
How the stress of playing chess can beĀ fatal
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The death of a chess player in the middle of a match at the worldās most prestigious competition may have shocked those who view the game as a relaxing pastime. Kurt Meier, 67, collapsed during his final match in the tournament and died in hospital later that day. But chess, like any other game or sport, can lead to an immense amount of stress, which can be bad for a competitorās physical health too.
We tend to associate playing sport or games with good health and well-being. And there are a countless number of studies showing playing games has an association with feeling happier. While this argument is true for recreational players, the story can be different for the elite, where success and failure are won and lost by the finest margins and where winning can mean funding and a future, and losing can mean poverty and unemployment. If this is the case, can being successful at a sport or game actually be bad for you?
Competitive anxiety
Elite competition can be stressful because the outcome is so important to the competitors. We can measure stress using a whole range of physiological indicators such as heart rate and temperature, and responses such as changes in the intensity of our emotions.
Emotions provide a warning of threat. So if you feel that achieving your goal is going to be difficult, then expect to feel intense emotions. The leading candidate that signals we are experiencing stress is anxiety, characterised by thoughts of worry, fears of dread about performance, along with accompanying physiological responses such as increased heart rate and sweaty palms. If these symptoms are experienced regularly or chronically, then this is clearly detrimental to health.
This stress response is probably not restricted to elite athletes. Intense emotions are linked to trying to achieve important goals and while it isnāt the only situation where it occurs, it is just very noticeable in sport.
The causes of stress
It makes more sense to focus on what the causes of stress are rather than where we experience it. The principle is that the more important the goal is to achieve, then the greater the propensity for the situation to intensify emotions.
Emotions intensify also by the degree of uncertainty and competing, at whatever level of a sport, is uncertain when the opposition is trying its hardest to win the contest and also has a motivation to succeed. The key point is that almost all athletes at any level can suffer bouts of stress, partly due to high levels of motivation.
A stress response is also linked to how performance is judged and reported. Potentially stressful tasks tend to be ones where performance is public and feedback is immediate. In chess ā as with most sporting contests ā we see who the winner is and can start celebrating success or commiserating failure as soon as the game is over.
There are many tasks which have similar features. Giving a speech in public, taking an academic examination, or taking your driving test are all examples of tasks that can illicit stress. Stress is not restricted to formal tasks but can also include social tasks. Asking a potential partner for a date, hand in marriage, and meeting the in-laws for the first time can be equally stressful.
Winning a contest or going on a date relate to higher-order goals about how we see ourselves. If we define ourselves as ābeing a good playerā or ābeing attractive or likeableā then contrasting information is likely to associate with unpleasant emotions. You will feel devastated if you are turned down when asking someone out on a date, for instance, and if this was repeated, it could lead to reduced self-esteem and depression.
The key message here is to recognise what your goals are and think about how important they are. If you want to achieve them with a passion and if the act of achieving them leads to intense and sometimes unwanted emotions, then itās worth thinking about doing some work to manage these emotions.
Andrew Lane, Professor in Sport and Learning, University of Wolverhampton
This article is republished from The Conversation under a Creative Commons license. Read the original article.

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Insights into Osteoporosis
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Itās Q&A Day at 10almonds!
Have a question or a request? You can always hit āreplyā to any of our emails, or use the feedback widget at the bottom!
In cases where weāve 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 tooāthereās always more to say!
As ever: if the question/request can be answered briefly, weāll do it here in our Q&A Thursday edition. If not, weāll make a main feature of it shortly afterwards!
So, no question/request too big or small
āI would like to see some articles on osteoporosisā
You might enjoy this mythbusting main feature we did a few weeks ago!
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Insomnia Decoded ā by Dr. Audrey Porter
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We’ve written about sleep books before, so what makes this one different? Its major selling point is: most of the focus isn’t on the things that everyone already knows.
Yes, there’s a section on sleep hygiene and yes it’ll tell you to cut the caffeine and alcohol, but most of the advice here is beyond that.
Rather, it looks at finding out (if you don’t already know for sure) what is keeping you from healthy sleep, be it environmental, directly physical, or psychological, and breaking out of the stress-sleep cycle that often emerges from such.
The style is light and conversational, but includes plenty of science too; Dr. Porter knows her stuff.
Bottom line: if you feel like you know what you should be doing, but somehow life keeps conspiring to stop you from doing it, then this is the book that could help you break out that cycle.
Click here to check out Insomnia Decoded, and get regular healthy sleep!
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Resveratrol & Healthy Aging
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Resveratrol & Healthy Aging
Resveratrol is the compound found in red grapes, and thus in red wine, that have resulted in red wine being sometimes touted as a heart-healthy drink.
However, at the levels contained in red wine, youād need to drink 100ā1000 glasses of wine per day (depending on the wine) to get the dose of resveratrol that was associated with heart health benefits in mouse studies.
Which also means: if you are not a mouse, you might need to drink even more than that!
Further reading: can we drink to good health?
Resveratrol supplementation
Happily, resveratrol supplements exist. But what does resveratrol do?
It lowers blood pressure:
Effect of resveratrol on blood pressure: a meta-analysis of randomized controlled trials
It improves blood lipid levels:
It improves insulin sensitivity:
It has neuroprotective effects too:
Resveratrol promotes clearance of Alzheimer’s disease amyloid-beta peptides
Is it safe?
For most people, it is generally recognized as safe. However, if you are on blood-thinners or otherwise have a bleeding disorder, you might want to skip it:
Antiplatelet activity of synthetic and natural resveratrol in red wine
You also might want to check with your pharmacist/doctor, if youāre on blood pressure meds, anxiety meds, or immunosuppressants, as it can increase the amount of these drugs that will then stay in your system:
Resveratrol modulates drug- and carcinogen-metabolizing enzymes in a healthy volunteer study
And as ever, of course, if unsure just check with your pharmacist/doctor, to be on the safe side.
Where to get it?
We donāt sell it, but hereās an example product on Amazon for your convenience
Enjoy!
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Blackberries vs Blueberries ā Which is Healthier?
10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.
Our Verdict
When comparing blackberries to blueberries, we picked the blackberries.
Why?
They’re both great! But the humble blackberry stands out (and is an example of the rule-of-thumb “foods that are darker are often more nutrient-dense”).
In terms of macros, blackberries have 2x the fiber and for what it’s worth (which isn’t much because the numbers are tiny) 2x the protein, while blueberries have 2x the carbs. An easy first-round win for blackberries.
When it comes to vitamins, blackberries have notably more of vitamins A, B3, B5, B9, C, and E, while blueberries have a little more of vitamins B1, B2, and B6. Another clear win for blackberries.
In the category of minerals, blackberries have a lot more calcium, copper, iron, magnesium, manganese, phosphorus, potassium, selenium, and zinc, while blueberries are not higher in any minerals, so that’s a total win for blackberries in this round!
In other considerations, blueberries are famous for their antioxidants, but blackberries actually equal them. The polyphenol content varies from one fruit to another, but they are both loaded with an abundance (thousands) of antioxidants, especially anthocyanins. So this round’s most reasonably a tie.
Adding up the sections makes for a clear overall win for blackberries, but by all means do enjoy either or both, as diversity is best!
PS: this writer has managed to get both to grow in her garden, and she lives at the edge of an ancient bog, which really limits what can be grown here. This is probably no use to you, dear reader (you are too far for me to share my blackberries and blueberries with you), but I’m proud of it :p However! If we want to make it useful, then: do consider it an exhortation to grow what you can, wherever you may be!
Want to learn more?
You might like:
21 Most Beneficial Polyphenols & What Foods Have Them
Enjoy!
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The Surprising Food Compound That Fixes Leaky Gut
10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.
First, what is leaky gut?
It’s when the barrier between the gut and the rest of the body gets punctured, and things that should definitely stay in the gut escape into the rest of the body.
You may be wondering: how does the gut get punctured and is this only a risk if someone’s stabbing or shooting us?
And the answer is: most often, the gut gets punctured from the inside, either by fungus (usually C. albicans) putting its roots through the intestinal walls, or by other adverse microbiome changes that result in a reduction in mucus and other components of gut’s selective barrier layer that usually allows nutrients to pass through while keeping unpleasantries contained.
You can read more about that, here: Making Friends With Your Gut (You Can Thank Us Later)
And more specifically, for the implications and extra considerations pertaining to this, you might want to check out:
- The Alzheimerās Gut-Brain ConnectionāCaught On X-Ray!
- Spicy Foods & Your Gut ā it’s probably not what you might expect!
- Minimize The Harm Of Antibiotics
So, what’s this about a nutrient, or indeed an antinutrient, that can fix it?
Mighty phytic acid to the rescue!
We’ve written before about phytic acid, usually in the context of it being an antinutrient, that is to say, it reduces the absorption of some nutrients, especially certain minerals.
See for example its mentions in the following articles of ours:
- Brown Rice Protein: Strengths & Weaknesses
- Make Your Vegetables Work Better Nutritionally
- Sprout Your Seeds, Grains, Beans, Etc
…in which cases, usually we’re talking about soaking, cooking, and so forth to reduce the phytic acid content and resultant phytates.
A quick note before we continue: in nutrition science, phytic acid and phytates are closely related and in some contexts can even be interchangeable (them both being considered functionally the same antinutrient), but just to clarify…
- Phytic acid: the molecule itself, also known to its friends as inositol hexakisphosphate (InsP6), which plants use to store phosphorus, especially in seeds, grains, legumes, nuts, and seeds.
- Phytates: the salts formed when phytic acid binds to minerals such as calcium, magnesium, iron, zinc, or potassium. In foods and in the digestive tract, phytic acid mostly exists in these mineral-bound forms.
So for example:
- Phytic acid + calcium ā calcium phytate
- Phytic acid + zinc ā zinc phytate
- Phytic acid + iron ā iron phytate
…and lo and behold, those are the minerals it stopped you from absorbing in those cases!
Now, researchers (Dr. Sujan Chatterjee et al.) have discovered that phytic acid also helps maintain the integrity of the intestinal barrier; when this pathway was disrupted in experimental models, the gut barrier became more permeable, and phytic acid supplementation restored much of the lost function.
Why/how this happens: Dr. Chatterjee and her teem found that phytic acid activates HDAC3, a protein that regulates genes involved in maintaining the gut lining; when HDAC3 activity falls, genes that can damage the intestinal barrier become more active, increasing intestinal permeability and inflammation.
So, in other words, a necessary part of a system was taken out, so the system stopped working properly!
This study also suggests that sometimes it’s one of the enzymes that’s lacking, and that restoring for example HDAC3 activity, if that be lacking, can help protect or repair the intestinal barrier.
You can read this paper in full, here: Phytic acid (InsP6) activates HDAC3 epigenetic axis to maintain intestinal barrier function
And you can read about what foods have often-high phytic acid contents when unprocessed (it’s a lot of edible grains, legumes, and nuts), here: Phytic Acid and Whole Grains for Health Controversy
…which may also explain why almonds improve gut barrier health, as we discussed here: What 47 Almonds Can Do For your Gut, Heart, Skin, & more
Want to learn more?
Do consider this very good book that we reviewed:
Heal Your Gut, Save Your Brain ā by Dr. Partha Nandi
Enjoy!
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Beetroot vs Sweet Potato ā Which is Healthier?
10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.
Our Verdict
When comparing beetroot to sweet potato, we picked the sweet potato.
Why?
Quite a straightforward one today!
In terms of macros, sweet potato has more protein, carbs, and fiber. The glycemic index of both of these root vegetables is similar (and in each case varies similarly depending on how it is cooked), so we’ll call the winner the one that’s more nutritionally denseāthe sweet potato.
Looking at vitamins next, beetroot has more vitamin B9 (and is in fact a very good source of that, unlike sweet potato), and/but sweet potato is a lot higher in vitamins A, B1, B2, B3, B5, B6, B7, C, E, K, and choline. And we’re talking for example more than 582x more vitamin A, more than 17x more vitamin E, more than a 10x more vitamin K, and at least multiples more of the other vitamins mentioned. So this category’s not a difficult one to call for sweet potato.
When it comes to minerals, beetroot has more selenium, while sweet potato has more calcium, copper, magnesium, manganese, phosphorus, and potassium. They’re approximately equal in iron and zinc. Another win for sweet potato.
Of course, enjoy both. But if you’re looking for the root vegetable that’ll bring the most nutrients, it’s the sweet potato.
Want to learn more?
You might like to read:
No, beetroot isnāt vegetable Viagra. But hereās what else it can do
Take care!
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