As The Summer Gets Hotter Still…
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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!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small
❝I would love to see an article about heat dehydrated illness….so much of the US is under hot conditions. I had an fainting sweating episode and now trying to recoup from it. What should we do? Drink water,rest…???❞
We have done some of this, but it’s always a good one to revisit! Last summer (N. Hemisphere summer), we wrote this:
Stay Safe From Heat Exhaustion & Heatstroke!
…and this year, it’s getting hotter still (and is already the hottest summer on record), with certainly much of the US seriously affected, as you say. Next year, it will probably be worse again; climate change is getting predictable like that, and likely will continue until fixed. We are but a health science publication, so we can’t fix the world’s climate, but we can reiterate the above advice, and urge everyone to take it seriously.
Note: heat exhaustion and heatstroke kill. Yes, we’re including heat exhaustion in that, because by the time you get heat exhaustion, you’re often not in the best state of mind to take the correct steps to avoid the heatstroke that follows.
To think otherwise would be akin to thinking “falling never killed anyone; it’s only when you stop falling that it’s dangerous”.
This summer, we did also write this more niche article:
…whose advice won’t apply to everyone, but will be helpful to some, and honestly, some of that advice does go for everyone.
One thing we didn’t write about in those articles that we’ll add here:
Humidity is dangerous:
- Dry heat: you sweat, the sweat evaporates, cooling you. As well as losing heat, you’ve also now lost water and salts, which you’ll need to replenish, but your body is operating correctly.
- Humid heat: you sweat, and now you are just sweaty until further notice. It doesn’t evaporate because the surrounding humidity doesn’t provide the physics for that. Not only are you not losing heat through evaporating sweat, but also, if you’re wearing clothes, that’s now an insulating layer you’re wearing.
…so that means, watch the humidity as carefully as you watch the temperature, and when it’s high, get extra serious about finding ways to keep yourself cool (e.g. shade, rest, cooling showers etc if you can, that kind of thing).
Take care!
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Benefits of Different Tropical Fruits
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It’s Q&A Day at 10almonds!
Have a question or a request? You can always hit “reply” to any of our emails, or use the feedback widget at the bottom!
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!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small
❝Would very much like your views of the benefits of different tropical fruits. I do find papaya is excellent for settling the digestion – but keen to know if others have remarkable qualities.❞
Definitely one for a main feature sometime soon! As a bonus while you wait, pineapple has some unique and powerful properties:
❝Its properties include: (1) interference with growth of malignant cells; (2) inhibition of platelet aggregation*; (3) fibrinolytic activity; (4) anti-inflammatory action; (5) skin debridement properties. These biological functions of bromelain, a non-toxic compound, have therapeutic values in modulating: (a) tumor growth; (b) blood coagulation; (c) inflammatory changes; (d) debridement of third degree burns; (e) enhancement of absorption of drugs.❞
*so do be aware of this if you are on blood thinners or otherwise have a bleeding disorder, as you might want to skip the pineapple in those cases!
Source: Bromelain, the enzyme complex of pineapple (Ananas comosus) and its clinical application. An update
Enjoy!
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Could Just Two Hours Sleep Per Day Be Enough?
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Polyphasic Sleep… Super-Schedule Or An Idea Best Put To Rest?
What is it?
Let’s start by defining some terms:
- Monophasic sleep—sleeping in one “chunk” per day. For example, a good night’s “normal” sleep.
- Biphasic sleep—sleeping in two “chunks” per day. Typically, a shorter night’s sleep, with a nap usually around the middle of the day / early afternoon.
- Polyphasic sleep—sleeping in two or more “chunks per day”. Some people do this in order to have more hours awake per day, to do things. The idea is that sleeping this way is more efficient, and one can get enough rest in less time. The most popular schedules used are:
- The Überman schedule—six evenly-spaced 20-minute naps, one every four hours, throughout the 24-hour day. The name is a semi-anglicized version of the German word Übermensch, “Superman”.
- The Everyman schedule—a less extreme schedule, that has a three-hours “long sleep” during the night, and three evenly-spaced 20-minute naps during the day, for a total of 4 hours sleep.
There are other schedules, but we’ll focus on the most popular ones here.
Want to learn about the others? Visit: Polyphasic.Net (a website by and for polyphasic sleep enthusiasts)
Some people have pointed to evidence that suggests humans are naturally polyphasic sleepers, and that it is only modern lifestyles that have forced us to be (mostly) monophasic.
There is at least some evidence to suggest that when environmental light/dark conditions are changed (because of extreme seasonal variation at the poles, or, as in this case, because of artificial changes as part of a sleep science experiment), we adjust our sleeping patterns accordingly.
The counterpoint, of course, is that perhaps when at the mercy of long days/nights at the poles, or no air-conditioning to deal with the heat of the day in the tropics, that perhaps we were forced to be polyphasic, and now, with modern technology and greater control, we are free to be monophasic.
Either way, there are plenty of people who take up the practice of polyphasic sleep.
Ok, But… Why?
The main motivation for trying polyphasic sleep is simply to have more hours in the day! It’s exciting, the prospect of having 22 hours per day to be so productive and still have time over for leisure.
A secondary motivation for trying polyphasic sleep is that when the brain is sleep-deprived, it will prioritize REM sleep. Here’s where the Überman schedule becomes perhaps most interesting:
The six evenly-spaced naps of the Überman schedule are each 20 minutes long. This corresponds to the approximate length of a normal REM cycle.
Consequently, when your head hits the pillow, you’ll immediately begin dreaming, and at the end of your dream, the alarm will go off.
Waking up at the end of a dream, when one hasn’t yet entered a non-REM phase of sleep, will make you more likely to remember it. Similarly, going straight into REM sleep will make you more likely to be aware of it, thus, lucid dreaming.
Read: Sleep fragmentation and lucid dreaming (actually a very interesting and informative lucid dreaming study even if you don’t want to take up polyphasic sleep)
Six 20-minute lucid-dreaming sessions per day?! While awake for the other 22 hours?! That’s… 24 hours per day of wakefulness to use as you please! What sorcery is this?
Hence, it has quite an understandable appeal.
Next Question: Does it work?
Can we get by without the other (non-REM) kinds of sleep?
According to Überman cycle enthusiasts: Yes! The body and brain will adapt.
According to sleep scientists: No! The non-REM slow-wave phases of sleep are essential
Read: Adverse impact of polyphasic sleep patterns in humans—Report of the National Sleep Foundation sleep timing and variability consensus panel
(if you want to know just how bad it is… the top-listed “similar article” is entitled “Suicidal Ideation”)
But what about, for example, the Everman schedule? Three hours at night is enough for some non-REM sleep, right?
It is, and so it’s not as quickly deleterious to the health as the Überman schedule. But, unless you are blessed with rare genes that allow you to operate comfortably on 4 hours per day (you’ll know already if that describes you, without having to run any experiment), it’s still bad.
Adults typically need 7–9 hours of sleep per night, and if you don’t get it, you’ll accumulate a sleep debt. And, importantly:
When you accumulate sleep debt, you are borrowing time at a very high rate of interest!
And, at risk of laboring the metaphor, but this is important too:
Not only will you have to pay it back soon (with interest), you will be hounded by the debt collection agents—decreased cognitive ability and decreased physical ability—until you pay up.
In summary:
- Polyphasic sleep is really very tempting
- It will give you more hours per day (for a while)
- It will give the promised lucid dreaming benefits (which is great until you start micronapping between naps, this is effectively a mini psychotic break from reality lasting split seconds each—can be deadly if behind the wheel of a car, for instance!)
- It is unequivocally bad for the health and we do not recommend it
Bottom line:
Some of the claimed benefits are real, but are incredibly short-term, unsustainable, and come at a cost that’s far too high. We get why it’s tempting, but ultimately, it’s self-sabotage.
(Sadly! We really wanted it to work, too…)
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How Aging Changes At 44 And Again At 60 (And What To Do About It)
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As it turns out, aging is not linear. Or rather: chronological aging may be, but biological aging isn’t, and there are parts of our life where it kicks into a different gear. This study looked at 108 people (65 of whom women) between the ages of 25 and 75, as part of a longitudinal cohort study, tracked for around 2–8 years (imprecise as not all follow-up durations were the same). They took frequent blood and urine samples, and tested them for thousands of different molecules and analyzing changes in gene expression, proteomic, blood biomarkers, and more. All things that are indicators of various kinds of health/disease, and which might seem more simple but it isn’t: aging.
Here’s what they found:
Landmark waypoints
At 44, significant changes occur in the metabolism, including notably the metabolism of carbs, caffeine, and alcohol. A large portion of this may be hormone related, as that’s a time of change not just for those undergoing the menopause, but also the andropause (not entirely analogous to the menopause, but it does usually entail a significant reduction in sex hormone production; in this case, testosterone).
However, the study authors also hypothesize that lifestyle factors may be relevant, as one’s 40s are often a stressful time, and an increase in alcohol consumption often occurs around the same time as one’s ability to metabolize it drops, resulting in further dysfunctional alcohol metabolism.
At 60, carb metabolism slows again, with big changes in glucose metabolism specifically, as well as an increased risk of cardiovascular disease, and a decline in kidney function. In case that wasn’t enough: also an increase free radical pathology, meaning a greatly increased risk of cancer. Immune function drops too.
What to do about this: the recommendation is of course to be proactive, and look after various aspects of your health before it becomes readily apparent that you need to. For example, good advice for anyone approaching 44 might be to quit alcohol, go easy on caffeine, and eat a diet that is conducive to good glucose metabolism. Similarly, good advice for anyone approaching 60 might be to do the same, and also pay close attention to keeping your kidneys healthy. Getting regular tests done is also key, including optional extras that your doctor might not suggest but you should ask for, such as blood urea nitrogen levels (biomarkers of kidney function). The more we look after each part of our body, the more they can look after us in turn, and the fewer/smaller problems we’ll have down the line.
If you, dear reader, are approaching the age 44 or 60… Be neither despondent nor complacent. We must avoid falling into the dual traps of “Well, that’s it, bad health is around the corner, nothing I can do about it; that’s nature”, vs “I’ll be fine, statistics are for other people, and don’t apply to me”.
Those are averages, and we do not have to be average. Every population has statistical outliers. But it would be hubris to think none of this will apply to us and we can just carry on regardless. So, for those of us who are approaching one of those two ages… It’s time to saddle up, knuckle down, and do our best!
For more on all of this, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
Also, if you’d like to read the actual paper by Dr. Xiaotao Shen et al., here it is:
Nonlinear dynamics of multi-omics profiles during human aging ← honestly, it’s a lot clearer and more informative than the video, and also obviously discusses things in a lot more detail than we have room to here
Take care!
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Anti-Inflammatory Piña Colada Baked Oats
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If you like piña coladas and getting songs stuck in your head, then enjoy this very anti-inflammatory, gut-healthy, blood-sugar-balancing, and frankly delicious dish:
You will need
- 9 oz pineapple, diced
- 7 oz rolled oats
- 3 oz desiccated coconut
- 14 fl oz coconut milk (full fat, the kind from a can)
- 14 fl oz milk (your choice what kind, but we recommend coconut, the kind for drinking)
- Optional: some kind of drizzling sugar such as honey or maple syrup
Method
(we suggest you read everything at least once before doing anything)
1) Preheat the oven to 350℉ / 180℃.
2) Mix all the ingredients (except the drizzling sugar, if using) well, and put them in an ovenproof dish, compacting the mixture down gently so that the surface is flat.
3) Drizzle the drizzling sugar, if drizzling.
4) Bake in the oven for 30–40 minutes, until lightly golden-brown.
5) Serve hot or cold:
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Bromelain vs Inflammation & Much More ← as found (uniquely!) in pineapple
- Can Saturated Fats Be Healthy? ← coconut certainly can!
- The Best Kind Of Fiber For Overall Health? ← it’s β-glucan, as found in abundance in oats
Take care!
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Pinch of Nom – by Kate Allinson & Kay Allinson
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“Home-style recipes”, because guess where most readers live!
And: slimming, because trimming the waistline a little is a goal for many after holiday indulgences.
The key idea here is healthy recipes that “don’t taste like diet food”—often by just switching out a couple of key ingredients, to give a significantly improved nutritional profile while remaining just as tasty, especially when flavors are enhanced with clever spicing and seasoning.
The food is simple to prepare, while being “special” enough that it could be used very credibly for entertaining too. For that matter, a strength of the book is its potential for use as a creative springboard, if you’re so inclined—there are lots of good ideas in here.
The recipes themselves are all you’d expect them to be, and presented clearly in an easy-to-follow manner.
Bottom line: if you’ve ever wanted to cook healthily but you need dinner on the table in the very near future and are stuck for ideas, this book is exactly what you need.
Click here to check out Pinch of Nom, and liven up your healthy cooking!
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Can You Shrink A Waist In Seven Days?
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We don’t usually do this sort of video, but it seems timely before the new year. The exercises shown here are very good, and the small dietary tweak is what makes it work:
The method
Firstly, the small dietary tweak is: abstaining from foods that cause bloating, such as flour and dairy. She does say “брожение” (fermentation), but we don’t really use the word that way in English. On which note: she is Ukrainian and speaking Russian (context: many Ukrainians grew up speaking both languages), so you will need the subtitles on if you don’t understand Russian, but a) it’s worth it b) the subtitles have been put in manually so they’re a respectable translation.
Secondly, spoiler, she loses about 2 inches.
The exercises are:
- Pelvic swing-thrusts: sit, supporting yourself on your hands with your butt off the floor; raise your pelvis up to a table position, do 30 repetitions.
- Leg raises in high plank: perform 20 lifts per leg, each to its side.
- Leg raises (lying on back): do 20 repetitions.
- V-crunches: perform 30 repetitions.
- V-twists: lean on hands and do 25 repetitions.
These exercises (all five done daily for the 7 days) are great for core strength, and core muscletone is what keeps your innards in place, rather than letting them drop down (and out).
Thus, there’s only a small amount of actual fat loss going on here (if any), but it slims the waistline by improving muscletone and simultaneously decreasing bloating, which are both good changes.
For more on all of these plus visual demonstrations, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
Visceral Belly Fat & How To Lose It
Take care!
Don’t Forget…
Did you arrive here from our newsletter? Don’t forget to return to the email to continue learning!
Learn to Age Gracefully
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