Future-Proof Your Brain
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This is Kimberly Wilson. She’s a psychologist, not a doctor, and/but her speciality is neurophysiology and brain health.
Here’s what she wants us to know…
Avoid this very common killer
As you’re probably aware, the #1 killer in the US is heart disease, followed by COVID, which effectively pushed everything down a place. Thereafter, we see cancer, followed by accidental injuries, stroke, and dementia (including Alzheimer’s).
Over in the UK, where Wilson is from, dementia (including Alzheimer’s disease) is the #1 killer, followed by heart disease and then respiratory diseases (including COVID), and then stroke, then cancer.
As ever, what’s good for the heart is good for the brain, so many of the same interventions will help avoid both. With regard to some of the other differences in order, the reasons are mostly due to differences in the two countries’ healthcare systems and firearms laws.
It’s worth noting, though, that the leading cause of death in young people (aged 15–19) is suicide in the UK; in the US it’s nominally accidental injuries first (e.g. accidental shootings) with intentional suicide in the second spot.
In other words… Young or old, mental health is a serious health category that kills literally the most people in the UK, and also makes the top spots in the US.
Avoid the early killer
Given the demographics of most of our readership, chances are you’ve already lived past your teens and twenties. That’s not to say that suicide is no longer a risk, though, and it’s also worth noting that while mental health issues are invisible, they’re still physical illnesses (the brain is also an organ, after all!), so this isn’t something where you can simply “decide not to” and that’s you set, safe for life. So, please do continue to take good care in that regard.
We wrote about this previously, here:
How To Stay Alive (When You Really Don’t Want To)
Avoid the later killer
Wilson talks about how a recent survey found that…
- while nearly half of adults say dementia is the disease they fear most,
- only a third of those thought you could do anything to avoid it, and
- just 1% could name the 7 known risk factors.
Quick test: can you name the 7 known risk factors?
Please take a moment to actually try (this kind of mental stimulation is good in any case), and count them out on your fingers (or write them down), and then…
When you’re ready: click here to see the answer!
How many did you get? If you got them all, well done. If not, then well, now you know, so that’s good.
So, with those 7 things in mind, the first obvious advice is to take care of those things.
Taking an evidence-based medicine approach, Wilson recommends some specific interventions that will each improve one or more of those things, directly or indirectly:
Eating right
Wilson is a big fan of “nutritional psychiatry” and feeding one’s brain properly. We wrote about this, here:
The 6 Pillars Of Nutritional Psychiatry
As well as agreeing with the obvious “eat plenty of fiber, different-colored plants, and plenty of greens and beans”, Wilson specifically also champions getting enough of vitamins B9, B12, and D, as well as getting a healthy dose of omega-3 fatty acids.
She also recommends intermittent fasting, if that’s a reasonable option for you—but advocates for not worrying about it, if it’s not easy for you. For example, if you are diabetic, or have (or have a history with) some kind of eating disorder(s), then it’s probably not usefully practicable. But for most people, it can reduce systemic inflammation, which means also reducing neuroinflammation.
Managing stress right
Here she advocates for three main things:
- Mindful meditation (see: Evidence-Based, No-Frills Mindfulness)
- Psychological resilience (see: Building Psychological Resilience)
- Mindful social media use (see: Making Social Media Work For Your Mental Health)
Managing money right
Not often we talk about this in a health science publication as opposed to a financial planning publication, but the fact is that a lot of mental distress, which goes on to have a huge impact on the brain, is rooted in financial stresses.
And, of course, it’s good to be able to draw on financial resources to directly fund one’s good health, but that is the secondary consideration here—the financial stress is the biggest issue, and you can’t CBT your way out of debt, for example.
Therapists often face this, and what has been referred to informally by professionals in the field as “Shit Life Syndrome”—and there’s only so much that therapy can do about that.
We’re not a financial publication, but one recommendation we’ll drop is that if you don’t currently have budgeting software that you use, this writer personally uses and swears by YNAB (You Need A Budget), so maybe check that out if you don’t already have everything covered in that regard. It’s not free, but there is a 34-day free trial.
Therapy can be very worthwhile nonetheless
Wilson notes that therapy is like non-invasive brain surgery (because of neuroplasticity, it’s literally changing physical things in your brain).
It’s not a magic bullet and it’s not the right choice for everyone, but it’s worth considering, and even self-therapy can yield benefits for many:
The Gym For Your Mental Health: Getting The Most Out Of Therapy
Sleeping right
Sleep is not only critical for health in general and brain health in particular, it’s also most of when our glymphatic system does clean-up in the brain (essential for avoiding Alzheimer’s & Parkinson’s, amongst other diseases):
How To Clean Your Brain (Glymphatic Health Primer)
Want to know more from Kimberley Wilson?
We reviewed a book of hers recently, here:
Unprocessed: What your Diet Is Doing To Your Brain – by Kimberley Wilson
However, much of what we shared today was sourced from another book of hers that we haven’t reviewed yet but probably will do one of these days:
Enjoy!
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Get Ahead (Healthwise) This Winter
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Tomorrow will be December the first.
A month later, it’ll be January the first, and very many people will be quite briefly making a concerted effort to get healthier.
So, let’s get a head start, so that we can hit January already in great health!
December’s traps to plan around
In North America at least, common calendar-specific health problems associated with December are:
- Infectious diseases (seasonal flu and similar unpleasantries)
- Inactivity (seasonal weather)
- Slower metabolism (seasonal eating and drinking, plus seasonal weather)
- Alcohol (seasonal drinking)
- Stress (seasonal burdens)
So, let’s plan around those!
But first, sleep
Nothing will go well if we are not well-rested. There are six dimensions of sleep, but the ones that matter the most are regularity and duration, so plan for those and the rest should fall into place:
Calculate (And Enjoy) The Perfect Night’s Sleep
Skip those viruses
If you’re doing the rest of what we advise, your immune system will probably be in good shape, unless you have some chronic disease that means you are immunocompromised, in which case the next things will be extra important:
- Avoid enclosed spaces with lots of people where possible
- Ventilation is your friend (as is air filtration)
- Masks don’t protect against everything, but they do protect against a lot
- Wash your hands more often than you think is necessary (invest in luxurious soap, to make it a more pleasant experience, then you’re more likely to do it often!)
- Breathe through your nose, not your mouth (nostril hairs attract floating particles by static charge, and then dispose of intruders via mucus)
See also: The Pathogens That Came In From The Cold
Plan your movement
But, realistically. Let’s face it, unless you already have such a habit, you’re not going to be hitting the gym at 6am every day, or be out pounding pavement.
The weather often makes us more reluctant to exercise, so if that sound like you, plan something low-key but sustainable that will set you in good stead ready for the new year. Here are two approaches; you can do both if you like, but picking at least one is a good idea:
- Commit to just a few minutes of high-intensity exercise each day. If you don’t have equipment, then bodyweight squats are a great option.
- Commit to gentle exercises each day—pick some stretches and mobility drills you like, and focus on getting supple for the new year.
See also: How To Keep On Keeping On, When Motivation Isn’t High ← this isn’t a motivational pep talk; it’s tricks and hacks to make life easier while still getting good results!
Fuel in the tank
It’s fine if you eat more in winter. We even evolved to put on a few pounds around this time of year. However, to avoid sabotaging your health, it’s good to do things mindfully. Pick one main dietary consideration to focus on, for example “anti-inflammatory” or “antidiabetic” or “nutrient-dense”.
Those focused ways of eating will, by the way, have a huge amount of overlap. But by picking one specific factor to focus on, it simplifies food choices at a time of year when supermarkets are deliberately overwhelming us with choices.
If you’re having a hard time picking just one thing to focus on, then we recommend:
What Matters Most For Your Heart?
About that festive spirit…
Alcohol consumption goes up around this time of year, partly for social reasons, partly for “it’s cold and the marketing says alcohol warms us up” reasons, and partly for stress-related reasons. We’re sure you know it sabotages your health, so choose your path:
How To Reduce Or Quit Alcohol, or
How To Reduce The Harm Of Festive Drinking (Without Abstaining)
Relax and unwind, often
There’s a lot going on in December: consumerism is running high, everyone wants to sell you something, finances can be stressful, social/familial obligations can be challenging sometimes too, and Seasonal Affective Disorder is at its worst.
Make sure to regularly take some time out to take care of yourself, and make sure you’re doing the things you want to do or really have to do, not just things you feel you’re expected to do.
Different people can have very different challenges at this time of year, so it’s hard to give a “one size fits all” solution here (and we don’t have the room to cover every possible thing today). You know your life best, so think what you’re most likely to want/need for you this month, and make sure you get it.
At the very least, most of us will benefit from taking a few minutes to consciously relax, and often, so something that is almost always a good idea for that is:
No-Frills, Evidence Based Mindfulness
…but if you’re feeling in a more playful mood, consider:
Meditation Games You’ll Actually Enjoy!
Take care!
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How Your Sleep Position Changes Dementia Risk
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This is not just about sleep duration or even about sleep quality… It really is about which way your body is positioned.
Goodnight, glymphatic system
The association between sleeping position and dementia risk is about glymphatic drainage, which is largely powered by gravity (and thus dependent on which way around your head and neck are oriented), and very important for clearing toxins out of the brain—including beta-amyloid proteins.
This becomes particularly important when the glymphatic system becomes less efficient in midlife, often 15–20 years before cognitive decline symptoms appear.
The video’s thumbnail headline, “SCIENTISTS REVEAL: THE WAY YOUR SLEEP CAN CAUSE DEMENTIA” is overstated and inaccurate, but our adjusted headline “how your sleep position changes dementia risk” is actually representative of the paper on which this video was based; we’ll quote from the paper itself here:
❝This paper concludes that 1. glymphatic clearance plays a major role in Alzheimer’s pathology; 2. the vast majority of waste clearance occurs during sleep; 3. dementias are associated with sleep disruption, alongside an age-related decline in AQP4 polarization; and 4. lifestyle choices such as sleep position, alcohol intake, exercise, omega-3 consumption, intermittent fasting and chronic stress all modulate* glymphatic clearance. Lifestyle choices could therefore alter Alzheimer’s disease risk through improved glymphatic clearance, and could be used as a preventative lifestyle intervention for both healthy brain ageing and Alzheimer’s disease.❞
…and specifically, they found:
❝Glymphatic transport is most efficient in the right lateral sleeping position, with more CSF clearance occurring compared to supine and prone. The average person changes sleeping position 11 times per night, but there was no difference in the number of position changes between neurodegenerative and control groups, making the percentage of time spent in supine position the risk factor, not the number of position changes❞
Read the paper in full here: The Sleeping Brain: Harnessing the Power of the Glymphatic System through Lifestyle Choices
*saying “modulate” here is not as useful as it could be, because they modulate it differently: side-sleeping improves clearance; back sleeping decreases it; front-sleeping isn’t great either. Alcohol intake reduces clearance, exercise (especially cardiovascular exercise) improves it; omega-3 consumption improves it up a degree and does depend on omega-3/6 ratios, intermittent fasting improves it, and chronic stress worsens it.
And for a more pop-science presentation, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
How To Clean Your Brain (Glymphatic Health Primer)
Take care!
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Who Will Take Care of Me When I’m Old? – by Joy Loverde
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Regular readers of 10almonds will know we’ve written before about how isolation kills (in numerous ways), and this book tackles that in much greater length and depth than we ever have room for here.
Specifically, she talks about preparing for medical and related (financial, living will in case of dementia, housing, etc) considerations down the line, with checklists and worksheets and such to make it easy, and help you make sure it actually gets done.
She also talks about creating a support network, from scratch if necessary (“foraging a family”), so that even if you will now be prepared to handle things alone, you’ll become a lot less likely to need to do so.
Unlike many books of this genre, she also covers managing your mortality; that “just shoot me” is not a plan, and what lessons can be learned from the dying to make our own last years the best they can be.
The style is upbeat and positive in outlook; less “prepare for doom” and more “get ready to do things right”, and it’s worth mentioning that the format is particularly helpful, outlining objectives towards the beginning of each chapter, and additional resources at the end of each chapter.
Over on Amazon, most of the reviews that contain any criticism are some manner of “I’m in my 70s and wish I had read this sooner”. Still, better late than never.
Bottom line: if you do not have an overabundance of support network around you, then this is an important book to read and to put into action.
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A Guide to Rational Living – by Drs. Albert Ellis and Robert Harper
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We’ve talked before about the evidence-based benefits of Cognitive Behavioral Therapy (CBT), and this book is indeed about CBT. In fact, it’s in many ways the book that popularized Third Wave CBT—in other words, CBT in its modern form.
Dr. Ellis’s specific branch of CBT is Rational Emotive Behavior Therapy, (REBT). What this means is using rationality to rewire emotions so that we’re not constantly sabotaging ourselves and our lives.
This is very much a “for the masses” book and doesn’t assume any prior knowledge of psychology, therapy, or psychotherapy. Or, for that matter, philosophy, since Stoic philosopher Epictetus had a lot to say that influenced Dr. Ellis’s work, too!
This book has also been described as “a self-help book for people who don’t like self-help books”… and certainly that Stoicism we mentioned does give the work a very different feel than a lot of books on the market.
The authors kick off with an initial chapter “How far can you go with self-therapy?”, and the answer is: quite far, even if it’s not a panacea. Everything has its limitations, and this book is no exception. On the other hand…
What the book does offer is a whole stack of tools, resources, and “How to…” chapters. In fact, there are so many “How to…” items in this book that, while it can be read cover-to-cover, it can also be used simply as a dip-in reference guide to refer to in times of need.
Bottom line: this book is highly recommendable to anyone and everyone, and if you don’t have it on your bookshelf, you should.
Click here to check out “A Guide To Rational Living” on Amazon today!
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Keep Your Wits About You – by Dr. Vonetta Dotson
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Dr. Dotson sets out to provide the reader with the tools to maintain good brain health at any age, though she does assume the reader to be in midlife or older.
She talks us through the most important kinds of physical activity, mental activity, and social activity, as well as a good grounding in brain-healthy nutrition, and how to beat the often catch-22 situation of poor sleep.
If you are the sort of person who likes refreshers on what you have just read, you’ll enjoy that the final two chapters repeat the information from chapters 2–6. If not, then well, if you skip the final 2 chapters the book will be 25% shorter without loss of content.
The style is enthusiastic; when it comes to her passion for the brain, Dr. Dotson both tells and shows, in abundance. While some authors may take care to break down the information in a way that can be understood from skimming alone, Dr. Dotson assumes that the reader’s interest will match hers, and thus will not mind a lot of lengthy prose with in-line citations. So, provided that’s the way you like to read, it’ll suit you too.
Bottom line: if you are looking for a book on maintaining optimal brain health that covers the basics without adding advice that is out of the norm, then this is a fine option for that!
Click here to check out Keep Your Wits About You, and keep your wits about you!
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What Does “Balance Your Hormones” Even Mean?
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Hormonal Health: Is It Really A Balancing Act?
Have you ever wondered what “balancing your hormones” actually means?
The popular view is that men’s hormones look like this:
Testosterone (less) ⟷ Testosterone (more)
…And that women’s hormones look more like this:
♀︎ Estrogen ↭ Progesterone ⤵︎
⇣⤷ FSH ⤦ ↴ ☾ ⤹⤷ Luteinizing Hormone ⤦
DHEA ↪︎ Gonadotrophin ⤾
↪︎ Testosterone? ⥅⛢
Clear as mud, right?
But, don’t worry, Supplements McHerbal Inc will sell you something guaranteed to balance your hormones!
How can a supplement (or dietary adjustment) “balance” all that hotly dynamic chaos, and make everything “balanced”?
The truth is, “balanced” in such a nebulous term, and this is why you will not hear endocrinologists using it. It’s used in advertising to mean “in good order”, and “not causing problems”, and “healthy”.
In reality, our hormone levels depend on everything from our diet to our age to our anatomy to our mood to the time of the day to the phase of the moon.
Not that the moon has an influence on our physiology at all—that’s a myth—but you know, 28 day cycle and all. And, yes, half the hormones affect the levels of the others, either directly or indirectly.
Trying to “balance” them would be quite a game of whack-a-mole, and not something that a “cure-all” single “hormone-balancing” supplement could do.
So why aren’t we running this piece on Friday, for our “mythbusting” section? Well, we could have, but the more useful information is yet to come and will take up more of today’s newsletter than the myth-busting!
What, then, can we do to untangle the confusion of these hormones?
Well first, let’s understand what they do, in the most simple terms possible:
- Estrogen—the most general feminizing hormone from puberty onwards, busiest in the beginning of the menstrual cycle, and starts getting things ready for ovulation.
- Progesterone—secondary feminizing hormone, fluffs the pillows for the oncoming fertilized egg to be implanted, increases sex drive, and adjusts metabolism accordingly. Busiest in the second half of the menstrual cycle.
- Testosterone—is also present, contributes to sex drive, is often higher in individuals with PCOS. If menopause is untreated, testosterone will also rise, because there will be less estrogen
- (testosterone and estrogen “antagonize” each other, which is the colorfully scientific way of saying they work against each other)
- DHEA—Dehydroepiandrosterone, supports production of testosterone (and estrogen!). Sounds self-balancing, but in practice, too much DHEA can thus cause elevated testosterone levels, and thus hirsutism.
- Gonadotrophin—or more specifically human chorionic gonadotrophin, HcG, is “the pregnancy hormone“, present only during pregnancy, and has specific duties relating to such. This is what’s detected in (most) pregnancy test kits.
- FSH—follicle stimulating hormone, is critical to ovulation, and is thus essential to female fertility. On the other hand, when the ovaries stop working, FSH levels will rise in a vain attempt to encourage the ovulation that isn’t going to happen anymore.
- Luteinizing hormone—says “go” to the new egg and sends it on its merry way to go get fertilized. This is what’s detected by ovulation prediction kits.
Sooooooo…
What, for most women, most often is meant by a “hormonal imbalance” is:
- Low levels of E and/or P
- High levels of DHEA and/or T
- Low or High levels of FSH
In the case of low levels of E and/or P, the most reliable way to increase these is, drumroll please… To take E and/or P. That’s it, that’s the magic bullet.
Bonus Tip: take your E in the morning (this is when your body will normally make more and use more) take your P in the evening (it won’t make you sleepy, but it will improve your sleep quality when you do sleep)
In the case of high levels of DHEA and/or T, then that’s a bit more complex:
- Taking E will antagonize (counteract) the unwanted T.
- Taking T-blockers (such as spironolactone or bicalutamide) will do what it says on the tin, and block T from doing the jobs it’s trying to do, but the side-effects are considered sufficient to not prescribe them to most people.
- Taking spearmint or saw palmetto will lower testosterone’s effects
- Scientists aren’t sure how or why spearmint works for this
- Saw palmetto blocks testosterone’s conversion into a more potent form, DHT, and so “detoothes” it a bit. It works similarly to drugs such as finasteride, often prescribed for androgenic alopecia, called “male pattern baldness”, but it affects plenty of women too.
In the case of low levels of FSH, eating leafy greens will help.
In the case of high levels of FSH, see a doctor. HRT (Hormone Replacement Therapy) may help. If you’re not of menopausal age, it could be a sign something else is amiss, so it could be worth getting that checked out too.
What can I eat to boost my estrogen levels naturally?
A common question. The simple answer is:
- Flaxseeds and soy contain plant estrogens that the body can’t actually use as such (too incompatible). They’ve lots of high-quality nutrients though, and the polyphenols and isoflavones can help with some of the same jobs when it comes to sexual health.
- Fruit, especially peaches, apricots, blueberries, and strawberries, contain a lot of lignans and also won’t increase your E levels as such, but will support the same functions and reduce your breast cancer risk.
- Nuts, especially almonds (yay!), cashews, and pistachios, contain plant estrogens that again can’t be used as bioidentical estrogen (like you’d get from your ovaries or the pharmacy) but do support heart health.
- Leafy greens and cruciferous vegetables support a lot of bodily functions including good hormonal health generally, in ways that are beyond the scope of this article, but in short: do eat your greens!
Note: because none of these plant-estrogens or otherwise estrogenic nutrients can actually do the job of estradiol (the main form of estrogen in your body), this is why they’re still perfectly healthy for men to eat too, and—contrary to popular “soy boy” social myths—won’t have any feminizing effects whatsoever.
On the contrary, most of the same foods support good testosterone-related health in men.
The bottom line:
- Our hormones are very special, and cannot be replaced with any amount of herbs or foods.
- We can support our body’s natural hormonal functions with good diet, though.
- Our hormones naturally fluctuate, and are broadly self-correcting.
- If something gets seriously out of whack, you need an endocrinologist, not a homeopath or even a dietician.
In case you missed it…
We gave a more general overview of supporting hormonal health (including some hormones that aren’t sex hormones but are really important too), back in February.
Check it out here: Healthy Hormones And How To Hack Them
Want to read more?
Anthea Levi, RD, takes much the same view:
❝For some ‘hormone-balancing’ products, the greatest risk might simply be lost dollars. Others could come at a higher cost.❞
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