‘Tis To Season To Be SAD-Savvy
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Seasonal Affective Disorder & SAD Lamps
For those of us in the Northern Hemisphere, it’s that time of the year; especially after the clocks recently went back and the nights themselves are getting longer. So, what to do in the season of 3pm darkness?
First: the problem
The problem is twofold:
- Our circadian rhythm gets confused
- We don’t make enough serotonin
The latter is because serotonin production is largely regulated by sunlight.
People tend to focus on item 2, but item 1 is important too—both as problem, and as means of remedy.
Circadian rhythm is about more than just light
We did a main feature on this a little while back, talking about:
- What light/dark does for us, and how it’s important, but not completely necessary
- How our body knows what time it is even in perpetual darkness
- The many peaks and troughs of many physiological functions over the course of a day/night
- What that means for us in terms of such things as diet and exercise
- Practical take-aways from the above
Read: The Circadian Rhythm: Far More Than Most People Know
With that in mind, the same methodology can be applied as part of treating Seasonal Affective Disorder.
Serotonin is also about more than just light
Our brain is a) an unbelievably powerful organ, and the greatest of any animal on the planet b) a wobbly wet mass that gets easily confused.
In the case of serotonin, we can have problems:
- knowing when to synthesize it or not
- synthesizing it
- using it
- knowing when to scrub it or not
- scrubbing it
- etc
Selective Serotonin Re-uptake Inhibitors (SSRIs) are a class of antidepressants that, as the name suggests, inhibit the re-uptake (scrubbing) of serotonin. So, they won’t add more serotonin to your brain, but they’ll cause your brain to get more mileage out of the serotonin that’s there, using it for longer.
So, whether or not they help will depend on you and your brain:
Read: Antidepressants: Personalization Is Key!
How useful are artificial sunlight lamps?
Artificial sunlight lamps (also called SAD lamps), or blue light lamps, are used in an effort to “replace” daylight.
Does it work? According to the science, generally yes, though everyone would like more and better studies:
- The Efficacy of Light Therapy in the Treatment of Seasonal Affective Disorder: A Meta-Analysis of Randomized Controlled Trials
- Blue-Light Therapy for Seasonal and Non-Seasonal Depression: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Interestingly, it does still work in cases of visual impairment and blindness:
How much artificial sunlight is needed?
According to Wirz-Justice and Terman (2022), the best parameters are:
- 10,000 lux
- full spectrum (white light)
- 30–60 minutes exposure
- in the morning
Source: Light Therapy: Why, What, for Whom, How, and When (And a Postscript about Darkness)
That one’s a fascinating read, by the way, if you have time.
Can you recommend one?
For your convenience, here’s an example product on Amazon that meets the above specifications, and is also very similar to the one this writer has
Enjoy!
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Intermittent Fasting for Women Over 50 – by Emma Sanchez
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Intermittent fasting is promoted as a very healthful (evidence-based!) way to trim the fat and slow aging, along with other health benefits. But, physiologically and especially metabolically, the average woman is quite different from the average man! And most resources are aimed at men. So, what’s the difference?
Emma Sanchez gives an overview not just of intermittent fasting, but also, how it goes with specifically female physiology. From hormonal cycles, to different body composition and fat distribution, to how we simply retain energy better—which can be a mixed blessing!
We’re given advice about how to optimize all those things and more.
She also covers issues that many writers on the topic of intermittent fasting will tend to shy away from, such as:
- mood swings
- risk of eating disorder
- impact on cognitive thinking
…and she does this evenly and fairly, making the case for intermittent fasting while acknowledging potential pitfalls that need to be recognized in order to be managed.
Lastly, the “over 50” thing. This is covered in detail quite late in the book, but there are a lot of changes that occur (beyond the obvious!), and once again, Sanchez has tips and tricks for holding back the clock where possible, and working with it rather than against it, when appropriate.
All in all, a great book for any woman over 50, or really also for women under 50, especially if that particular milestone is on the horizon.
Get your copy of Intermittent Fasting for Women over 50 from Amazon today!
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Milk Thistle For The Brain, Bones, & More
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“Thistle Do Nicely”
Milk thistle is a popular supplement; it comes from the milk thistle plant (Silybum marianum), commonly just called thistles. There are other kinds of thistle too, but these are one of the most common.
So, what does it do?
Liver health
Milk thistle enjoys popular use to support liver health; the liver is a remarkably self-regenerative organ if given the chance, but sometimes it can use a helping hand.
See for example: How To Undo Liver Damage
As for milk thistle’s beneficence, it is very well established:
- Milk thistle in liver diseases: past, present, future
- Hepatoprotective effect of silymarin
- Silybum Marianum and Chronic Liver Disease: A Marriage of Many Years
Brain health
For this one the science is less well-established, as studies so far have been on non-human animals, or have been in vitro studies.
Nevertheless, the results so far are promising, and the mechanism of action seems to be a combination of reducing oxidative stress and neuroinflammation, as well as suppressing amyloid β-protein (Aβ) fibril formation, in other words, reducing amyloid plaques.
General overview: A Mini Review on the Chemistry and Neuroprotective Effects of Silymarin
All about the plaques, but these are non-human animal studies:
- Mouse model: Silymarin attenuated the amyloid β plaque burden and improved behavioral abnormalities in an Alzheimer’s disease mouse model
- Rat model: Silymarin effect on amyloid-β plaque accumulation and gene expression of APP in an Alzheimer’s disease rat model
Against diabetes
Milk thistle improves insulin sensitivity, and reduces fasting blood sugar levels and HbA1c levels. The research so far is mostly in type 2 diabetes, however (at least, so far as we could find). For example:
Studies we could find for T1D were very far from translatable to human usefulness, for example, “we poisoned these rats with streptozotocin then gave them megadoses of silymarin (10–15 times the dose usually recommended for humans) and found very small benefits to the lenses of their eyes” (source).
Against osteoporosis
In this case, milk thistle’s estrogenic effects may be of merit to those at risk of menopause-induced osteoporosis:
If you’d like a quick primer about such things as what antiosteoclastic activity is, here’s a quick recap:
Which Osteoporosis Medication, If Any, Is Right For You?
Is it safe?
It is “Generally Recognized As Safe”, and even when taken at high doses for long periods, side effects are very rare.
Contraindications include if you’re pregnant, nursing, or allergic.
Potential reasons for caution (but not necessarily contraindication) include if you’re diabetic (its blood-sugar lowering effects will decrease the risk of hyperglycemia while increasing the risk of hypoglycemia), or have a condition that could be exacerbated by its estrogenic effects—including if you are on HRT, because it’s an estrogen receptor agonist in some ways (for example those bone benefits we mentioned before) but an estrogen antagonist in others (for example, in the uterus, if you have one, or in nearby flat muscles, if you don’t).
As ever, speak with your doctor/pharmacist to be sure.
Want to try it?
We don’t sell it, but here for your convenience is an example product on Amazon
Enjoy!
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Next-Level Metabolism – by Dr. Jade Teta
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.
This book starts with the preface that “this is not a diet book”, but all the diet books nowadays say that, even when the title is “The Such-And-Such Diet”. So, is this one a diet book?
No, it isn’t. It’s rather an informational explanation of how metabolism works, and the very many things that can affect it, ranging from genes and epigenetics to diet and exercise to stress and sleep, and more.
Where this book most excels is in the personalization aspect; it describes how to assess your own system inputs and outputs (which are a lot more things than just calories in, calories out), and read your own body’s cues in terms of what’s going on with you metabolically.
Because the truth is, we’re all a bit different (aside from, perhaps, identical twins etc living identical lifestyles in all respects, down to having the same meals and the same schedule), and while there definitely are some universal truths of metabolism (e.g. whole fruit is always going to be better than high-fructose corn syrup), when it comes to the finer details on the other hand, what goes for one person genuinely may not go for another, and there can be a multitude of reasons why. This book helps identify those, and go with what actually works for you.
The style is half pop-science, half pep-talk. The book could have been a lot shorter without all the pep talk, but for those who like that sort of thing, that is the sort of thing they like.
Bottom line: if you’d like to understand your metabolism (as opposed to some clinically standardized average of metabolism), then this book can help you do that.
Click here to check out Next-Level Metabolism, and level-up your understanding of it!
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The Painkilling Power Of Opioids, Without The Harm?
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When it comes to painkilling medications, they can generally be categorized into two kinds:
- non-opioids (e.g. ibuprofen, paracetamol/acetaminophen, aspirin)
- ones that actually work for something more serious than a headache
That’s an oversimplification, but broadly speaking, when there is serious painkilling to be done, that’s when doctors consider it’s time to break out the opioids.
Nor are all opioids created equal—there’s a noteworthy difference between codeine and morphine, for instance—but the problems of opioids are typically the same (tolerance, addiction, and eventual likelihood of overdose when one tries to take enough to make it work after developing a tolerance), and it becomes simply a matter of degree.
See also: I’ve been given opioids after surgery to take at home. What do I need to know?
So, what’s the new development?
A team of researchers have found that the body can effectively produce its own targetted painkilling peptides, similar in function to benzodiazepines (an opioid drug), but—and which is a big difference—confined to the peripheral nervous system (PNS), meaning that it doesn’t enter the brain.
- The peptides killing the pain before it can reach the brain is obviously good because that means the pain is simply not experienced
- The peptides not having any effect on the brain, however, means that the mechanism of addiction of opioids simply does not apply here
- The peptides not having any effect on the brain also means that the CNS can’t be “put to sleep” by these peptides in the same way it can if a high dose of opioids is taken (this is what typically causes death in opioid overdoses; the heart simply beats too slowly to maintain life)
The hope, therefore, is to now create medications that target the spinal ganglia that produce these peptides, to “switch them on” at will.
Obviously, this won’t happen overnight; there will need to be first a lot of research to find a drug that does that (likely this will involve a lot of trial and error and so many mice/rats), and then multiple rounds of testing to ascertain that the drug is safe and effective for humans, before it can then be rolled out commercially.
But, this is still a big breakthrough; there arguably hasn’t been a breakthrough this big in pain research since various opioid-related breakthroughs in the 70s and 80s.
You can see a pop-science article about it here:
And you can see the previous research (from earlier this year) that this is now building from, about the glial cells in the spinal ganglia, here:
Peripheral gating of mechanosensation by glial diazepam binding inhibitor
But wait, there’s more!
Remember what we said about affecting the PNS without affecting the CNS, to kill the pain without killing the brain?
More researchers are already approaching the same idea to deal with the same problem, but from the angle of gene therapy, and have already had some very promising results with mice:
Structure-guided design of a peripherally restricted chemogenetic system
…which you can read about in pop-science terms (with diagrams!) here:
New gene therapy could alleviate chronic pain, researchers find
While you’re waiting…
In the meantime, approaches that are already available include:
- The 7 Approaches To Pain Management
- Managing Chronic Pain (Realistically!)
- Science-Based Alternative Pain Relief ← when painkillers aren’t helping, these things might!
Take care!
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Try This At Home: ABI Test For Clogged Arteries
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Arterial plaque is a big deal, and statistically it’s more of a risk as we get older, often coming to a head around age 72 for women and 65 for men—these are the median ages at which people who are going to get heart attacks, get them. Or get it, because sometimes one is all it takes.
The Ankle-Brachial Index Test
Dr. Brewer recommends a home test for detecting arterial plaque called the Ankle-Brachial Index (ABI), which uses a blood pressure monitor. The test involves measuring blood pressure in both the arms and ankles, then calculating the ratio of these measurements:
- A healthy ABI score is between 1.0 and 1.4; anything outside this range may indicate arterial problems.
- Low ABI scores (below 0.8) suggest plaque is likely obstructing blood flow
- High ABI scores (above 1.4) may indicate artery hardening
Peripheral Artery Disease (PAD), associated with poor ABI results (be they high or low), can cause a whole lot of problems that are definitely better tackled sooner rather than later—remember that atherosclerosis is a self-worsening thing once it gets going, because narrower walls means it’s even easier for more stuff to get stuck in there (and thus, the new stuff that got stuck also becomes part of the walls, and the problem gets worse).
If you need a blood pressure monitor, by the way, here’s an example product on Amazon.
Do note also that yes, if you have plaque obstructing blood flow and hardened arteries, your scores may cancel out and give you a “healthy” score, despite your arteries being very much not healthy. For this reason, this test can be used to raise the alarm, but not to give the “all clear”.
For more on all of the above, plus a demonstration and more in-depth explanation of the test, 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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What to Eat When – by Drs. Michael Roizen and Michael Crupain
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.
Here at 10almonds, we cover a lot of the “what to eat”, but tend to only sometimes touch on the “when”—and indeed, this is a reflection of a popular focus. But what if we were to pay a little more attention to that “when”; what would it get us?
According to Drs. Roizen and Crupain… Quite a bit!
In this work, they take into account the various factors affecting the benefit (or harm!) of what we eat when:
- in the context of our circadian rhythm
- in the context of our insulin responses
- in the context of intermittent fasting
The style throughout is very focused on practical actionable advice. For example, amongst other lifestyle-adjustment suggestions, the authors make the case for front-loading various kinds of food earlier in the day, and eating more attentively and mindfully when we do eat.
They also offer a lot of “quick tips” of the kind we love here at 10almonds! Ranging from “how about this breakfast idea” to “roasting chickpeas like this makes a great snack” to “this dessert is three healthy foods disguised as a sundae”
All in all, if you’d like a stack of small tweaks that can add up to a big difference in your overall health, this is a book for you.
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