Five Flavors & Five Benefits
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Five Flavors Of Good Health
Schisandra chinensis, henceforth Schisandra, is also called the “five flavor fruit”, for covering the culinary bases of sweet, salt, bitter, sour, and pungent.
It can be eaten as a fruit (small red berries), juiced from the fruit, or otherwise extracted into supplements (dried powder of the fruit being a common one).
It has long enjoyed usage in various traditional medicines, especially in China and Siberia.
So, what are its health claims, and how does the science stack up?
Menopause
Most of the studies are mouse studies, and we prefer studies on humans, so here’s a small (n=36) randomized clinical trial that concluded…
❝Schisandra chinensis can be a safe and effective complementary medicine for menopausal symptoms, especially for hot flushes, sweating, and heart palpitations❞
~ Dr. Joon Young Park & Dr. Kye Hyun Kim
Read more: A randomized, double-blind, placebo-controlled trial of Schisandra chinensis for menopausal symptoms
Antioxidant (and perhaps more)
Like many berries, it’s a good source of lignans offering antioxidant effects:
Antioxidant Effects of Schisandra chinensis Fruits and Their Active Constituents
Lignans usually have anticancer effects too (which is reasonably, given what is antioxidant is usually anticancer and anti-inflammatory as well, by the same mechanism) but those have not yet been studied in schisandra specifically.
Antihepatotoxicity
In other words, it’s good for your liver. At least, so animal studies tell us, because human studies haven’t been done yet for this one. The effect is largely due to its antioxidant properties, but it seems especially effective for the liver—which is not surprising, giving the liver’s regeneration mechanism.
Anyway, here’s a fascinating study that didn’t even need to use the fruit itself, just the pollen from the plant, it was that potent:
Athletics enhancer
While it’s not yet filling the shelves of sports nutrition stores, we found a small (n=45) study with healthy post-menopausal women who took either 1g of schisandra (experimental group) or 1g of starch (placebo group), measured quadriceps muscle strength and resting lactate levels over the course of a 12 week intervention period, and found:
❝Supplementation of Schisandra chinensis extract can help to improve quadriceps muscle strength as well as decrease lactate level at rest in adult women ❞
Anti-Alzheimers & Anti-Parkinsons
The studies for this are all in vitro, but that’s because it’s hard to find volunteers willing to have their brains sliced and looked at under a microscope while they’re still alive.
Nevertheless, the results are compelling, and it seems uncontroversial to say that schisandra, or specifically Schisandrin B, a compound it contains, has not only anti-inflammatory properties, but also neuroprotective properties, and specifically blocks the formation of excess amyloid-β peptides in the brain (which are critical for the formation of amyloid plaque, as found in the brains of Alzheimer’s patients):
Is it safe?
For most people, yes! Some caveats:
- As it can stimulate the uterus, it’s not recommended if you’re pregant.
- Taking more than the recommended amount can worsen symptoms of heartburn, GERD, ulcers, or other illnesses like that.
And as ever, do speak with our own doctor/pharmacist if unsure, as your circumstances may vary and we cannot cover all possibilities here.
Where can I get some?
We don’t sell it, but here for your convenience is an example product on Amazon
Enjoy!
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Reinventing Your Life – by Dr. Jeffrey Young & Dr. Janet Klosko
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This book is quite unlike any other broadly-CBT-focused books we’ve reviewed before. How so, you may wonder?
Rather than focusing on automatic negative thoughts and cognitive distortions with a small-lens focus on an immediate problem, this one zooms out rather and tackles the cause rather than the symptom.
The authors outline eleven “lifetraps” that we can get stuck in:
- Abandonment
- Mistrust & abuse
- Vulnerability
- Dependence
- Emptional deprivation
- Social exclusion
- Defectiveness
- Failure
- Subjugation
- Unrelenting standards
- Entitlement
They then borrow from other areas of psychology, to examine where these things came from, and how they can be addressed, such that we can escape from them.
The style of the book is very reader-friendly pop-psychology, with illustrative (and perhaps apocryphal, but no less useful for it if so) case studies.
The authors then go on to give step-by-step instructions for dealing with each of the 11 lifetraps, per 6 unmet needs we probably had that got us into them, and per 3 likely ways we tried to cope with this using maladaptive coping mechanisms that got us into the lifetrap(s) we ended up in.
Bottom line: if you feel there’s something in your life that’s difficult to escape from (we cannot outrun ourselves, after all, and bring our problems with us), this book could well contain the key that you need to get out of that cycle.
Click here to check out “Reinventing Your Life” and break free from any lifetrap(s) of your own!
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6 Lifestyle Factors To Measurably Reduce Biological Age
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Julie Gibson Clark competes on a global leaderboard of people actively fighting aging (including billionaire Bryan Johnson, who is famously very focused on such). She’s currently ahead of him on that leaderboard, so what’s she doing?
Top tips
We’ll not keep the six factors a mystery; they are:
- Exercise: her weekly exercise includes VO2 Max training, strength training, balance work, and low-intensity cardio. She exercises outdoors on Saturdays and takes rest days on Fridays and Sundays.
- Diet: she follows a 16-hour intermittent fasting schedule (eating between 09:00–17:00), consumes a clean omnivore diet with an emphasis on vegetables and adequate protein, and avoids junk food.
- Brain: she meditates for 20 minutes daily, prioritizes mental health, and ensures sufficient quality sleep, helped by morning sunlight exposure and time in nature.
- Hormesis: she engages in 20-minute sauna sessions followed by cold showers four times per week to support recovery and longevity.
- Supplements: she takes longevity supplements and bioidentical hormones to optimize her health and aging process.
- Testing: she regularly monitors her biological age and health markers through various tests, including DEXA scans, VO2 Max tests, lipid panels, and epigenetic aging clocks, allowing her to adjust her routine accordingly.
For more on all of these, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
Age & Aging: What Can (And Can’t) We Do About It?
Take care!
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What is HRT? HRT and Hormones Explained
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In this short video, Dr. Sophie Newton explains how menopausal HRT, sometimes called just MHT, is the use of exogenous (didn’t come from your body) to replace/supplement the endogenous hormones (made in your body) that aren’t being made in the quantities that would result in ideal health.
Bioidentical hormones are, as the name suggests, chemically identical to those made in the body; there is no difference, all the way down to the atomic structure.
People are understandably wary of “putting chemicals into the body”, but in fact, everything is a chemical and those chemicals are also found in your body, just not in the numbers that we might always like.
In the case of hormones, these chemical messengers are simply there to tell cells what to do, so having the correct amount of hormones ensures that all the cells that need to get a certain message, get it.
In the case of estrogen specifically, while it’s considered a sex hormone (and it is), it’s responsible for a lot more than just the reproductive system, which is why many people without correct estrogen levels (such as peri- or post-menopause, though incorrect levels can happen earlier in life for other reasons too) can severely feel their absence in a whole stack of ways.
What ways? More than we can list here, but some are discussed in the video:
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Want to know more?
You might like our previous main features:
- What Does “Balance Your Hormones” Even Mean?
- What You Should Have Been Told About The Menopause Beforehand
- Menopausal HRT: Bioidentical vs Animal
Take care!
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Dandelion: Time For Evidence On Its Benefits?
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In recent decades often considered a weed, now enjoying a resurgence in popularity due its benefits for pollinators, this plant has longer-ago been enjoyed as salad (leaves) or as a drink (roots), and is typically considered to have diuretic and digestion-improving properties. So… Does it?
Diuretic
Probably! Because of the ubiquity of anecdotal evidence, this hasn’t been well-studied, but here’s a small (n=17) study that found that it significantly increased urination:
The diuretic effect in human subjects of an extract of Taraxacum officinale folium over a single day
You may be thinking, “you usually do better than an n=17 study” and yes we do, but there’s an amazing paucity of human research when it comes to dandelions, as you’ll see:
Digestion-improving
There’s a lot of fiber in dandelion greens and roots both, and eating unprocessed or minimally-processed plants is (with obvious exceptions, such as plants that are poisonous) invariably going to improve digestion just by virtue of the fiber content alone.
As for dandelions, the roots are rich in inulin, a great prebiotic fiber that indeed definitely helps:
Effect of inulin in the treatment of irritable bowel syndrome with constipation (Review)
When it comes to studies that are specifically about dandelions, however, we are down to animal studies, such as:
The effect of Taraxacum officinale on gastric emptying and smooth muscle motility in rodents
Note that this is not about the fiber; this is about the plant extract (so, no fiber), and how it gets the intestinal muscles to do their thing with more enthusiasm. Of course you, dear reader, are probably not a rodent, we can’t say for sure that this will have this effect in humans. However, generally speaking, what works for mammals works for mammals, so it probably indeed helps.
For liver health
More about rats and not humans, but again, it’s promising. Dandelion extract appears to protect the liver, reducing the damage in the event of induced liver failure:
In other words: the researchers poisoned the rats, and those who took dandelion extract suffered less liver damage than those who didn’t.
…and more?
It may help improve blood triglycerides and reduce ischemic stroke risk, but most of this research is still in non-human animals:
And while we’re on the topic of blood, it likely has blood-sugar-lowering effects too; once again (you guessed it), mostly non-human animal studies, though, with some in vitro studies:
The Physiological Effects of Dandelion (Taraxacum Officinale) in Type 2 Diabetes
Want to try some?
We don’t sell it, but if you have a garden, that’s a great place to grow this very easy-to-grow plant without having to worry about pesticides etc.
Alternatively, if you’d like to buy it in supplement form, here’s an example product on Amazon 😎
Enjoy!
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The No-Nonsense Meditation Book – by Dr. Steven Laureys
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We’ve reviewed books about meditation before, and when we review books, we try to pick ones that have something that make them stand out from the others. So, what stands out in this case?
The author is a medical doctor and neurologist, with decades of experience focusing on neuronal plasticity and multimodel neural imaging. So, a little beyond “think happy thoughts”-style woo.
The style of the book is pop-science in tone, but with a lot of hard clinical science underpinning it and referenced throughout, as one would expect of a scientist of Dr. Laurey’s stature (with hundreds of peer-reviewed papers in top-level journals).
You may be wondering: is this a “how-to” book or a “why-to” book or a “what-happens” book? It’s all three.
The “how-to” is also, as the title suggests, no-nonsense. We are talking maximum results for minimum mystery here.
Bottom line: if you’d like to be able to take up a meditative practice and know exactly what it’s doing to your brain (quietening these parts, stimulating and physically growing those parts, etc) then this is the book for you.
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The Truth About Handwashing
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Washing Our Hands Of It
In Tuesdays’s newsletter, we asked you how often you wash your hands, and got the above-depicted, below-described, set of self-reported answers:
- About 54% said “More times per day than [the other options]”
- About 38% said “Whenever using the bathroom or kitchen
- About 5% said “Once or twice per day”
- Two (2) said “Only when visibly dirty”
- Two (2) said “I prefer to just use sanitizer gel”
What does the science have to say about this?
People lie about their handwashing habits: True or False?
True and False (since some people lie and some don’t), but there’s science to this too. Here’s a great study from 2021 that used various levels of confidentiality in questioning (i.e., there were ways of asking that made it either obvious or impossible to know who answered how), and found…
❝We analysed data of 1434 participants. In the direct questioning group 94.5% of the participants claimed to practice proper hand hygiene; in the indirect questioning group a significantly lower estimate of only 78.1% was observed.❞
Note: the abstract alone doesn’t make it clear how the anonymization worked (it is explained later in the paper), and it was noted as a limitation of the study that the participants may not have understood how it works well enough to have confidence in it, meaning that the 78.1% is probably also inflated, just not as much as the 94.5% in the direct questioning group.
Here’s a pop-science article that cites a collection of studies, finding such things as for example…
❝With the use of wireless devices to record how many people entered the restroom and used the pumps of the soap dispensers, researchers were able to collect data on almost 200,000 restroom trips over a three-month period.
The found that only 31% of men and 65% of women washed their hands with soap.❞
Source: Study: Men Wash Their Hands Much Less Often Than Women (And People Lie About Washing Their Hands)
Sanitizer gel does the job of washing one’s hands with soap: True or False?
False, though it’s still not a bad option for when soap and water aren’t available or practical. Here’s an educational article about the science of why this is so:
UCI Health | Soap vs. Hand Sanitizer
There’s also some consideration of lab results vs real-world results, because while in principle the alcohol gel is very good at killing most bacteria / inactivating most viruses, it can take up to 4 minutes of alcohol gel contact to do so, as in this study with flu viruses:
In contrast, 20 seconds of handwashing with soap will generally do the job.
Antibacterial soap is better than other soap: True or False?
False, because the main way that soap protects us is not in its antibacterial properties (although it does also destroy the surface membrane of some bacteria and for that matter viruses too, killing/inactivating them, respectively), but rather in how it causes pathogens to simply slide off during washing.
Here’s a study that found that handwashing with soap reduced disease incidence by 50–53%, and…
❝Incidence of disease did not differ significantly between households given plain soap compared with those given antibacterial soap.❞
Read more: Effect of handwashing on child health: a randomised controlled trial
Want to wash your hands more than you do?
There have been many studies into motivating people to wash their hands more (often with education and/or disgust-based shaming), but an effective method you can use for yourself at home is to simply buy more luxurious hand soap, and generally do what you can to make handwashing a more pleasant experience (taking a moment to let the water run warm is another good thing to do if that’s more comfortable for you).
Take care!
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