
A New, Smarter Wearable That Fights Joint Pain
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…and other items from this week’s health news:
The Wearable “Goldilocks” Heater
If you’ve ever used a heating pad to combat joint pain, chances are you ran into two problems:
- Getting it to be and remain where it needs to be
- Getting it to a therapeutic temperature without the heat then building up to the point that it needs to be switched off after a short while
Scientists (and engineers) have now tackled this:
❝Our goal was to make thermal therapy truly wearable—not just portable, but adaptive and intuitive. By integrating precise sensors and closed-loop control into a stretchable format, we’re giving patients the ability to receive therapy in real time, tailored to their specific environment and condition.
This technology reflects the future of personalized medicine, where treatment moves with the body and responds as needed. It’s not just engineering—it’s empathy through innovation.❞
This flexibility and adaptiveness was found to be durable throughout testing (including more than 1,000 use cycles), and even remained accurate during exercise:
Read in full: Flexible smart heater delivers real-time thermal therapy for joint pain
Related: 10 Tips To Reduce Morning Pain & Stiffness With Arthritis
How Likely is not recovering from covid now?
After the initial lockdowns in what is now the increasingly dim and distant past, numbers were crunched, and it was decided that it was best to lift anti-COVID measures, and that hopefully the deaths would be mostly confined to minorities such as the very young, the old, the chronically ill, the disabled, and so forth.
Which may have a bit of a Lord Farquaad “Some of you may die, but it’s a sacrifice I am willing to make” feel to it (if you know the meme), but it’s certainly become “the new normal”. Of course, the reports on incidence rates (and thus, mortality rates) have gone down a lot since testing was discontinued, so it’s difficult to know certain parts of the statistical background to COVID in the US in 2025.
What we can know, however, is that of those that are recorded, and who survive initial infection (which, one bit of good news, does at least seem to be most people nowadays), there is approximately a 20% chance of not recovering fully within a year. That doesn’t mean “it’ll take a year to recover”, by the way, that means “it was 12-month study” so what happens to those people in the future after those 12 months is not yet known.
However, it seems fair to say that even at the very best if it’s been a year and you haven’t recovered, it’s not exactly “just a cold”.
Read in full: One in five never fully recover quality of life after COVID-like illness
Related: Why Some People Get Sick More (And How To Not Be One Of Them)
It’s time for diabetes prevention
Intermittent fasting is a common tool used with the intention of improving metabolic health, and there has been much discussion about how much it matters what time of day (in the context of the rest of our circadian rhythm) we eat.
To this end, researchers investigated how the timing of lifestyle habits (eating, sleeping, moving) affects metabolic health and risk for type 2 diabetes, using wearable tech and real-time tracking. They found:
About meal timing:
- Eating more between 14:00–17:00 was linked to lower fasting glucose.
- Eating more between 17:00–21:00 was linked to higher glucose, more time in hyperglycemia, and worse next-day glucose levels.
About the meals:
- Carbs from non-starchy vegetables were linked to better glucose control.
- Carbs from starchy vegetables were linked to higher fasting glucose and HbA1c.
About sleep:
- Greater variability in sleep efficiency led to higher night and next-day glucose.
- Irregular wake times were linked to worse glucose tolerance and lower incretin effects.
About links between diet and sleep:
- More legumes, fruit, potassium, and fiber = better and longer sleep.
- Early energy intake (especially 8:00–11:00) correlated with longer sleep duration.
About physical activity:
- More steps between 8:00–11:00 improved glucose control in insulin-resistant individuals.
- More steps between 14:00–17:00 improved glucose control in insulin-sensitive individuals.
- More steps after dinner but before midnight reduced nocturnal hyperglycemia.
- Nocturnal activity (00:00–5:00) worsened glucose regulation for all.
Also, longer sedentary periods at any time were linked to greater hyperglycemia.
Read in full: Meal and sleep timing play key roles in diabetes prevention
Related: The Circadian Rhythm: Far More Than Most People Know ← our expert insights feature on Dr. Satchin Panda, author of The Circadian Diabetes Code
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‘It’s okay to poo at work’: new health campaign highlights a common source of anxiety
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For most people, the daily or near-daily ritual of having a bowel motion is not something we give a great deal of thought to. But for some people, the need to do a “number two” in a public toilet or at work can be beset with significant stress and anxiety.
In recognition of the discomfort people may feel around passing a bowel motion at work, the Queensland Department of Health recently launched a social media campaign with the message “It’s okay to poo at work”.
The campaign has gained significant traction on Instagram and Facebook. It has been praised by health and marketing experts for its humorous handling of a taboo topic.
A colourful Instagram post is accompanied by a caption warning of the health risks of “holding it in”, including haemorrhoids and other gastrointestinal problems. The caption also notes:
If you find it extremely difficult to poo around other people, you might have parcopresis.
Queensland Health/Instagram What is parcopresis?
Parcopresis, sometimes called “shy bowel”, occurs when people experience a difficulty or inability to poo in public toilets due to fear of perceived scrutiny by others.
People with parcopresis may find it difficult to go to the toilet in public places such as shopping centres, restaurants, at work or at school, or even at home when friends or family are around.
They may fear being judged by others about unpleasant smells or sounds when they have a bowel motion, or how long they take to go, for example.
Living with a gastrointestinal condition (at least four in ten Australians do) may contribute to parcopresis due to anxiety about the need to use a toilet frequently, and perceived judgment from others when doing so. Other factors, such as past negative experiences or accessibility challenges, may also play a role.
Some people may feel uncomfortable about using the toilet at work. Motortion Films/Shutterstock For sufferers, anxiety can present in the form of a faster heart rate, rapid breathing, sweating, muscle tension, blushing, nausea, trembling, or a combination of these symptoms. They may experience ongoing worry about situations where they may need to use a public toilet.
Living with parcopresis can affect multiple domains of life and quality of life overall. For example, sufferers may have difficulties relating to employment, relationships and social life. They might avoid travelling or attending certain events because of their symptoms.
How common is parcopresis?
We don’t really know how common parcopresis is, partly due to the difficulty of evaluating this behaviour. It’s not necessarily easy or appropriate to follow people around to track whether they use or avoid public toilets (and their reasons if they do). Also, observing individual bathroom activities may alter the person’s behaviour.
I conducted a study to try to better understand how common parcopresis is. The study involved 714 university students. I asked participants to respond to a series of vignettes, or scenarios.
In each vignette participants were advised they were at a local shopping centre and they needed to have a bowel motion. In the vignettes, the bathrooms (which had been recently cleaned) had configurations of either two or three toilet stalls. Each vignette differed by the configuration of stalls available.
The rate of avoidance was just over 14% overall. But participants were more likely to avoid using the toilet when the other stalls were occupied.
Around 10% avoided going when all toilets were available. This rose to around 25% when only the middle of three toilets was available. Men were significantly less likely to avoid going than women across all vignettes.
For those who avoided the toilet, many either said they would go home to poo, use an available disabled toilet, or come back when the bathroom was empty.
Parcopresis at work
In occupational settings, the rates of anxiety about using shared bathrooms may well be higher for a few reasons.
For example, people may feel more self-conscious about their bodily functions being heard or noticed by colleagues, compared to strangers in a public toilet.
People may also experience guilt, shame and fear about being judged by colleagues or supervisors if they need to make extended or frequent visits to the bathroom. This may particularly apply to people with a gastrointestinal condition.
Reducing restroom anxiety
Using a public toilet can understandably cause some anxiety or be unpleasant. But for a small minority of people it can be a real problem, causing severe distress and affecting their ability to engage in activities of daily living.
If doing a poo in a toilet at work or another public setting causes you anxiety, be kind to yourself. A number of strategies might help:
- identify and challenge negative thoughts about using public toilets and remind yourself that using the bathroom is normal, and that most people are not paying attention to others in the toilets
- try to manage stress through relaxation techniques such as deep breathing and progressive muscle relaxation, which involves tensing and relaxing different muscles around the body
- engaging in gradual exposure can be helpful, which means visiting public toilets at different times and locations, so you can develop greater confidence in using them
- use grounding or distraction techniques while going to the toilet. These might include listening to music, watching something on your phone, or focusing on your breathing.
If you feel parcopresis is having a significant impact on your life, talk to your GP or a psychologist who can help identify appropriate approaches to treatment. This might include cognitive behavioural therapy.
Simon Robert Knowles, Associate Professor and Clinical Psychologist, Swinburne University of Technology
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Here’s Looking At Ya!
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This Main Feature Should Take You Two Minutes (and 18 Seconds) To Read*
*Or at least, that’s what we’re told by this software that checks things for readability!
There’s a problem nobody wants to talk about when it comes to speed-reading
If you’re not very conscientious in your method, information does get lost. Especially, anything over 500 words per minute is almost certainly skimming and not true speed-reading.
One of the reasons information gets lost is because of a weird and wonderful feature of our eyes and brain: saccades.
Basically, our eyes can either collect visual information or they can move; they can’t do both at once. And as you may know, our eyes are almost always moving. So why aren’t we blind most of the time?
We actually are.
Did you know: your eyes take two upside-down 2D images and your brain presents you one 3D image the right way around instead? You probably did know that. So: it’s a bit like that.
Your brain takes a series of snapshots from whenever your eyes weren’t moving, and mentally fills in the blanks for you, just like a studio animation. We have a “frame rate” of about 60 frames per second, by the way—that’s why many computer monitors use that frequency. Lower frequencies can result in a noticeable flicker, and higher frequencies are wasted on us mere mortals!
Our eyes do some super-speedy movements called saccades (up to 500º per second! Happily no, our eyes don’t rotate 500º, but that’s the “per second” rate) and our brain fills in the gaps with its best guesses. The more you push it, the more it’ll guess wrong.
We’re not making this up, by the way! See for yourself:
Eye Movements In Reading And Information Processing: 20 Years Of Research
Fortunately, it is possible to use your eyes in a way that reduces the brain’s need to guess. That also means it has more processing power left over to guess correctly when it does need to.
Yes, There’s An App For That
Actually there are a few! But we’re going to recommend Spreeder as a top-tier option, with very rapid improvement right from day one.
It works by presenting the text with a single unmoving focal point. This is the opposite of traditional speed-reading methods that involve a rapidly moving pacer (such as your finger on the page, or a dot on the screen).
This unmoving focal point (while the words move instead) greatly reduces the number of saccades needed, and so a lot less information is lost to optical illusions and guesswork.
Try Spreeder (any platform) Here Now!
If you find that easy to use and would like something with a few more features, you might like another app that works on the same principle: Spritz.
It can take a bit more getting-used-to, but allows for greater integrations with all your favourite content in the long-run:
Check Out Spritz: Android App / iOS App / Free Chrome Extension
Lastly, if you don’t want any of those fancy apps and would just like to read more quickly and easily with less eye-strain, Beeline has you covered.
For free, unless you want to unlock some premium features!
How Beeline works is by adding a color gradient to text on websites and in documents. This makes it a lot easier for the eye to track without going off-piste, skipping a line, or re-reading the same bit again, etc.
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Focusing on how and why you eat, not just what, may be the key to healthy eating
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When most people think about “healthy eating”, they usually focus on what they eat. That might mean trying to eat more fruit and vegetables or less fast food, or counting calories.
But there’s a lot more to healthy eating than just dietary intake. Behaviours and attitudes around food are also important.
Take, for example, orthorexia nervosa, which is an obsessive preoccupation with consuming only “healthy” foods. If healthy eating only means ingesting healthy foods, then people with orthorexia are super healthy.
But people who live with this eating disorder often struggle with relationships and report poor quality of life, among other issues.
Research suggests that shifting the focus from food itself to our experience of eating can have a range of health benefits. Let’s take a look.
Hinterhaus Productions/Getty Why are we so obsessed with diet?
Equating “healthy eating” with “healthy diet” may have taken off in the early 1980s with panic over the “obesity epidemic” in Western countries – defined as a rapid rise in the prevalence of people in the population with a body mass index (BMI) of 30 or greater.
But causes of obesity are complex and poorly understood, with numerous possible explanations beyond simply what a person eats. And admonishing overweight people to eat “healthier” has done nothing to reduce population rates of obesity.
There is some evidence that this fixation on weight has resulted in increased rates of disordered eating and eating disorders – both of which involve problematic eating behaviours and distorted attitudes towards food, weight, shape and appearance.
Clearly, something needs to change in how we think about healthy eating.
Listening to your body
A growing body of research on intuitive eating has found this approach has an array of health benefits.
Intuitive eating means trusting internal body cues that tell us when, what and how much to eat. For example, tuning into your stomach growling telling you it’s time to eat, or noticing feeling full or satisfied, or that you may crave certain foods because your body wants specific nutrients (such as protein after exercising).
Studies have shown this approach can lead to better physical and mental health as well as better diet quality, and is associated with lower BMIs.
Research also shows eating at regular intervals and eating with other people also lead to better overall health and diet.
But if you find it hard, you’re not alone
Most of us are surrounded by food environments that make healthy eating difficult.
Unhealthy food environments promote overeating and encourage us to override our innate signals of hunger and fullness.
When we’re surrounded by cheap and accessible sugary snacks, fast foods and large portions – and lots of marketing – it can be hard to develop a positive relationship with food.
The issue is particularly acute for people in more disadvantaged communities.
For example, in our research with rural Australians about food and eating, most told us they wanted to eat more healthily, but found it difficult for many reasons, These included busy schedules and the cost of healthier food.
Habits and emotional eating can also make healthy eating difficult.
So, what works?
For most people, healthy behaviours and attitudes to eating mean a balanced, flexible and non-judgmental approach, without fear of “bad” foods. It means paying attention to hunger and fullness cues.
But it also means recognising that food is a source of social and cultural connection. A healthy attitude to food doesn’t ignore nutritional information – it incorporates this knowledge into a broader and more joyous approach to eating.
Here are three suggestions to get you started.
1. Recognising signs of hunger and fullness
These may differ from person to person. Can you hear your stomach start to growl or your energy begin to dip? Is it a while since you ate? And while eating, is there a point where the hunger has gone away and you no longer feel a strong desire to continue eating? Some people find using hunger and fullness scales useful.
2. Reframing “bad” foods
Is there a food you really like but don’t eat because you consider it “bad” or “forbidden”? Try incorporating a small amount into your next meal or snack. You may find that doing so brings greater joy to your eating while simultaneously taking away its power.
3. Eating with people
If you normally eat by yourself or “grab and go”, see if there’s a way to plan more time for meals and include other people – whether this is more family meals or group lunches with coworkers.
But some people have to follow a specific diet
People with medical conditions that require a particular type of diet – such as those with diabetes or coeliac disease – need to follow that advice. But they may still be able to have healthy behaviours and attitudes towards food even within these constraints.
For example, one 2020 study of people with type 2 diabetes found that more intuitive eaters had better control of their blood sugar levels.
The bottom line
So – if you don’t have a medical condition that prevents it – go ahead and have some of that birthday cake. And then listen to your body when it tells you you’ve had enough.
If you feel that you have an unhealthy relationship with food that is interfering with your life, please contact your GP to discuss your options. You may also want to contact the Butterfly Foundation for support.
Nina Van Dyke, Associate Professor and Associate Director, Mitchell Institute, Victoria University and Rosemary V. Calder, Professor, Health Policy, Victoria University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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How Much THC Is Safe?
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It’s Q&A Day at 10almonds!
Have a question or a request? We love to hear from you!
In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!
No question/request too big or small 😎
❝What dose of THC is safe, is there a safe limit or is it more about using it too frequently?❞
Fantastic questions, and science is starting to catch up on these things! We say “catch up”, as research in the US in particular was held up for a long time due to the “war on drugs”, which didn’t really reduce drug usage, but it sure did cramp science.
Now, bad news first:
❝Although the only way of ensuring no harm from cannabis is to not use at all, people who use cannabis could benefit from accurate information regarding their risk❞
For more on that, see: Lower-Risk Cannabis Use Guidelines (LRCUG) for reducing health harms from non-medical cannabis use: A comprehensive evidence and recommendations update
This is a little similar the World Health Organization’s declaration that the only safe amount of alcohol is zero: WHO: No level of alcohol consumption is safe for our health, and for more on the relative risks of alcohol vs THC, see our previous article on that topic:
More recently, researchers (Dr. Rachel Thorn et al.) have proposed cannabis “units” based on THC content, similar to alcohol units, to help people monitor use and reduce harm.
- How the unit works: one standard THC unit equals 5 mg of THC, shifting focus from how often cannabis is used to how much psychoactive substance is actually consumed.
- Safer-use threshold for adults: the study suggests adults shouldn’t exceed 8 THC units per week.
- Please note that this does not say “safe”, it says “safer”, i.e. it is relatively less unsafe than…
- Higher-risk levels: risk of more severe cannabis use disorder, which rises above about 13 THC units per week in adults.
This numbers are based on a longitudinal study that followed 150 cannabis users over 12 months, and in the study sample…
- 80% of adults using below 8 THC units did not meet criteria for cannabis use disorder
- 70% of adults using above this level did meet the criteria for cannabis use disorder
That’s not an arbitrary distinction; cannabis use disorder is characterized by impaired control, cravings, and interference with work, family, or social functioning, and affects an estimated 22% of regular users.
You can read more about that, here: What is cannabis use disorder? And how do you know if you have a problem?
And, for that matter: Cannabis & Mental Health: Good Or Bad?
As for the study itself, here it is for you: Estimating thresholds for risk of cannabis use disorder using standard delta-9-tetrahydrocannabinol (THC) units
So, what does this mean for medical usage?
There can be tradeoffs.
For example, another team of researchers (Dr. Danielle Haley et al.) found that states legalizing cannabis for both medical and adult recreational use saw a 9-to-11-percentage-point decline in daily opioid use.
This is important, because as she points out, increased access to regulated cannabis allows for substitution away from an unstable and toxic opioid supply, lowering overdose risk in a population where opioids account for more than 75% of fatal overdoses in the US.
Further,
❝The magnitude of decrease in opioid use that we observed among a population that is experienced with opioid use and likely to experience unpleasant withdrawal symptoms after reducing this use is very profound and important❞
Here’s a pop-science article about that, and you can also click through to the study itself:
Cannabis legalization may lead to a decline in daily opioid use
Want to learn more?
Check out:
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The Disordered Mind – by Dr. Eric Kandel
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We don’t generally include author bios in these reviews, but it’s worth mentioning that Dr. Kandel won the Nobel Prize in Physiology/Medicine, for studies related to the topics in this book.
The premise in this book is as per the subtitle: what unusual brains tell us about ourselves. He assumes that the reader has a “usual” brain, but if you don’t, then all is not lost, and in fact he probably talks about your brain in the book too.
Examining the brains of people with conditions ranging from autism to Alzheimer’s, schizophrenia to Parkinson’s, or even such common things as depression and anxiety and addiction, tells us a lot about what in our brain (anatomically and physiologically) is responsible for what, and how those things can be thrown out of balance.
By inference, that also tells us how to keep things from being thrown out of balance. Even if the genetic deck is stacked against you, there are still things that can be done to avoid actual disease. After all, famously, “genes load the gun, but lifestyle pulls the trigger”.
Dr. Kandel writes in a clear and lucid fashion, such that even the lay reader can quite comfortably learn about such things as prion-folding and inhibitory neurons and repressed transcription factors and more.
Bottom line: if you’d like to understand more about what goes wrong and how and why and what it means for your so-far-so-good healthy brain, this is the book for that.
Click here to check out The Disordered Mind, and understand more!
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Lumps Under The Skin—Cyst Or Lipoma?
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Dr. Andrea Suarez, dermatologist, shares her professional knowledge with us:
Cystn’t
First things first: lipomas and epidermoid (sebaceous*) cysts are benign, non-cancerous, and not dangerous, even though they can be annoying or uncomfortable.
*This is their most common name, but it’s misleading, as they are not sebaceous, but rather keratinous, i.e. they are not filled with sebum, but keratin.
With that in mind…
- What a lipoma is: a slow-growing, benign tumor of mature fat cells that sits below the skin, feels firm and rubbery, is usually painless, and shows no change on the skin surface. Further, they’re movable under the skin, don’t rupture or burst, can grow from about 1 to 10 cm, and don’t cause inflammation or scarring on their own.
- What an epidermoid cyst is: a cyst arising from a hair follicle or pore that contains keratin, feels fixed in the skin, and is usually same color as your skin, but with a visible punctum (small opening). It’s usually smaller than a lipoma (often 1–2 cm), may ooze foul-smelling, cheesy material when squeezed, and can resemble a large blackhead on the face.
While neither are dangerous per se, cysts to present more potential problems, especially their rupture risk—unlike lipomas, epidermoid cysts can rupture, especially if squeezed, leading to inflammation, scarring, and a higher risk of infection.
If you’re the sort of person who’s tempted to pop such things, then do be aware that popping a cyst doesn’t cure it, and in fact it encourages recurrence, makes surgical removal harder due to scar tissue, and can require antibiotics if infection develops. So please don’t do that.
So, what can be done?
Firstly, doing nothing is reasonable for both lipomas and epidermoid cysts iff they’re small and not bothersome. However, if they’re a bother, then lipomas require simple surgical excision and usually don’t come back, while epidermoid cysts also require a surgical intervention, and/but must have the entire cyst wall removed to prevent recurrence.
In few words: neither lump is life-threatening, but knowing the differences can reduce anxiety and help you decide whether observation or removal makes the most sense for you.
For more on all this plus some visual illustrations as appropriate, enjoy;
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like:
What Your Face Says About Your Health
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