The Intelligence Trap – by David Robson
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We’re including this one under the umbrella of “general wellness”, because it happens that a lot of very intelligent people make stunningly unfortunate choices sometimes, for reasons that may baffle others.
The author outlines for us the various reasons that this happens, and how. From the famous trope of “specialized intelligence in one area”, to the tendency of people who are better at acquiring knowledge and understanding to also be better at acquiring biases along the way, to the hubris of “I am intelligent and therefore right as a matter of principle” thinking, and many other reasons.
Perhaps the greatest value of the book is the focus on how we can avoid these traps, narrow our bias blind spots, and play to our strengths while paying full attention to our weaknesses.
The style is very readable, despite having a lot of complex ideas discussed along the way. This is entirely to be expected of this author, an award-winning science writer.
Bottom line: if you’d like to better understand the array of traps that disproportionately catch out the most intelligent people (and how to spot such), then this is a great book for you.
Click here to check out The Intelligence Trap, and be more wary!
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Jasmine McDonald’s Ballet Stretching Routine
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Why Jasmine’s Video is Useful
Jasmine McDonald is not only a professional ballerina, but is also a certified personal trainer, so when it comes to keeping her body strong and flexible, she’s a wealth of knowledge. Her video (below) is a great example of this.
In case you’re interested in learning more, she currently (privately) tutors over 30 people on a day-to-day basis. You can contact her here!
Other Stretches?
If you think that Jasmine’s stretches may be out of your league, we recommend checking out our other articles on stretching, including:
- 11 Minutes to Pain-Free Hips
- How to Permanently Loosen a Tight Psoas
- Stretching Scientifically
- Stretching & Mobility
- Stretching to Stay Young
Otherwise, let loose on these dancer stretches and exercises:
How did you find that video? If you’ve discovered any great videos yourself that you’d like to share with fellow 10almonds readers, then please do email them to us!
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Melatonin: A Safe, Natural Sleep Aid?
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Melatonin: A safe sleep supplement?
Melatonin is a hormone normally made in our pineal gland. It helps regulate our circadian rhythm, by making us sleepy.
It has other roles too—it has a part to play in regulating immune function, something that also waxes and wanes as a typical day goes by.
Additionally, since melatonin and cortisol are antagonistic to each other, a sudden increase in either will decrease the other. Our brain takes advantage of this, by giving us a cortisol spike in the morning to help us wake up.
As a supplement, it’s generally enjoyed with the intention of inducing healthy, natural, restorative sleep.
Does it really induce healthy, natural, restorative, sleep?
Yes! Well, “natural” is a little subject and relative, if you’re taking it as a supplement, but it’s something your body produces naturally anyway.
Contrast with, for example, benzodiazepines (that whole family of medications with names ending in -azopan or -alozam), or other tranquilizing drugs that do not so much induce healthy sleep, but rather reduce your brain function and hopefully knock you out, and/but often have unwanted side effects, and a tendency to create dependency.
Melatonin, unlike most of those drugs, does not create dependency, and furthermore, we don’t develop tolerance to it. In other words, the same dose will continue working (we won’t need more and more).
In terms of benefits, melatonin not only reduces the time to fall asleep and increases total sleep time, but also (quite a bonus) improves sleep quality, too:
Meta-Analysis: Melatonin for the Treatment of Primary Sleep Disorders
Because it is a natural hormone rather than a drug with many side effects and interactions, it’s also beneficial for those who need good sleep and/but don’t want tranquilizing:
Any other benefits?
Yes! It can also help guard against Seasonal Affective Disorder, also called seasonal depression. Because SAD is not just about “not enough light = not enough serotonin”, but also partly about circadian rhythm and (the body is not so sure what time of day it is when there are long hours of darkness, or even, in the other hemisphere / other time of year, long hours of daylight), melatonin can help, by giving your brain something to “anchor” onto, provided you take it at the same time each day. See:
- Is seasonal affective disorder a disorder of circadian rhythms?
- The circadian basis of winter depression: the case for low-dose melatonin use
As a small bonus, melatonin also promotes HGH production (important for maintaining bone and muscle mass, especially in later life):
Anything we should worry about?
Assuming taking a recommended dose only (0.5mg–10mg per day), toxicity is highly unlikely, especially given that it has a half-life of only 40–60 minutes, so it’ll be eliminated quite quickly.
However! It does indeed induce sleepiness, so for example, don’t take melatonin and then try to drive or operate heavy machinery—or, ideally, do anything other than go to bed.
It can interfere with some medications. We mentioned that melatonin helps regulate immune function, so for example that’s something to bear in mind if you’re on immunosuppressants or otherwise have an autoimmune disorder. It can also interfere with blood pressure medications and blood thinners, and may make epilepsy meds less effective.
As ever, if in doubt, please speak with your doctor and/or pharmacist.
Where to get it?
As ever, we don’t sell it (or anything else), but for your convenience, here is an example product on Amazon.
Enjoy!
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Is thirst a good predictor of dehydration?
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Water is essential for daily functioning and health, and we can only survive a few days without it. Yet we constantly lose water through sweat, urination and even evaporation when we breathe.
This is why we have evolved a way to regulate and maintain water in our bodies. Like other animals, our survival relies on a strong biological drive that tells us to find and drink water to balance fluid loss.
This is thirst – a sensation of dryness in the mouth signalling we need to have a drink. This basic physiological mechanism is controlled mainly by part of the brain’s “control centre”, called the hypothalamus. The hypothalamus receives signals from various regions of the body and in return, releases hormones that act as a messenger to signal the thirst sensation.
KieferPix/Shutterstock What is dehydration?
Staying hydrated (having enough water in our bodies) is important for several reasons, including:
- regulating body temperature through sweat and respiration
- lubricating joints and eyes
- preventing infections
- digesting and absorbing nutrients
- flushing out waste (via the kidneys)
- preventing constipation
- brain function (including memory and concentration)
- mood and energy levels
- physical performance and recovery from exercise
- skin health.
Dehydration occurs when our body doesn’t have enough water. Even slight drops in fluid levels have noticeable consequences, such as headaches, feeling dizzy, lethargy and struggling to concentrate.
Chronic dehydration can pose more serious health risks, including urinary tract infections, constipation and kidney stones.
What does the evidence say?
Despite thirst being one of the most basic biological drivers for good hydration, science suggests our feelings of thirst and subsequent fluid intake don’t always correlate with hydration levels.
For example, a recent study explored the impact of thirst on fluid intake and hydration status. Participants attended a lab in the morning and then later in the afternoon to provide markers of hydration status (such as urine, blood samples and body weight). The relationship between levels of thirst in the morning and afternoon hydration status was negligible.
Further, thirst may be driven by environmental factors, such as access to water. For example, one study looked at whether ample access to water in a lab influenced how much people drank and how hydrated they were. The link between how thirsty they felt and how hydrated they were was weak, suggesting the availability of water influenced their fluid intake more than thirst.
Exercise can also change our thirst mechanism, though studies are limited at this stage.
Being thirsty doesn’t necessarily mean we’re dehydrated. puhhha/Shutterstock Interestingly, research shows women experience thirst more strongly than men, regardless of hydration status. To understand gender differences in thirst, researchers infused men and women with fluids and then measured their thirst and how hydrated they were. They found women generally reported thirst at a lower level of fluid loss. Women have also been found to respond more to feeling thirsty by drinking more water.
Other ways to tell if you need to drink some water
While acknowledging some people will need to drink more or less, for many people, eight cups (or two litres) a day is a good amount of water to aim for.
But beyond thirst, there are many other ways to tell whether you might need to drink more water.
1. urine colour: pale yellow urine typically indicates good hydration, while darker, concentrated urine suggests dehydration
2. frequency of going to the toilet: urinating regularly (around four to six times a day) indicates good hydration. Infrequent urination can signal dehydration
3. skin turgor test: gently pinching the skin (for example, on the back of the hand) and observing how quickly the skin returns to its normal position can help assess hydration. Slow return may indicate dehydration
If skin stays elevated after pinching it may be a sign of dehydration. SusaZoom/Shutterstock 4. mouth and lips: a dry mouth or cracked lips can be early signs of dehydration
5. headaches and fatigue: frequent headaches, dizziness, or unexplained fatigue can be signs of inadequate hydration
6. sweating: in physically active people, monitoring how much they sweat during activity can help estimate fluid loss and hydration needs. Higher levels of sweat may predispose a person to dehydration if they are unable to replace the fluid lost through water intake
These indicators, used together, provide a more comprehensive picture of hydration without solely depending on the sensation of thirst.
Of course, if you do feel thirsty, it’s still a good idea to drink some water.
Lauren Ball, Professor of Community Health and Wellbeing, The University of Queensland and Kiara Too, PhD candidate, School of Human Movement and Nutrition Sciences, The University of Queensland
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Oats vs Pearl Barley – Which is Healthier?
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Our Verdict
When comparing oats to pearl barley, we picked the oats.
Why?
In terms of macronutrients first, pearl barley has about three times the carbs for only the same amount of protein and fiber—if it had been regular barley rather than pearl parley, it’d have about twice the fiber, but pearl barley has had the fibrous husk removed.
Vitamins really set the two part, though: oats have a lot more (60x more) vitamin A, and notably more of vitamins B1, B2, B3, B5, B6, and B9, as well as 6x more vitamin E. In contrast, pearl barley has a little more vitamin K and choline. An easy win for oats in this section.
In the category of minerals, oats have over 6x more calcium, 3x more iron, and a little more magnesium, manganese, and phosphorus. Meanwhile, pearl barley boats a little more copper, potassium, selenium, and zinc. So, a more moderate win for oats in this category.
They are both very good for the gut, unless you have a gluten intolerance/allergy, in which case, oats are the only answer here since pearl barley, as per barley in general, has gluten as its main protein (oats, meanwhile, do not contain gluten, unless by cross-contamination).
Adding up all the sections, this one’s a clear win for oats.
Want to learn more?
You might like to read:
- Eat More (Of This) For Lower Blood Pressure
- Making Friends With Your Gut (You Can Thank Us Later)
- Gluten: What’s The Truth?
Take care!
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Neuropsychologist Explains What She’s Got Out Of 6 Years Taking L-Theanine
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Inka Land, MSc neuropsychology, PgDip(c) Nutrition and Disease, talks about her use of l-theanine and the biochemistry behind it:
So, what’s the tea?
While she’s tested over 60 supplements, she regularly uses only a few. L-theanine made the cut, and has been a staple for over six years due to its noticeable effects on her brain, nervous system in general, and gut. Some notes from the video:
- L-theanine was discovered during university studies as a way to enhance focus and reduce stress. Initially, 50mg doses combined with coffee showed no effect, but increasing to 150mg, paired with 100mg of caffeine, produced significant nootropic benefits.
- L-theanine enhances sustained focus, enabling prolonged attention on repetitive tasks while avoiding distractions. It’s particularly effective for maintaining concentration during monotonous activities.
- L-theanine alleviates gut inflammation by boosting antioxidant activity and supporting glutamine metabolism. Combined with l-glutamine, it is more effective for reducing gut inflammation, and she mentions anecdotally that it seemed to help her personally recover quickly from food poisoning.
- Known for its calming effects, L-theanine reduces anxiety and regulates the nervous system. It is beneficial before stressful or crowded events and has anecdotal support for alleviating social anxiety specifically, though that’s not been formally tested in RCTs (yet). That said, since it has been tested against anxiety in the lab (usually combined with stress tests), it would be strange if it didn’t help alleviate social anxiety too, since what’s required for the nervous system is the same.
- Studies suggest 100–200mg twice daily, but she personally takes 250mg in the morning with coffee or 200–250mg PRN.
Want to try some? Here’s an example product on Amazon 😎
For more on all of this, enjoy (and kindly disregard that she clearly is holding a jar of curcumin in the thumbnail):
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like:
L-Theanine Against Stress, Anxiety, Inflammation, & More
Take care!
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In Praise of Slowness – by Carl Honoré
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This isn’t just about “taking the time to smell the roses” although yes, that too. Rather, it’s mostly about looking at what drives us to speed everything up in the first place, and correcting where appropriate.
If your ancestors had time to eat fruit and lie in the sun, then why, with all of modern technology now available, are you harangued 16+ hours a day by the pressures of universally synchronized timepieces?
Honoré places a lot of the blame squarely on the industrial revolution; whereas previously our work would be limited by craftsmen who take a year to complete something, or the pace of animals in a field, now humans had to keep up with the very machines that were supposed to serve us—and it’s only got worse from there.
This book takes a tour of many areas affected by this artificial “need for speed”, and how it harms not just our work-life balance, but also our eating habits, the medical attention we get, and even our love lives.
The prescription is deceptively simple, “slow down”. But Honoré dedicates the final three chapters of the book to the “how” of this, when of course there’s a lot the outside world will not accommodate—but where we can slow down, there’s good to be gained.
Bottom line: if you’ve ever felt that you could get all of your life into order if you could just pause the outside world for a week or two, this is the book for you.
Click here to check out In Praise of Slowness, and make time for what matters most!
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