Brain Maker – by Dr. David Perlmutter
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Regular 10almonds readers probably know about the gut-brain connection already, so what’s new here?
Dr. David Perlmutter takes us on a tour of gut and brain health, specifically, the neuroprotective effect of healthy gut microbiota.
This seems unlikely! After all, vagus nerve or no, the gut microbiota are confined to the gut, and the brain is kept behind the blood-brain barrier. So how does one thing protect the other?
Dr. Perlmutter presents the relevant science, and the honest answer is, we’re not 100% sure how this happens! We do know part of it: that bad gut microbiota can result in a “leaky gut”, and that may in turn lead to such a thing as a “leaky brain”, where the blood-brain barrier has been compromised and some bad things can get in with the blood.
When it comes to gut-brain health…
Not only is the correlation very strong, but also, in tests where someone’s gut microbiota underwent a radical change, e.g. due to…
- antibiotics (bad)
- fasting (good)
- or a change in diet (either way)
…their brain health changed accordingly—something we can’t easily check outside of a lab, but was pretty clear in those tests.
We’re also treated to an exposé on the links between gut health, brain health, inflammation, and dementia… Which links are extensive.
In closing, we’ll mention that throughout this book we’re also given many tips and advices to improve our gut/brain health, reverse damage done already, and set ourselves up well for the future.
Click here to check out “Brain Maker” on Amazon and take care of this important part of your health!
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Undoing Creatine’s Puffiness Side Effect
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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 😎
❝Creatine is known to increase “puffiness”, especially in my face. Are there any supplements that do the opposite?!❞
So first, let’s examine why this happens: creatine is most often taken to boost muscle size and performance. Your muscles are, of course, mostly water by mass, and so building your muscles requires extra water, which triggers systemic water retention.
In other words: you take creatine, exercise, and as the muscles start growing, the body goes “oh heck, we are running out of water, better save as much as possible in order to keep hydrating the muscles without running out” and starts putting it anywhere it can that’s not your bladder, so this will largely be the soft tissues of your body.
So, this results in classic water retentions symptoms including bloating and, yes, facial puffiness.
How much this happens, and how long the effects last, depend on three main things:
- What daily dose of creatine you are taking
- What kind of exercise you are doing
- What your hydration is like
The dose is relevant as it’s most common to get this puffiness during the “loading” phase, i.e. if you’re taking an increased dose to start with.
The exercise is relevant as it affects how much your body is actually using the water to build muscles.
The hydration is relevant because the less water you are taking, the more the body will try to retain whatever you do have.
This means, of course, that the supplement you are looking for to undo the facial puffiness is, in fact, water (even, nay, especially, if you feel bloated too):
Water For Everything? Water’s Counterintuitive Properties
Additionally, you could scale back the dose of creatine you’re taking, if you’re not currently doing heavy muscle-building exercise.
That said, the recommended dose for cognitive benefits is 5g/day, which is a very standard main-phase (i.e., post-loading) bodybuilding dose, so do with that information what you will.
See also: Creatine’s Brain Benefits Increase With Age
On which note: whether or not you want to take creatine for brain benefits, however, may depend on your age:
Creatine: Very Different For Young & Old People
Most research on creatine’s effects on humans has usually been either collegiate athletes or seniors, which leaves quite a research gap in the middle—so it’s unclear at what age the muscle-building effects begin to taper off, and at what age the cognitive benefits begin to take off.
Want a quicker fix?
If you want to reduce your facial puffiness acutely (e.g., you have a date in an hour and would like to not have a puffy face), then there are two things you can do that will help immediately, and/but only have short-term effects, meaning you’d have to do them daily to enjoy the results every day:
The first is an ice bath; simply fill a large bowl with water and ice cubes, give it a couple of minutes to get down to temperature, hold your breath and plunge your face in for as long as you can comfortably hold your breath. Repeat a few times, and towel off.
This helps by waking up the vasculature in your face, helping it to reduce puffiness naturally.
The second is facial yoga or guā shā, which is the practice of physically manipulating the soft tissues of your face to put them where you want them, rather than where you don’t want them. This will work against water retention puffiness, as well as cortisol puffiness, lymphatic puffiness, and more:
7-Minute Face Fitness For Lymphatic Drainage & Youthful Jawline
Enjoy!
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How Old Is Too Old For HRT?
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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 think you guys do a great job. Wondering if I can suggest a topic? Older women who were not offered hormone replacement therepy because of a long term study that was misread. Now, we need science to tell us if we are too old to benefit from begininng to take HRT. Not sure how old your readers are on average but it would be a great topic for older woman. Thanks❞
Thank you for the kind words, and the topic suggestion!
About the menopause and older age thereafter
We’ve talked a bit before about the menopause, for example:
What You Should Have Been Told About The Menopause Beforehand
And we’ve even discussed the unfortunate social phenomenon of post-menopausal women thinking “well, that’s over and done with now, time to forget about that”, because spoiler, it will never be over and done with—your body is always changing every day, and will continue to do so until you no longer have a body to change.
This means, therefore, that since changes are going to happen no matter what, the onus is on us to make the changes as positive (rather than negative) as possible:
Menopause, & When Not To Let Your Guard Down
About cancer risk
It sounds like you know this one, but for any who were unaware: indeed, there was an incredibly overblown and misrepresented study, and even that was about older forms of HRT (being conjugated equine estrogens, instead of bioidentical estradiol):
As for those who have previously had breast cancer or similar, there is also:
The Hormone Therapy That Reduces Breast Cancer Risk & More
Is it too late?
Fortunately, there is a quick and easy test to know whether you are too old to benefit:
First, find your pulse, by touching the first two fingers of one hand, against the wrist of the other. If you’re unfamiliar with where to find the pulse at the wrist, here’s a quick explainer.
Or if you prefer a video:
Click Here If The Embedded Video Doesn’t Load Automatically!
Did you find it?
Good; in that case, it’s not too late!
Scientists have tackled this question, looking at women of various ages, and finding that when comparing age groups taking HRT, disease risk changes do not generally vary much by age i.e., someone at 80 gets the same relative benefit from HRT as someone at 50, with no extra risks from the HRT. For example, if taking HRT at 50 reduces a risk by n% compared to an otherwise similar 50-year-old not on HRT, then doing so at 80 reduces the same risk by approximately the same percentage, compared to an otherwise similar 80-year-old not on HRT.
There are a couple of exceptions, such as in the case of already having advanced atherosclerotic lesions (in which specific case HRT could increase inflammation; not something it usually does), or in the case of using conjugated equine estrogens instead of modern bioidentical estradiol (as we talked about before).
Thus, for the most part, HRT is considered safe and effective regardless of age:
How old is too old for hormone therapy?
👆 that’s from 2015 though, so how about a new study, from 2024?
❝Compared with never use or discontinuation of menopausal hormone therapy after age 65 years, the use of estrogen monotherapy beyond age 65 years was associated with significant risk reductions in mortality (19% or adjusted hazards ratio, 0.81; 95% CI, 0.79-0.82), breast cancer (16%), lung cancer (13%), colorectal cancer (12%), congestive heart failure (CHF) (5%), venous thromboembolism (3%), atrial fibrillation (4%), acute myocardial infarction (11%), and dementia (2%).❞
❝Among senior Medicare women, the implications of menopausal hormone therapy use beyond age 65 years vary by types, routes, and strengths. In general, risk reductions appear to be greater with low rather than medium or high doses, vaginal or transdermal rather than oral preparations, and with estradiol rather than conjugated estrogen.❞
Read in full: Use of menopausal hormone therapy beyond age 65 years and its effects on women’s health outcomes by types, routes, and doses
As for more immediately-enjoyable benefits (improved mood, healthier skin, better sexual function, etc), yes, those also are benefits that people enjoy at least into their eighth decade:
See: Use of hormone therapy in Swedish women aged 80 years or older
What about…
Statistically speaking, most people who take HRT have a great time with it and consider it life-changing in a good way. However, nothing is perfect; sometimes going on HRT can have a shaky start, and for those people, there may be some things that need addressing. So for that, check out:
HRT Side Effects & Troubleshooting
And also, while estrogen monotherapy is very common, it is absolutely worthwhile to consider also taking progesterone alongside it:
Progesterone Menopausal HRT: When, Why, And How To Benefit
Enjoy!
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How Tight Are Your Hips? Test (And Fix!) With This
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Upon surveying over half a million people; hips were the most common area for stiffness and lack of mobility. So, what to do about it?
This test don’t lie
With 17 muscles contributing to hip function (“hip flexors” being the name for this group of 17 muscles, not specific muscle), it’s important to figure out which ones are tight, and if indeed it really is the hip flexors at all, or if it could be, as it often is, actually the tensor fasciae latae (TFL) muscle of the thigh. If it turns out to be both, well, that’s unfortunate but the good news is, now you’ll know and can start fixing from all the necessary angles.
Diagnostic test for tight hip flexors (Thomas Test):
- Use a sturdy, elevated surface (e.g. table or counter—not a bed or couch, unless there is perchance room to swing your legs without them touching the floor).
- Sit at the edge, lie back, and pull both knees to your chest.
- Return one leg back down until the thigh is perpendicular to the table.
- Let the other leg dangle off the edge to assess flexibility.
Observations from the test:
- Thigh contact: is the back of your thigh touching the table?
- Knee angle: is your knee bent at roughly 80° or straighter?
- Thigh rotation: does the thigh roll outward?
Interpreting results:
- If your thigh contacts the surface and the knee is bent at around 80°, hip mobility is good.
- If your thigh doesn’t touch or knee is too straight, hip flexor tightness is present.
- If your thigh rolls outwards from your midline, that indicates tightness in the TFL muscle of the thigh.
Three best hip flexor stretches:
- Kneeling lunge stretch:
- Hips above the knee, tuck tailbone, engage glutes, press hips forward, reach arm up with a slight side bend.
- Seated hip lift stretch:
- Sit with feet hip-width apart, hands behind shoulders, lift hips, step one foot back, tuck tailbone, point knee away.
- Sofa stretch:
- Kneel with one shin against a couch/wall, other foot forward in lunge, tuck tailbone, press hips forward, lift torso.
It’s recommended to how each stretch for 30 seconds on each side.
For more on all of the above, and 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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Natto, Taurine + Black Pepper, And Other Game-Changers
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.
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
❝Loved the info on nuts; of course I always eat pecans, which didn’t make the list of healthy nuts!❞
Dear subscriber, pardon the paraphrase of your comment—somehow it got deleted and now exists only in this writer’s memory. However, to address it:
Pecans are great too! We can’t include everything in every article (indeed, we got another feedback the same day saying the article was too long), but we love when you come to us with stuff for us to look at and write about (seriously, writer here: the more you ask, the easier it makes my job), so let’s talk pecans for a moment:
Pecans would have been number six on our list if we’d have written more!
Like many nuts, they’ve an abundance of healthy fats, fiber, vitamins, and minerals.
They’re particularly good for zinc, which is vital for immune function, healing (including normal recovery after normal exercise), and DNA synthesis (so: anti-aging).
Pecans are also great for reducing LDL (“bad” cholesterol) and triglycerides (which are also bad for heart health); check it out:
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This Book May Save Your Life – by Dr. Karan Rajan
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The title is a bold sell, but the book does include a lot of information about what can go wrong in your body, and how those things can be avoided.
What it’s not: a reiteration of Dr. Michael Greger’s “How Not To Die“. It’s not dense medical information, and it doesn’t cite papers at a rate of ten per page.
What it is: an easy-reading tour guide of the human body and its many quirks and foibles, and how we can leverage those to our benefit. On which note…
Hopefully, your insides will never see the light of day, but this author is a general surgeon and as such, is an experienced and well-qualified tour guide. Here, we learn about everything from the long and interesting journey through our gut, to the unique anatomical features and liabilities of the brain. From the bizarre oddities of the genitals, to things most people don’t know about the process of death.
The style of the book is very casual, with lots of short sections (almost mini chapters-within-chapters, really) making for very light reading—and certainly enjoyable reading too, unless you are inclined to squeamishness.
Bottom line: in honesty, the book is more informative than it is instructional, though it does contain the promised health tips too. With that in mind, it’s a very enjoyable and educational read, and we do recommend it.
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How often should you wash your sheets and towels?
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Everyone seems to have a different opinion when it comes to how often towels and bed sheets should be washed. While many people might wonder whether days or weeks is best, in one survey from the United Kingdom, almost half of single men reported not washing their sheets for up to four months at a time.
It’s fairly clear that four months is too long to leave it, but what is the ideal frequency?
Bed linen and towels are quite different and so should be washed at different intervals. While every week or two will generally suffice for sheets, towels are best washed every few days.
Anyway, who doesn’t love the feeling of a fresh set of sheets or the smell of a newly laundered towel?
Why you should wash towels more often
When you dry yourself, you deposit thousands of skin cells and millions of microbes onto the towel. And because you use your towel to dry yourself after a shower or bath, your towel is regularly damp.
You also deposit a hefty amount of dead skin, microbes, sweat and oils onto your sheets every night. But unless you’re a prolific night sweater, your bedding doesn’t get wet after a night’s sleep.
Towels are also made of a thicker material than sheets and therefore tend to stay damp for longer.
So what is it about the dampness that causes a problem? Wet towels are a breeding ground for bacteria and moulds. Moulds especially love damp environments. Although mould won’t necessarily be visible (you would need significant growth to be able to see it) this can lead to an unpleasant smell.
As well as odours, exposure to these microbes in your towels and sheets can cause asthma, allergic skin irritations, or other skin infections.
People don’t always agree on how often to change the sheets.
http://rawpixel.com/ShutterstockSo what’s the ideal frequency?
For bedding, it really depends on factors such as whether you have a bath or shower just before going to bed, or if you fall into bed after a long, sweaty day and have your shower in the morning. You will need to wash your sheets more regularly in the latter case. As a rule of thumb, once a week or every two weeks should be fine.
Towels should ideally be washed more regularly – perhaps every few days – while your facecloth should be cleaned after every use. Because it gets completely wet, it will be wet for a longer time, and retain more skin cells and microbes.
Wash your towels at a high temperature (for example, 65°C) as that will kill many microbes. If you are conscious of saving energy, you can use a lower temperature and add a cup of vinegar to the wash. The vinegar will kill microbes and prevent bad smells from developing.
Clean your washing machine regularly and dry the fold in the rubber after every wash, as this is another place microbes like to grow.
Smelly towels
What if you regularly wash your towels, but they still smell bad? One of the reasons for this pong could be that you’ve left them in the washing machine too long after the wash. Especially if it was a warm wash cycle, the time they’re warm and damp will allow microbes to happily grow. Under lab conditions the number of these bacteria can double every 30 minutes.
It’s important to hang your towel out to dry after use and not to leave towels in the washing machine after the cycle has finished. If possible, hang your towels and bedding out in the sun. That will dry them quickly and thoroughly and will foster that lovely fresh, clean cotton smell. Using a dryer is a good alternative if the weather is bad, but outdoors in the sun is always better if possible.
Also, even if your towel is going to be washed, don’t throw a wet towel into the laundry basket, as the damp, dirty towel will be an ideal place for microbes to breed. By the time you get to doing your washing, the towel and the other laundry around it may have acquired a bad smell. And it can be difficult to get your towels smelling fresh again.
Towels should be washed more often than sheets.
New Africa/ShutterstockWhat about ‘self-cleaning’ sheets and towels?
Some companies sell “quick-dry” towels or “self-cleaning” towels and bedding. Quick-dry towels are made from synthetic materials that are weaved in a way to allow them to dry quickly. This would help prevent the growth of microbes and the bad smells that develop when towels are damp for long periods of time.
But the notion of self-cleaning products is more complicated. Most of these products contain nanosilver or copper, antibacterial metals that kill micro-organisms. The antibacterial compounds will stop the growth of bacteria and can be useful to limit smells and reduce the frequency with which you need to clean your sheets and towels.
However, they’re not going to remove dirt like oils, skin flakes and sweat. So as much as I would love the idea of sheets and towels that clean themselves, that’s not exactly what happens.
Also, excessive use of antimicrobials such as nanosilver can lead to microbes becoming resistant to them.
Rietie Venter, Associate professor, Clinical and Health Sciences, University of South Australia
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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