Should You Shower Daily?
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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 read an article that daily showering is “performative” and doesn’t really give any health benefits, what do you say?❞
We looked to find the article you might be referring to, and this seems to be about a BBC article that was then picked up, rehashed in fewer (but more sensational) words, and widely popularized by the New York Post (not the most scholarly of publications, but it seems to have “done numbers”).
Here’s the BBC article:
BBC | There’s no need to shower every day—here’s why
Looking for the science behind the “Experts say…” claims, none of the articles we found linked to any new research. One of them did link to some old (2005) research:
We also see (in the dearth of scholarly research to cite), a Harvard Health article being cited quite a bit, and this is more helpful and informative than the flashy news articles, without requiring to read through a lot of hard science.
To summarize, Harvard’s Dr. Shmerling says daily showering can:
- Cause/worsen dry skin
- Make skin more permeable to pathogens
- Upset our natural balance of bacteria that are supposed to be there
- Weaken our immune system
Read in full: Harvard Health | Showering daily—is it necessary?
But what if I like showering?
Well, don’t let us stop you. But you might consider using less in the way of shower products. We wrote about this previously, in answer to a different-but-related subscriber question:
10almonds | Body Scrubs: Benefits, Risks, and Guidance
PS…
Handwashing, though? Most people could reasonably do that more often:
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NADᐩ Against Aging
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Nicotinamide adenine dinucleotide, or “NAD” to its friends, is a coenzyme produced in the human body (amongst other places), and it is critical for cellular energy metabolism, but there’s more to it than that.
Today we’ll be looking mostly at NAD+, of which the + indicates the positive formal charge of one of its nitrogen atoms. We won’t get too much into the chemistry of this, but we will mention that it’s a cofactor with NADH—the former accepting electrons and the latter donating electrons.
Both NAD+ and NADH are critical to good health, but we’re going to focus on NAD+ for the simple reason that it gets depleted with aging.
Note: it gets depleted with aging.
Chronological age is not so important here, but there is a direct relationship between biological aging and NAD+ depletion.
For example, healthy centenarians tend not to have depleted NAD+ levels. Further, its depletion (in those in whom it is depleted) is then a causal factor for many age-related diseases:
❝Remarkably, ageing is accompanied by a gradual decline in tissue and cellular NAD+ levels in multiple model organisms, including rodents and humans.
This decline in NAD+ levels is linked causally to numerous ageing-associated diseases, including cognitive decline, cancer, metabolic disease, sarcopenia and frailty.
Many of these ageing-associated diseases can be slowed down and even reversed by restoring NAD+ levels.❞
~ Dr. Rosalba Perrone et al.
Read in full: NAD+ metabolism and its roles in cellular processes during ageing
As for restoring those NADᐩ levels, that does help in interventional trials, whether by supplementing directly, or with NAD precursors*:
❝NAD+ levels steadily decline with age, resulting in altered metabolism and increased disease susceptibility.
Restoration of NAD+ levels in old or diseased animals can promote health and extend lifespan, prompting a search for safe and efficacious NAD-boosting molecules that hold the promise of increasing the body’s resilience, not just to one disease, but to many, thereby extending healthy human lifespan.❞
~ Dr. David Sinclair et al.
Read more: Therapeutic Potential of NAD-Boosting Molecules: The In Vivo Evidence
*There are actually also other NAD-boosting molecules besides NAD itself and its precursors. For example, the liver will not produce NADᐩ unless it has aminocarboxymuconate-semialdehyde decarboxylase (or “ACMSD”, to its friends), which limits the production of NADᐩ. Why, you ask? The theory is that it is a kind of evolutionary conservativism, much like not lighting a fire without the ability to put it out. In any case, taking ACMSD-blockers will thus result in an increased endogenous production of NADᐩ.
You can read about this here:
De novo NAD+ synthesis enhances mitochondrial function and improves health
Nor is taking supplements or drugs the only way to get more of it; there’s an enzyme nicotinamide phosphoribosyltransferase (“NAMPT”, to its friends) involved in the synthesis of NADᐩ, and exercise boosts levels by 127% (i.e., it more than doubles the levels), based on a modest three-week exercise bike regimen:
Skeletal muscle NAMPT is induced by exercise in humans
And to underline that point, another study found that resistance training (so, a different kind of exercise from that of the previous study) boosts levels of NADᐩ itself by the same 127%:
One way to get more out of NADᐩ
We’ll get straight to the point: it works very well paired with a senolytic agent, i.e. something that kills aging cells so that they get recycled sooner:
NAD+, Senolytics, or Pyruvate for Healthy Aging?
To read more about senolytics, check out:
Fisetin: The Anti-Aging Assassin
Want to try some?
We don’t sell it, but here for your convenience is an example product on Amazon 😎
Enjoy!
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Sesame Chocolate Fudge
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If you’d like a sweet treat without skyrocketing your blood sugars with, well, rocket fuel… Today’s recipe can help you enjoy a taste of decadence that’s not bad for your blood sugars, and good for your heart and brain.
You will need
- ½ cup sesame seeds
- ¼ cup cocoa powder
- 3 tbsp maple syrup
- 1 tbsp coconut oil (plus a little extra for the pan)
Method
(we suggest you read everything at least once before doing anything)
1) Lightly toast the sesame seeds in a pan until golden brown. Remove from the heat and allow to cool.
2) Put them in a food processor, and blend on full speed until they start to form a dough-like mixture. This may take a few minutes, so be patient. We recommend doing it in 30-second sessions with a 30-second rest between them, to avoiding overheating the motor.
3) Add the rest of the ingredients and blend to combine thoroughly—this should go easily now and only take 10 seconds or so, but judge it by eye.
4) Grease an 8″ square baking tin with a little coconut oil, and add the mixture, patting it down to fill the tin, making sure it is well-compressed.
5) Allow to chill in the fridge for 6 hours, until firm.
6) Turn the fudge out onto a chopping board, and cut into the size squares you want. Serve, or store in the fridge until ready to serve.
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Tasty Polyphenols For Your Heart & Brain
- Cacao vs Carob – Which is Healthier?
- Can Saturated Fats Be Healthy?
Take care!
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Lifestyle vs Multiple Sclerosis & More
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This is Dr. Saray Stancic. She’s another from the ranks of “doctors who got a serious illness and it completely changed how they view the treatment of serious illness”.
In her case, Stancic was diagnosed with multiple sclerosis, and wasn’t impressed with the results from the treatments offered, so (after 8 years of pain, suffering, and many medications, only for her condition to worsen) she set about doing better with an evidence-based lifestyle medicine approach.
After 7 years of her new approach, she would go on to successfully run a marathon and live symptom-free.
All this to say: her approach isn’t a magic quick fix, but it is a serious method for serious results, and after all, while it’d be nice to be magically in perfect health tomorrow, what’s important is being in good health for life, right?
If you’re interested in her impressive story, check out:
Doctor With Multiple Sclerosis On The Collapse Of US Healthcare
If you want to know what she did, then read on…
Six key lifestyle changes
Dr. Stancic credits her recovery to focus on the following evidence-based approaches:
The plant-centered plate
This is critical, and is the one she places most emphasis on. Most chronic diseases are exacerbated, if not outright caused, by chronic inflammation, and one cannot fix that without an anti-inflammatory diet.
An anti-inflammatory diet doesn’t have to be 100% plant-based, but broadly speaking, plants are almost always anti-inflammatory to a greater or lesser degree, while animal products are often pro-inflammatory—especially red meat and unfermented dairy.
For more details, see:
Anti-Inflammatory Diet 101 (What to Eat to Fight Inflammation)
Movement every day
While “exercise is good for you” is in principle not a shocker, remember that her starting point was being in terrible condition with badly flared-up MS.
Important to understand here is that excessive exercise can weaken the immune system and sometimes cause flare-ups of various chronic diseases.
Moving thoroughly and moving often, however, is best. So walking yes, absolutely, but also don’t neglect the rest of your body, do some gentle bodyweight squats (if you can; if you can’t, work up to them), stretch your arms as well as your legs, take all your joints through a full range of motion.
See also:
The Doctor Who Wants Us To Exercise Less, & Move More
Mindful stress management
Stress in life is unavoidable, but how we manage it is up to us. Bad things will continue to happen, great and small, but we can take a deep breath, remember that those things aren’t the boss of us, and deal with it calmly and conscientiously.
Mindfulness-Based Stress Reduction is of course the evidence-based “gold standard” for this, but whatever (not substance-based) method works for you, works for you!
About MBSR:
No-Frills, Evidence-Based Mindfulness
Good sleeping habits
Getting good sleep can be hard for anyone, let alone if you have chronic pain. However, Dr. Stancic advocates for doing whatever we can to get good sleep—which means not just duration (the famous “7–9 hours”), but also quality.
Learn more:
The 6 Dimensions Of Sleep (And Why They Matter)
Substance intake awareness
This one’s not so much of a “don’t do drugs, kids” as the heading makes it look. Dr. Stancic assumes we already know, for example, that smoking is bad for us in a long list of ways, and alcohol isn’t much better.
However, she also advises us that in our eagerness to do that plant-based diet, we would do better to go for whole foods plant-based, rather than the latest processed meat substitutes, for example.
And supplements? She bids us exercise caution, and to make sure to get good quality, as poor quality supplements can be worse than taking nothing (looking at you, cheap turmeric supplements that contain heavy metals).
And of course, that nutrients gained from diet will almost always be better than nutrients gained from supplements, as our body can usually use them better.
And see also, some commonly-made supplements mistakes:
Do You Know Which Supplements You Shouldn’t Take Together? (10 Pairs!)
Human connection
Lastly, we humans are a social species by evolution; as individuals, we may enjoy relatively more or less social contact, but having access to such is important not just for our mental health, but our physical health too—we will tend to deteriorate much more quickly when we have to deal with everything alone, all other things being equal.
It doesn’t mean you need a busy social life if that’s not in your nature, but it does mean it’s incredibly beneficial to have at least a small number of people that you trust and whose company you enjoy, at least relatively accessible to you (i.e., their life need not revolve around you, but they are the kind of people who will generally happily spend time with you and provide support when needed if they can).
As for how:
How To Beat Loneliness & Isolation
Want to know more from Dr. Stancic?
We recently reviewed this very good book of hers, which goes over each of these six things in much more detail than we have room for here:
What’s Missing from Medicine – by Dr. Saray Stancic
Enjoy!
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The Mental Health First-Aid That You’ll Hopefully Never Need
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Take Your Mental Health As Seriously As General Health!
Sometimes, health and productivity means excelling—sometimes, it means avoiding illness and unproductivity. Both are essential, and today we’re going to tackle some ground-up stuff. If you don’t need it right now, great; we suggest to read it for when and if you do. But how likely is it that you will?
- One in four of us are affected by serious mental health issues in any given year.
- One in five of us have suicidal thoughts at some point in our lifetime.
- One in six of us are affected to at least some extent by the most commonly-reported mental health issues, anxiety and depression, in any given week.
…and that’s just what’s reported, of course. These stats are from a UK-based source but can be considered indicative generally. Jokes aside, the UK is not a special case and is not measurably worse for people’s mental health than, say, the US or Canada.
While this is not an inherently cheery topic, we think it’s an important one.
Depression, which we’re going to focus on today, is very very much a killer to both health and productivity, after all.
One of the most commonly-used measures of depression is known by the snappy name of “PHQ9”. It stands for “Patient Health Questionnaire Nine”, and you can take it anonymously online for free (without signing up for anything; it’s right there on the page already):
Take The PHQ9 Test Here! (under 2 minutes, immediate results)
There’s a chance you took that test and your score was, well, depressing. There’s also a chance you’re doing just peachy, or maybe somewhere in between. PHQ9 scores can fluctuate over time (because they focus on the past two weeks, and also rely on self-reports in the moment), so you might want to bookmark it to test again periodically. It can be interesting to track over time.
In the event that you’re struggling (or: in case one day you find yourself struggling, or want to be able to support a loved one who is struggling), some top tips that are useful:
Accept that it’s a medical condition like any other
Which means some important things:
- You/they are not lazy or otherwise being a bad person by being depressed
- You/they will probably get better at some point, especially if help is available
- You/they cannot, however, “just snap out of it”; illness doesn’t work that way
- Medication might help (it also might not)
Do what you can, how you can, when you can
Everyone knows the advice to exercise as a remedy for depression, and indeed, exercise helps many. Unfortunately, it’s not always that easy.
Did you ever see the 80s kids’ movie “The Neverending Story”? There’s a scene in which the young hero Atreyu must traverse the “Swamp of Sadness”, and while he has a magical talisman that protects him, his beloved horse Artax is not so lucky; he slows down, and eventually stops still, sinking slowly into the swamp. Atreyu pulls at him and begs him to keep going, but—despite being many times bigger and stronger than Atreyu, the horse just sinks into the swamp, literally drowning in despair.
See the scene: The Neverending Story movie clip – Artax and the Swamp of Sadness (1984)
Wow, they really don’t make kids’ movies like they used to, do they?
But, depression is very much like that, and advice “exercise to feel less depressed!” falls short of actually being helpful, when one is too depressed to do it.
If you’re in the position of supporting someone who’s depressed, the best tool in your toolbox will be not “here’s why you should do this” (they don’t care; not because they’re an uncaring person by nature, but because they are physiologically impeded from caring about themself at this time), but rather:
“please do this with me”
The reason this has a better chance of working is because the depressed person will in all likelihood be unable to care enough to raise and/or maintain an objection, and while they can’t remember why they should care about themself, they’re more likely to remember that they should care about you, and so will go with your want/need more easily than with their own. It’s not a magic bullet, but it’s worth a shot.
What if I’m the depressed person, though?
Honestly, the same, if there’s someone around you that you do care about; do what you can to look after you, for them, if that means you can find some extra motivation.
But I’m all alone… what now?
Firstly, you don’t have to be alone. There are free services that you can access, for example:
- US: https://nami.org/help
- Canada: https://www.wellnesstogether.ca/en-CA
- UK: https://www.samaritans.org/
…which varyingly offer advice, free phone services, webchats, and the like.
But also, there are ways you can look after yourself a little bit; do the things you’d advise someone else to do, even if you’re sure they won’t work:
- Take a little walk around the block
- Put the lights on when you’re not sleeping
- For that matter, get out of bed when you’re not sleeping. Literally lie on the floor if necessary, but change your location.
- Change your bedding, or at least your clothes
- If changing the bedding is too much, change just the pillowcase
- If changing your clothes is too much, change just one item of clothing
- Drink some water; it won’t magically cure you, but you’ll be in slightly better order
- On the topic of water, splash some on your face, if showering/bathing is too much right now
- Do something creative (that’s not self-harm). You may scoff at the notion of “art therapy” helping, but this is a way to get at least some of the lights on in areas of your brain that are a little dark right now. Worst case scenario is it’ll be a distraction from your problems, so give it a try.
- Find a connection to community—whatever that means to you—even if you don’t feel you can join it right now. Discover that there are people out there who would welcome you if you were able to go join them. Maybe one day you will!
- Hiding from the world? That’s probably not healthy, but while you’re hiding, take the time to read those books (write those books, if you’re so inclined), learn that new language, take up chess, take up baking, whatever. If you can find something that means anything to you, go with that for now, ride that wave. Motivation’s hard to come by during depression and you might let many things slide; you might as well get something out of this period if you can.
If you’re not depressed right now but you know you’re predisposed to such / can slip that way?
Write yourself instructions now. Copy the above list if you like.
Most of all: have a “things to do when I don’t feel like doing anything” list.
If you only take one piece of advice from today’s newsletter, let that one be it!
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How Not to Age – by Dr. Michael Greger
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First things first: it’s a great book, and it’s this reviewer’s favorite of Dr. Greger’s so far (for posterity: it’s just been published and this reviewer has just finished reading the copy she got on pre-order)
Unlike many popular physician authors, Dr. Greger doesn’t rehash a lot of old material, and instead favours prioritizing new material in each work. Where appropriate, he’ll send the reader to other books for more specific information (e.g: you want to know how to avoid premature death? Go read How Not To Die. You want to know how to lose weight? How Not To Diet. Etc).
In the category of new information, he has a lot to offer here. And with over 8,000 references, it’s information, not conjecture. On which note, we recommend the e-book version if that’s possible for you, for three reasons:
- It’s possible to just click the references and be taken straight to the cited paper itself online
- To try to keep the book’s size down, Dr. Greger has linked to other external resources too
- The only negative reviews on Amazon, so far, are people complaining that the print copy’s text is smaller than they’d like
For all its information-density (those 8,000+ references are packed into 600ish pages), the book is very readable even to a lay reader; the author is a very skilled writer.
As for the content, we can’t fit more than a few sentences here so forgive the brevity, but we’ll mention that he covers:
- Slowing 11 pathways of aging
- The optimal anti-aging regimen according to current best science
- Preserving function (specific individual aspects of aging, e.g. hearing, sight, cognitive function, sexual function, hair, bones, etc)
- “Dr. Greger’s Anti-Aging Eight”
In terms of “flavor” of anti-aging science, his approach can be summed up as: diet and lifestyle as foundation; specific supplements and interventions as cornerstones.
Bottom line: this is now the anti-aging book.
Click here to check out How Not To Age, and look after yourself with the best modern science!
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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!
Don’t Forget…
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