10% Human – by Dr. Alanna Collen
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The title, of course, is a nod to how by cell count, we are only about 10% human, and the other 90% are assorted microbes.
Dr. Collen starts with the premise that “all diseases begin in the gut” which is perhaps a little bold, but as a general rule of thumb, the gut is, in fairness, implicated in most things—even if not being the cause, it generally plays at least some role in the pathogenesis of disease.
The book talks us through the various ways that our trillions of tiny friends (and some foes) interact with us, from immune-related considerations, to nutrient metabolism, to neurotransmitters, and in some cases, direct mind control, which may sound like a stretch but it has to do with the vagus nerve “gut-brain highway”, and how microbes have evolved to tug on its strings just right. Bearing in mind, most of these microbes have very short life cycles, which means evolution happens for them so much more rapidly than it does for us—something that Dr. Collen, with her PhD in evolutionary biology, has plenty to say about.
There is a practical element too: advice on how to avoid the many illnesses that come with having our various microbiomes (it’s not just the gut!) out of balance, and how to keep everything working together as a team.
The style is quite light pop-science and, once we get past the first chapter (which is about the history of the field), quite a pleasant read as Dr. Collen has an enjoyable and entertaining tone.
Bottom line: if you’d like to understand more about all the things that come together to make us functionally 100% human, then this book is an excellent guide to that.
Click here to check out 10% Human, and learn about how we interact with ourselves!
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Powered by Plants – by Ocean Robbins & Nichole Dandrea-Russert
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Of the two authors, the former is a professional public speaker, and the latter is a professional dietician. As a result, we get a book that is polished and well-presented, while actually having a core of good solid science (backed up with plenty of references).
There’s an introductory section that’s all about the “notable nutrients”, that will be focused on in the ingredients choices for the recipes in the rest of the book.
The recipes themselves are simple enough to do quickly, yet interesting enough that you’ll want to do them, and certainly they contain all the plant-based nutrient-density you might expect.
Bottom line: if you’d like to expand your plant-based cooking with a focus on nutrition and ease without sacrificing fun, then this is a great cookbook for that.
Click here to check out Powered by Plants, and get powered by plants!
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Genius Gut – by Dr. Emily Leeming
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When it comes to the gut-brain information interchange, 90% of it is the gut talking to the brain (the brain is a good listener). As such, one of the best things we can do for our brain is ensure our gut has good things to say.
Dr. Leeming talks us through doing a quick initial assessment to judge the general goodness/badness of our current gut situation (based on output, not input, so it’s about the actual goodness/badness, not what we expect it should be), before going on to explain a lot of the anatomy and physiology at hand.
The hacks themselves may be, in their titles, things you already know—but where the real value of this book lies is in all the data and science collated under each of those hacks, allowing the reader to optimize everything rather than just guessing. Which can mean optimize by doing things as close to perfectly as possible, or it can mean optimize by doing/using the things that get the best results for the minimum effort. It’s up to you!
The style is very casual and friendly, even conversational, while not skimping on science (and indeed, citations are frequently provided for such).
Bottom line: if you’d like to improve your gut health, especially with the goal of improving your brain health, this is an excellent book for that.
Click here to check out Genius Gut, and make yours better for you!
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Apple vs Apricot – Which is Healthier?
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Our Verdict
When comparing apple to apricot, we picked the apricot.
Why?
In terms of macros, there’s not too much between them; apples are higher in carbs and only a little higher in fiber, which disparity makes for a slightly higher glycemic index, but it’s not a big difference and they are both low GI foods.
Micronutrients, however, set these two fruits apart:
In the category of vitamins, apple is a tiny bit higher in choline, while apricots are higher in vitamins A, B1, B2, B3, B5, B6, B9, C, E, and K—in most cases, by quite large margins, too. All in all, a clear and easy win for apricots.
When it comes to minerals, apples are not higher in any minerals, while apricots are higher in calcium, copper, iron, magnesium, manganese, phosphorus, potassium, selenium, and zinc. There’s simply no contest here.
In short, if an apple a day keeps the doctor away, then an apricot will give the doctor a nice weekend break somewhere.
Want to learn more?
You might like to read:
Top 8 Fruits That Prevent & Kill Cancer
Take care!
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Saunas: Health Benefits (& Caveats)
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The Heat Is On
In Tuesday’s newsletter, we asked you your (health-related) opinion on saunas, and got the above-depicted, below-described, set of responses:
- About 53% said it is “a healthful activity with many benefits”
- About 25% said it is “best avoided; I feel like I’m dying in there”
- About 12% said “it feels good and therefore can’t be all bad”
So what does the science say?
The heat of saunas carries a health risk: True or False?
False, generally speaking, for any practical purposes. Of course, anything in life comes with a health risk, but statistically speaking, your shower at home is a lot more dangerous than a sauna (risk of slipping with no help at hand).
It took a bit of effort to find a paper on the health risks of saunas, because all the papers on PubMed etc coming up for those keywords were initially papers with “reduces the risk of…”, i.e. ways in which the sauna is healthy.
However, we did find one:
❝Contraindications to sauna bathing include unstable angina pectoris, recent myocardial infarction, and severe aortic stenosis.
Sauna bathing is safe, however, for most people with coronary heart disease with stable angina pectoris or old myocardial infarction.
Very few acute myocardial infarctions and sudden deaths occur in saunas, but alcohol consumption during sauna bathing increases the risk of hypotension, arrhythmia, and sudden death, and should be avoided. ❞
~ Dr. Matti Hannuksela & Dr. Samer Ellahham
Source: Benefits and risks of sauna bathing
So, very safe for most people, safe even for most people with heart disease, but there are exceptions so check with your own doctor of course.
And drinking alcohol anywhere is bad for the health, but in a sauna it’s a truly terrible idea. As an aside, please don’t drink alcohol in the shower, either (risk of slipping with no help at hand, and this time, broken glass too).
On the topic of it being safe for most people’s hearts, see also:
Beneficial effects of sauna bathing for heart failure patients
As an additional note, those who have a particular sensitivity to the heat, may (again please check with your own doctor, as your case may vary) actually benefit from moderate sauna use, to reduce the cardiovascular strain that your body experiences during heatwaves (remember, you can get out of a sauna more easily than you can get out of a heatwave, so for many people it’s a lot easier to do moderation and improve thermoregulatory responses):
Sauna usage can bring many health benefits: True or False?
True! Again, at least for most people. As well as the above-discussed items, here’s one for mortality rates in healthy Finnish men:
Not only that, also…
❝The Finnish saunas have the most consistent and robust evidence regarding health benefits and they have been shown to decrease the risk of health outcomes such as hypertension, cardiovascular disease, thromboembolism, dementia, and respiratory conditions; may improve the severity of musculoskeletal disorders, COVID-19, headache and flu, while also improving mental well-being, sleep, and longevity.
Finnish saunas may also augment the beneficial effects of other protective lifestyle factors such as physical activity.
The beneficial effects of passive heat therapies may be linked to their anti-inflammatory, cytoprotective and anti-oxidant properties and synergistic effects on neuroendocrine, circulatory, cardiovascular and immune function.
Passive heat therapies, notably Finnish saunas, are emerging as potentially powerful and holistic strategies to promoting health and extending the healthspan in all populations. ❞
~ Dr. Jari Laukkanen & Dr. Setor Kunutsor
(the repeated clarification of “Finnish sauna” is not a matter of fervent nationalism, by the way, but rather a matter of disambiguating it from Swedish sauna, which has some differences, most notably a lack of steam)
That reminds us: in Scandinavia, it is usual to use a sauna naked, and in Finland in particular, it is a common social activity amongst friends, coworkers, etc. In the US, many people are not so comfortable with nudity, and indeed, many places that provide saunas, may require the wearing of swimwear. But…
Just one problem: if you’re wearing swimwear because you’ve just been swimming in a pool, you now have chlorinated water soaked into your swimwear, which in the sauna, will become steam + chlorine gas. That’s not so good for your health (and is one reason, beyond tradition and simple normalization, for why swimwear is usually not permitted in Finnish saunas).
Want to read more?
You might like our previous main feature,
Turning Up The Heat Against Diabetes & Alzheimer’s ← you guessed it, sauna may be beneficial against these too
Take care!
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Farmed Fish vs Wild Caught
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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 😎
❝Is it good to eat farm raised fish?❞
We’ll answer this as a purely health-related question (and thus not considering economy, ecology, ethics, or taste).
It’s certainly not as good as wild-caught fish, for several reasons, some more serious than others:
Farmed fish can have quite a different nutritional profile to wild-caught fish, and also contain more contaminants, including heavy metals.
For example, farmed fish tend to have much higher fat content for the same amount of protein, but lower levels of minerals and other nutrients. Here are two side-by-side:
Wild-caught salmon | Farmed salmon
See also:
Quantitative analysis of the benefits and risks of consuming farmed and wild salmon
Additionally, because fish in fish farms tend to be very susceptible to diseases (because of the artificially cramped and overcrowded environment), fish farms tend to make heavy use of antibiotics, which can cause all sorts of problems down the line:
So definitely, “let the buyer beware”!
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Stop Using The Wrong Hairbrush For Your Hair Type
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When you brush your hair, you’re either making it healthier or damaging it, depending on what you’re using and how. To avoid pulling your hair out, and to enjoy healthy hair of whatever kind you have and whatever length suits you, it pays to know a little about different brushes, and the different techniques involved.
Head-to-head
Brush shapes and sizes are designed to achieve different effects in hair, not just for decoration. For example:
- Rat tail combs are excellent for parting and sectioning hair with clean lines. The rat tail part is actually more important than the comb part.
- Regular combs are multipurpose but best for use with flat irons, ensuring straighter hair for a longer time.
- Wide-tooth combs should not be used for detangling as they can cause breakage; instead, use a proper detangling brush. Speaking of detangling…
- Detangling brushes are essential for daily use. Whichever you use, start brushing from the bottom to prevent tangles from stacking and worsening. As for kinds of detangling brush:
- The “Tangle Teaser” is a good beginner option, but it may not detangle well for thicker hair.
- Wet Brush (this is a brand name, and is not about any inherent wetness) is the recommended detangling brush for most people. It can be used on wet or dry hair.
- Mason Pearson brush is a luxury detangling brush (see it here on Amazon) that works slightly more quickly and efficiently, but is expensive and not necessary for most people.
- Teasing brushes are for adding volume by backcombing—but require skill to prevent visible tangles. Best avoided for most people.
- Ceramic round brushes are the best for blow-drying, because they hold tension and help hair dry smoother and shinier.
- Blow-dryer brushes are great for easy blow-drying but should not be used on dry hair, to avoid damage.
- Denman brushes are for people with natural curls, enhancing curls without straightening them like a Wet brush would.
For more on all of these brushes, plus visual demonstrations, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
Take care!
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