experienced in adulthood. The next question is which aspects of the childhood socioeconomic environment are most relevant. Is it financial strain, housing quality or diet? Equally important will be to figure out which factors could provide resilience to these effects, potentially buffering children from a lasting impact of disadvantage on DNA methylation age. Of course, the results will need to be replicated, and since DNA methylation age was only measured once, the survey could not definitively prove cause and effect. But the results <a href="https://jech.bmj.com/content/62/5/387">add to extensive evidence</a> that early life circumstances can cast a long shadow on adult health. Perhaps most importantly, this strengthens the case for making sure all children are fully supported. Written by Amanda Hughes and Meena Kumari. Republished with permission of <a href="https://theconversation.com/difficult-childhood-experiences-could-make-us-age-prematurely-new-research-102807">theconversation.com</a>. Image credit: Shutterstock

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Is menopause making me put on weight? No, but it’s complicated

It’s a question people ask often: does menopause cause weight gain? Women commonly put on weight as they enter menopause. <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8569454/">Research</a> shows women aged 46-57 gain an average of <a href="https://pubmed.ncbi.nlm.nih.gov/11910598/">2.1kg over five years</a>. But like many things related to weight, all is not what it seems, and the relationship between menopause and weight gain is not straightforward. Here’s everything you need to know about menopausal weight gain and what you can do about it. <h2>What typically happens to women’s bodies during menopause?</h2> Menopause marks the natural end of the reproductive stage of a woman’s life. It officially starts when a woman has not menstruated for <a href="https://www.sciencedirect.com/science/article/abs/pii/S0140673698053525">12 months</a>, and most women reach menopause between the ages of <a href="https://academic.oup.com/ije/article/43/5/1542/695928?login=false">45 and 55</a>, but it can happen much earlier or later. The transition to menopause, however, typically starts four years prior, with perimenopause marking the time when a woman’s ovaries start slowing down, producing less oestrogen and progesterone. Eventually, these hormone levels fall to a point at which the ovaries stop releasing eggs and menstruation stops. The symptoms associated with the menopausal transition are many and varied, and can include irregular periods, breast pain, vaginal dryness, hot flashes, night sweats, fatigue, difficulty sleeping, and changes in mood and libido. <h2>So does menopause cause weight gain?</h2> The short answer is no. But it’s complicated. When it comes to menopause and weight, it’s weight redistribution – not weight gain – that is actually a symptom. <a href="https://www.ajog.org/article/S0002-9378(19)30588-5/fulltext">Research</a> has confirmed menopause is linked to an increase in belly fat but not an increase in overall weight. This is because the hormonal changes experienced during menopause only prompt a change in <a href="https://www.sciencedirect.com/science/article/abs/pii/S0002937896701114">where the body stores fat</a>, making women’s stomachs and <a href="https://www.ajog.org/article/S0002-9378(19)30588-5/fulltext">waists</a> more prone to weight gain. <a href="https://pubmed.ncbi.nlm.nih.gov/10702775/">Research</a> shows visceral fat (deep belly fat) increases by nearly 50% in postmenopausal women, compared with premenopausal women. It’s also important to recognise some menopause symptoms may indirectly contribute to weight gain: <ul> <li> sleep issues can lead to sleep deprivation, disturbing the body’s <a href="https://onlinelibrary.wiley.com/doi/full/10.1002/oby.23616">appetite hormones</a>, increasing feelings of hunger and triggering food cravings </li> <li> some mood changes can activate the body’s stress responses, increasing the production of the hormone cortisol, promoting fat storage and triggering unhealthy food cravings. Mood can also impact the motivation to exercise </li> <li> fatigue, breast pain and hot flushes can make physical activity challenging or uncomfortable, also impacting the ability to exercise. </li> </ul> <h2>The truth? Ageing is the real cause of menopausal weight gain</h2> You read that right – the weight gain often associated with menopause is a <a href="https://www.sciencedirect.com/science/article/pii/S1568163709000415">byproduct of ageing</a>. As the body ages, it stops working as efficiently. It experiences an involuntary loss of muscle mass – referred to as <a href="https://www.sciencedirect.com/science/article/abs/pii/S0070215305680052">sarcopenia</a> – and fat levels begin to increase. Because muscle mass helps determine the body’s metabolic rate (how much energy the body burns at rest), when we lose muscle, the body starts to burn fewer calories at rest. Ageing also means dealing with other health issues that can make weight management more complex. For example, <a href="https://www.ncbi.nlm.nih.gov/books/NBK537590/">medications</a> can impact how the body functions, and <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3529154/">arthritis</a> and general aches and pains can impact mobility and the ability to exercise. In short – the body’s ageing process and changing physicality is the real reason women experience menopause weight gain. <h2>It’s not just weight gain</h2> While menopause doesn’t make you put on weight, it can increase a woman’s risk of other serious health conditions. The redistributed weight that leads to more fat being carried in the belly can have long-term effects. Belly fat that lies deep within the abdominal cavity (visceral fat) is an especially unhealthy fat because it’s stored close to the organs. People with a high amount of visceral fat have a <a href="https://onlinelibrary.wiley.com/doi/full/10.1111/j.1464-5491.2011.03503.x">higher risk</a> of stroke, type 2 diabetes and heart disease than people who hold body fat around their hips. The reduction in the amount of oestrogen produced by the ovaries during menopause also increases a woman’s risk of heart disease and stroke. This is because oestrogen helps keep <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2637768/">blood vessels dilated</a> – relaxed and open – to help keep cholesterol down. Without it, bad cholesterol can start to build up in the arteries. Lower oestrogen can also result in a loss of bone mass, putting women at <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1297264/">greater risk of osteoporosis</a> and more prone to bone fractures and breaks. <h2>The bottom line: can we prevent weight gain during menopause?</h2> Menopause itself does not cause weight gain; it unfortunately just occurs during a stage of life when other factors are likely to. The good news is weight gain associated with ageing is not inevitable, and there are many things women can do to avoid weight gain and health risks as they age and experience menopause. Start with these six steps: <ol> <li> incorporate daily exercise into your routine, with a mixture of intensities and variety of exercises, <a href="https://www.health.gov.au/topics/physical-activity-and-exercise/physical-activity-and-exercise-guidelines-for-all-australians">including body-strengthening exercises</a> twice a week </li> <li> stop dieting. Dieting drives up the weight your body will strive to return to (your “<a href="https://theconversation.com/whats-the-weight-set-point-and-why-does-it-make-it-so-hard-to-keep-weight-off-195724">set point</a>”), so you’ll end up heavier than before you began. You’ll also slow down your metabolism with each diet you follow </li> <li> curb your sugar cravings naturally. Every time you feel an urge to eat something sugary or fatty, reach for nature first – fruits, honey, nuts, seeds and avocado are a few suitable examples. These foods release the same feelgood chemicals in the brain as processed and fast food do, and leave us feeling full </li> <li> create positive habits to minimise comfort-eating. Instead of unwinding in the afternoon or evening on the couch, go for a walk, work on a hobby or try something new </li> <li> eat slowly and away from distractions to reduce the quantity of food consumed mindlessly. Use an oyster fork, a child’s fork or chopsticks to slow down your eating </li> <li> switch off your technology for a minimum of one hour before bed to improve sleep quality. </li> </ol> This article originally appeared on <a href="https://theconversation.com/is-menopause-making-me-put-on-weight-no-but-its-complicated-198308" target="_blank" rel="noopener">The Conversation</a>. Images: Getty

Body

Southampton to Shanghai by train – one climate change researcher’s quest to avoid flying

Academics travel a lot. Whether for fieldwork or conferences, we’re often <a href="https://theconversation.com/university-sector-must-tackle-air-travel-emissions-118929">encouraged</a> to do it. Often internationally, invariably by aeroplane. But while globetrotting might make us feel important, a recent <a href="https://www.sciencedirect.com/science/article/pii/S0959652619311862">study</a> suggests there’s no connection between academic air-miles and career advancement. With the obvious realities of the climate crisis, and with air travel being the <a href="https://theconversation.com/its-time-to-wake-up-to-the-devastating-impact-flying-has-on-the-environment-70953">single quickest</a> way an average person can contribute to climate change, some academics are trying to stay on the ground whenever possible. Within a broader <a href="https://www.flightfree.co.uk/">campaign</a> to encourage people to go “flight-free”, there’s a community of <a href="https://academicflyingblog.wordpress.com/">academics</a> challenging the reliance on flying that’s typically sat uneasily at the heart of their careers. I’m a member of that community. I pledged not to fly in 2019 and 2020, and then won a fellowship to study Chinese attitudes to sustainability which required me to go to China for fieldwork. Suddenly, the consequences of my pledge became very real. <figure class="align-center "><img src="https://images.theconversation.com/files/285327/original/file-20190723-110154-1grcjbv.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/285327/original/file-20190723-110154-1grcjbv.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=388&fit=crop&dpr=1 600w, https://images.theconversation.com/files/285327/original/file-20190723-110154-1grcjbv.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=388&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/285327/original/file-20190723-110154-1grcjbv.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=388&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/285327/original/file-20190723-110154-1grcjbv.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=488&fit=crop&dpr=1 754w, https://images.theconversation.com/files/285327/original/file-20190723-110154-1grcjbv.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=488&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/285327/original/file-20190723-110154-1grcjbv.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=488&fit=crop&dpr=3 2262w" alt="" /><figcaption>Not only do planes release a lot of CO₂ during flight, the white ‘contrails’ they leave behind warm the atmosphere further. <a class="source" href="https://www.shutterstock.com/image-photo/passenger-airplanes-on-air-busy-traffic-1089042554?src=lgi_phsJCpzeLwXItWfMbw-1-17&studio=1">FotoHelin/Shutterstock</a></figcaption></figure> Life on the rails When I told my managers that I intended to get to China by train, I was met with a mixture of responses. Some thought I was mad, some admired my principles, some thought I was an awkward bugger. Maybe they were all right. In any case, what I was doing had certainly created more work for myself. I began trying to convince senior staff to release funds from my research budget to arrange visas, and thinking through the nitty-gritty of a trip across Europe, Russia and a big chunk of China itself. The cost of the trains was over £2,000, dwarfing the £700 I could pay for a London to Beijing return flight. Time-wise, the train trip took just under two weeks each way. But in terms of carbon emissions my trip was a steal, contributing <a href="https://www.gov.uk/government/publications/greenhouse-gas-reporting-conversion-factors-2019">just 10%</a> of the emissions of the equivalent flights. The cost, complexity and discomfort of such a long solo trip did occasionally make me wonder if it wouldn’t just be easier to fly (answer: it would). But I was determined to honour my pledge and show other academics – by my own extreme example – that it is possible to do international work without flights. <figure class="align-center "><img src="https://images.theconversation.com/files/285316/original/file-20190723-110175-szuvp8.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/285316/original/file-20190723-110175-szuvp8.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=450&fit=crop&dpr=1 600w, https://images.theconversation.com/files/285316/original/file-20190723-110175-szuvp8.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=450&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/285316/original/file-20190723-110175-szuvp8.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=450&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/285316/original/file-20190723-110175-szuvp8.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=566&fit=crop&dpr=1 754w, https://images.theconversation.com/files/285316/original/file-20190723-110175-szuvp8.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=566&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/285316/original/file-20190723-110175-szuvp8.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=566&fit=crop&dpr=3 2262w" alt="" /><figcaption>The author meets a train guard in Siberia. Roger Tyers, Author provided</figcaption></figure> Considering it involved 21 train connections, my journey went surprisingly smoothly. I took a series of “short” trips from Southampton, changing in London, Brussels, Cologne, Berlin and then onto my first sleeper train from Warsaw to Kiev (avoiding Belarus which would have required another visa). My first experience on the Kiev-bound, Soviet-style sleeper train was something of a shock. Unsure of the etiquette when sharing a tiny cabin with two or three others with limited English, I soon learned that body language, Google translate and sharing food breaks the ice. Luckily, my no-flying trip was a recurring source of conversation, fascination and bafflement for many of my fellow travellers. After one night in Kiev, I took another overnight train to Moscow. Russia was something of a test – on my return journey I travelled 2,600 miles between Irkutsk and Moscow, spending 90 hours on a single train. Had this not been a work trip, I would have gladly stopped more often. Making friends with fellow passengers – mainly Russians on work trips or family visits, or European and Chinese tourists doing the bucket list Trans-Siberian route – certainly helped pass the time. The Siberian scenery – millions of trees on a seemingly endless loop – became somewhat repetitive, but the monotony afforded me time to read, write, plan and contemplate. The most spectacular journey was the Trans-Mongolian section, passing the edge of Lake Baikal, the world’s largest lake rimmed with snow-capped mountains, over the green steppes of northern Mongolia, across the Gobi desert, and finally through the mountainous valleys encircling Beijing. It’s hard not to be awed and inspired that these train lines exist in such remote parts of our planet. <figure class="align-center zoomable"><a href="https://images.theconversation.com/files/285302/original/file-20190723-110154-qqgn2n.jpg?ixlib=rb-1.1.0&rect=0%2C0%2C1003%2C1003&q=45&auto=format&w=1000&fit=clip"><img src="https://images.theconversation.com/files/285302/original/file-20190723-110154-qqgn2n.jpg?ixlib=rb-1.1.0&rect=0%2C0%2C1003%2C1003&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/285302/original/file-20190723-110154-qqgn2n.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=600&fit=crop&dpr=1 600w, https://images.theconversation.com/files/285302/original/file-20190723-110154-qqgn2n.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=600&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/285302/original/file-20190723-110154-qqgn2n.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=600&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/285302/original/file-20190723-110154-qqgn2n.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=754&fit=crop&dpr=1 754w, https://images.theconversation.com/files/285302/original/file-20190723-110154-qqgn2n.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=754&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/285302/original/file-20190723-110154-qqgn2n.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=754&fit=crop&dpr=3 2262w" alt="" /></a><figcaption>The track stretches for miles across the Mongolian plains. Roger Tyers, Author provided</figcaption></figure> Calling at Beijing China now has more high-speed railways than the rest of the world combined, and they do it in style. Beijing to Shanghai, a trip covering 1,300km, takes less than four and a half hours, with a solid internet connection throughout and the most legroom I enjoyed on any of my trips. The downer is that China’s electrified trains will, <a href="https://theconversation.com/china-wrestles-with-insecure-gas-supplies-but-stays-strong-on-longer-term-plan-for-renewables-117445">like most of their electricity</a>, be powered by coal. But on the upside, these trains are likely to take passengers off domestic flights – a lesson for Europe and the US. I enjoyed using them to visit my other field sites in Hangzhou and Ningbo before finally retracing my steps back, over 6,000 miles to the UK, clutching a load of new data, a heap of memories, and a sore back. The focus group data I collected in China, with members of their urban middle classes, has enforced my view that both ‘bottom-up’ social and cultural pressure, as well as “top-down” infrastructure and fiscal policy will be required in any country facing up the complex challenges of climate change. <figure class="align-center "><img src="https://images.theconversation.com/files/285360/original/file-20190723-110162-1jhj505.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/285360/original/file-20190723-110162-1jhj505.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=600&fit=crop&dpr=1 600w, https://images.theconversation.com/files/285360/original/file-20190723-110162-1jhj505.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=600&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/285360/original/file-20190723-110162-1jhj505.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=600&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/285360/original/file-20190723-110162-1jhj505.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=754&fit=crop&dpr=1 754w, https://images.theconversation.com/files/285360/original/file-20190723-110162-1jhj505.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=754&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/285360/original/file-20190723-110162-1jhj505.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=754&fit=crop&dpr=3 2262w" alt="" /><figcaption>The author at the end of his outward journey in Tiananmen Square. Roger Tyers, Author provided</figcaption></figure> I admit that my story is somewhat privileged – not everyone can take the train to China for work, and I doubt I’ll make a habit of it. Much depends on geography too. The UK is relatively well connected by surface transport options like rail, but many still fly - the UK has the <a href="https://www.iata.org/pressroom/pr/Pages/2018-10-24-02.aspx">third largest</a> air passenger market, behind only the US and China. The bigger policy goal is to make train tickets less expensive relative to flights. In the meantime, academics can play a leadership role, both individually and <a href="https://theconversation.com/researchers-set-an-example-fly-less-111046">institutionally</a>. Universities could consider publishing records of staff flights, building low-carbon travel modes into grant proposals by default, and making videoconferencing facilities fantastic. Recent <a href="https://www.sciencedirect.com/science/article/pii/S0959652619311862">research</a> has shown, unsurprisingly, that climate researchers are taken more seriously if they practise what they preach. If we can lead by example in reducing our own flying carbon footprints while still conducting great research, then others – students, policymakers and other professionals – are far more likely to take notice. Writen by Roger Tyers. Republished with permission from <a href="https://theconversation.com/southampton-to-shanghai-by-train-one-climate-change-researchers-quest-to-avoid-flying-120015" target="_blank" rel="noopener">The Conversation</a>. Image: Getty Images

International Travel

7 research-based resolutions that will help strengthen your relationship in the year ahead

The new year is going to be better. It has to be better. Maybe you’re one of the <a href="https://www.finder.com/new-years-resolution-statistics" target="_blank" rel="noopener">74% of Americans</a> in one survey who said they planned on hitting the reset button on Jan. 1 and resolving to improve. Those <a href="http://maristpoll.marist.edu/marist-poll-national-results-analysis-4/" target="_blank" rel="noopener">New Year’s resolutions most commonly focus on</a> eating healthier, exercising, losing weight and being a better person. Admirable goals, to be sure. But focusing on body and mind neglects something equally important: your romantic relationship. Couples with <a href="https://doi.org/10.1111/j.1741-3737.2007.00393.x" target="_blank" rel="noopener">better marriages report higher well-being</a>, and one study found that having a better romantic relationship not only promoted well-being and better health now but that <a href="https://doi.org/10.1080/08952841.2020.1838238" target="_blank" rel="noopener">those benefits extend into the future</a>. The lesson is clear: Your relationship is important. Resolve to get it right. That doesn’t mean you have to be perfect. But here are seven resolutions based on recent psychological research that you can make this New Year to help keep your relationship going strong. <h2>1. Set yourself up for success</h2> Adjust your mindset so you see your relationship as a key <a href="https://doi.org/10.1111/j.1467-6494.2005.00373.x" target="_blank" rel="noopener">source of positive experiences</a>. <a href="https://scholar.google.com/citations?user=v2ai_5wAAAAJ&hl=en&oi=ao" target="_blank" rel="noopener">Psychologists like me</a> call this boosting your social approach motivation. Instead of merely trying to avoid relationship problems, those with an approach motivation seek out the positives and <a href="http://peplab.web.unc.edu/files/2020/11/Don-Fredrickson-Algoe-JPSP-In-press-Approach-Paper-In-Press-.pdf" target="_blank" rel="noopener">use them to help the relationship</a>. Here’s how: Imagine a conversation with your partner. Having more of an approach motivation allows you to focus on positive feelings as you talk and to see your partner as more responsive to you. Your partner gets a burst of positivity, too, and in return sees you as more responsive. One partner’s good vibes spill over to the other partner, ultimately benefiting both. After a year when your relationship may have felt unprecedented external strains, laying the foundation to take advantage of any positives is good place to start. <h2>2. Be optimistic</h2> While things in the past may not have always gone how you wanted, it’s important to be optimistic about the future. But the right kind of optimism matters. A <a href="https://doi.org/10.1111/pere.12342" target="_blank" rel="noopener">2020 research study</a> from <a href="https://cns.utexas.edu/directory/item/84-human-dev-family-sci/3008-farnish-krystan?Itemid=349" target="_blank" rel="noopener">Krystan Farnish</a> and <a href="https://cns.utexas.edu/directory/item/14-human-ecology/259-neff-lisa-a?Itemid=349" target="_blank" rel="noopener">Lisa Neff</a> found that generally looking on the bright side of life allowed participants to deal with relationship conflict more effectively – as they put it, better able to “shake it off” – than did those who were optimistic specifically about their relationship. It seems that if people focus all their rosy expectations just on their relationship, it encourages them to anticipate few negative experiences with their partner. Since that’s unrealistic even in the best relationships, it sets them up for disappointment. <h2>3. Increase your psychological flexibility</h2> <a href="https://doi.org/10.1016/j.brat.2005.06.006" target="_blank" rel="noopener">Try to go with the flow</a>. In other words, work on accepting your feelings without being defensive. It’s OK to adjust your behaviors – you don’t always have to do things the way you always have or go the places you’ve always gone. Stop being stubborn and experiment with being flexible. A 2020 study by <a href="https://www.researchgate.net/profile/Karen_Twiselton" target="_blank" rel="noopener">Karen Twiselton</a> and colleagues found that <a href="https://doi.org/10.1111/pere.12344" target="_blank" rel="noopener">when you’re more flexible psychologically</a>, relationship quality is higher, in part because you experience more positive and fewer negative emotions. For example, navigating the yearly challenge of holidays and family traditions is a relationship minefield. However, if both partners back away from a “must do” mentality in favor of a more adaptable approach, relationship harmony will be greater. <h2>4. It’s OK to put ‘me’ before ‘we’</h2> It’s easy for some people to play the self-sacrificing martyr in their romantic relationship. If this sounds like you, try to focus more on yourself. It doesn’t make you a bad person or a bad partner. When you’re psychologically healthy, your partner and your relationship also benefit. Researchers have identified <a href="https://doi.org/10.1037/pspp0000231" target="_blank" rel="noopener">four main traits that are part of good mental health</a>: openness to feelings, warmth, positive emotions and straightforwardness. These traits help with being more clear about who you are, feeling better about who you are, expressing greater optimism and less aggression, exploiting others less and exhibiting less antisocial behavior. You can see how what’s good for you in this case would be good for your partner too. <h2>5. Do something for your partner</h2> But it’s not all about you. Putting your partner first some of the time and catering to your partner’s desires is part of being a couple. A 2020 study by <a href="https://carleton.ca/psychology/people/johanna-peetz/" target="_blank" rel="noopener">Johanna Peetz</a> and colleagues found that <a href="https://doi.org/10.1111/pere.12357" target="_blank" rel="noopener">prioritizing your partner</a> makes you feel closer to them, increases positive feelings, reduces negative ones and boosts perceived relationship quality. In the new year, look for ways to give your partner some wins. Let them get their way from time to time and support them in what they want to do, without exclusively prioritizing your own wants and needs. <h2>6. Don’t be so hard on yourself</h2> So many New Year’s resolutions focus on body image. Aspirations to eat better and work out often stem from the same goal: a hotter body. Yet, research from <a href="https://www.researchgate.net/profile/Xue_Lei8" target="_blank" rel="noopener">Xue Lei</a> shows that you may not really know what your partner wants you to look like. <a href="https://doi.org/10.1111/bjop.12451" target="_blank" rel="noopener">Women tend to overestimate how thin</a> male partners want them to be. Similarly, men believe that female partners want them to be more muscular than women say they do. It may seem harmless, but in both cases individuals are more critical and demanding toward themselves, in part based on misreading what a partner truly desires. <h2>7. Stay in touch</h2> I saved the easiest item on the list for last: Touch your partner more. When <a href="https://www.researchgate.net/profile/Cheryl_Carmichael" target="_blank" rel="noopener">Cheryl Carmichael</a> and colleagues followed 115 participants over a 10-day period, <a href="https://doi.org/10.1177/1948550620929164" target="_blank" rel="noopener">they found that initiating and receiving touch</a> – things like holding hands, cuddling, kissing – were associated with both a boost in closeness and relationship quality. Importantly, being touched by your partner has the added benefit of making you feel more understood and validated. Who couldn’t use more of that in the coming year? This article originally appeared on <a href="https://theconversation.com/7-research-based-resolutions-that-will-help-strengthen-your-relationship-in-the-year-ahead-152349" target="_blank" rel="noopener">The Conversation</a>. Image: Shutterstock

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Urine sample test: new way to detect and screen for early stages of Alzheimer’s disease

When it comes to <a href="https://cosmosmagazine.com/science/alzheimers-peer-review/" target="_blank" rel="noreferrer noopener">Alzheimer’s disease</a>, an early diagnosis – one made well before signs of irreversible dementia are apparent – is key to providing effective intervention and treatment. Now early detection might be as simple as a urine test, allowing for wide-scale and early screening across large populations of the elderly. A collaboration of researchers in China investigated urine samples for biomarkers from a large group of patients with varying severity of Alzheimer’s disease, comparing them with healthy controls. A compound known as <a href="https://www.acs.org/content/acs/en/molecule-of-the-week/archive/f/formic-acid.html?cid=home_motw" target="_blank" rel="noreferrer noopener">formic acid</a> (which is also produced by some ant and bee species) was a particularly sensitive marker for cognitive decline associated with Alzheimer’s disease. Significant increases in urinary formic acid levels were found in all samples from Alzheimer’s sufferers (including those with only early-stage subjective cognitive decline) as compared with those from the healthy controls. “Alzheimer’s disease is a continuous and concealed chronic disease, meaning that it can develop and last for many years before obvious cognitive impairment emerges,” say the authors. “The early stages of the disease occur before the irreversible dementia stage, and this is the golden window for intervention and treatment.” When blood samples of the participants were analysed for Alzheimer’s biomarkers in combination with the urinary formic acid level, the researchers were able to predict to what stage of the disease the patient had progressed. Their report is in <a href="https://www.frontiersin.org/articles/10.3389/fnagi.2022.1046066/full" target="_blank" rel="noreferrer noopener">Frontiers in Ageing</a>. Other methods currently used to diagnose Alzheimer’s disease, such as positron emission tomography brain scans, <a href="https://cosmosmagazine.com/health/medicine/alzheimers-blood-test-developed/" target="_blank" rel="noreferrer noopener">invasive blood draws</a> and lumbar punctures, tend to be costly and invasive. Although other urinary biomarkers for Alzheimer’s disease have been found, none have been able to detect the disease at its earliest stages. The links between urinary formic acid and Alzheimer’s disease are still not fully understood, but this research is an important step towards developing tools to diagnose and treat this debilitating condition amongst a vulnerable group in society. “Urinary formic acid showed an excellent sensitivity for early Alzheimer’s screening,” said the authors. “The detection of urine biomarkers of Alzheimer’s is convenient and cost-effective, and it should be performed during routine physical examinations of the elderly.” <img id="cosmos-post-tracker" style="opacity: 0; height: 1px!important; width: 1px!important; border: 0!important; position: absolute!important; z-index: -1!important;" src="https://syndication.cosmosmagazine.com/?id=227116&title=Urine+sample+test%3A+new+way+to+detect+and+screen+for+early+stages+of+Alzheimer%E2%80%99s+disease" width="1" height="1" data-spai-target="src" data-spai-orig="" data-spai-exclude="nocdn" /> <div id="contributors"> <a href="https://cosmosmagazine.com/health/urine-new-way-detect-alzheimers-disease/" target="_blank" rel="noopener">This article</a> was originally published on Cosmos Magazine and was written by Clare Kenyon. Image: Getty Images </div>

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Urine sample test: new way to detect and screen for early stages of Alzheimer’s disease

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Urine sample test: new way to detect and screen for early stages of Alzheimer’s disease

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