Dioscorea Villosa: Hormones, Arthritis, & Skin
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On A Wild Yam Chase?
We recently came across a supplement blend that had wild yam extract as a minor ingredient. Our plucky (and usually very knowledgable) researcher had never heard of its use before, so she set about doing her thing. This is what she found…
What health claims are made?
Wild yam extract (Dioscorea villosa) is traditionally sold and used for:
- Balancing hormones
- Combating arthritis
- Anti-aging effects for the skin
Does it balance hormones?
First, as a quick catch-up, we’ll drop a previous article of ours for your convenience:
What Does “Balance Your Hormones” Even Mean?
We couldn’t find almost any studies into wild yam extract’s hormone-balancing effects, but we did find one study, and:
❝Symptom scores showed a minor effect of both placebo and active treatment on diurnal flushing number and severity and total non-flushing symptom scores, and on nocturnal sweating after placebo, but no statistical difference between placebo and active creams.
This study suggests that short-term treatment with topical wild yam extract in women suffering from menopausal symptoms is free of side-effects, but appears to have little effect on menopausal symptoms❞
…which is a very thorough, polite, sciencey way of saying “wow, this does so many different kinds of nothing”
On the one hand, this was a small study (n=23). On the other hand, it was also literally the only study we could find.
Does it combat arthritis?
Maybe! We again didn’t find much research into this but we did find two in vitro studies that suggests that diosgenin (which can be derived from wild yam extract) helps:
- Diosgenin inhibits IL-1β-induced expression of inflammatory mediators in human osteoarthritis chondrocytes
- Diosgenin, a plant steroid, induces apoptosis in human rheumatoid arthritis synoviocytes with cyclooxygenase-2 overexpression
And we also found a rodent study that found that wild yam extract specifically helped against “acetic acid-induced writhing and formalin-induced pain“, and put that down to anti-inflammatory properties:
So, none of these studies tell us much about whether it would be helpful for humans—with or without arthritis, and hopefully without “acetic acid-induced writhing and formalin-induced pain”.
However, they do suggest that it would be reasonable to test in humans next.
You might prefer:
- Tips For Avoiding/Managing Osteoarthritis
- Tips For Avoiding/Managing Rheumatoid Arthritis
- How to Prevent (or Reduce) Inflammation
Does it keep skin young?
Again, research is thin on the ground, but we did find some! A study with wild-yam-derived diosgenin found that it didn’t make anything worse, and otherwise performed a similar role to vitamin A:
Read: Novel effects of diosgenin on skin aging
That was on rats with breast cancer though, so its applicability to healthy humans may be tenuous (while in contrast, simply getting vitamin A instead is a known deal).
Summary
- Does it balance hormones? It probably does little to nothing in this regard
- Does it combat arthritis? It probably has anti-inflammatory effects, but we know of no studies in humans. There are much more well-established anti-inflammatories out there.
- Does it keep the skin young? We know that it performs a role similar to vitamin A for rats with breast cancer, and didn’t make anything worse for them. That’s the extent of what we know.
Where can I get some?
In the unlikely event that the above research review has inspired you with an urge to buy wild yam extract, here is an example product for your convenience.
Some final words…
If you are surprised that we’re really not making any effort to persuade you of its merits, please know that (outside of the clearly-marked sponsor section, which helps us keep the lights on, so please do visit those) we have no interest in selling you anything. We’re genuinely just here to inform 🙂
If you are wondering why we ran this article at all if the supplement has negligible merits, it’s because science is science, knowledge is knowledge, and knowing that something has negligible merit can be good knowledge to have!
Also, running articles like this from time to time helps you to know that when we do sing the praises of something, it’s with good reason
Take care!
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Peach vs Passion Fruit – Which is Healthier?
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Our Verdict
When comparing peach to passion fruit, we picked the passion fruit.
Why?
It wasn’t close!
In terms of macros, passion fruit has more than 2x the protein, 2x the carbs, and 7x the fiber. That’s a big difference!
In the category of vitamins, peach has more of vitamins B1, B5, E, and K, while passion fruit has more of vitamins A, B2, B3, B6, B7, B9, C, and choline. Again, not close.
When it comes to minerals, peach has more manganese and zinc, while passion fruit has more calcium, copper, iron, magnesium, phosphorus, potassium, and selenium—and most of those margins are “by multiples”, not just a fraction more. Again, a clear winner here.
Adding up these three overwhelming wins for passion fruit makes for an obvious total win for passion fruit.
As ever, enjoy both, but if you’re going to pick one, then one of these fruits is extra passionate about bringing you nutrients.
Want to learn more?
You might like to read:
Top 8 Fruits That Prevent & Kill Cancer ← peaches are on this list!
Take care!
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World Menopause Day Health News Round-Up
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In order to provide variety in this week’s round-up, not all of this is menopause-related, but it is all important:
Menopause & CVD
Untreated menopause is associated with higher incidence of heart disease, and higher mortality. People often forget about how much estrogen does for us (well, for those of us with a physiology running on estrogen, anyway; gentlemen, your testosterone is fine for you), and think it is “just” a sex hormone, but it’s a lot more.
Read in full: Menopause transition linked to increased heart disease risk
Related: What Menopause Does To The Heart
Extraterrestrial medical technology
The much lower gravity in Earth orbit has allowed for tissue engineering techniques that Earth’s normal gravity imposes limitations on. This is big news, because it means that rather than replacing a whole liver, tissue implants could be grafted, allowing the extant liver to repair itself (something livers are famously good at, but they need enough undamaged base material to work with).
Read in full: How liver tissue from the International Space Station may transform tissue engineering
Related: How To Unfatty A Fatty Liver
One thing and then another
As if endometriosis weren’t unpleasant enough in and of itself, the endothelial dysfunction inherent to it also raises cardiovascular disease risk. This is important, because while endometriosis has (like many maladies predominantly affecting women) generally been shrugged off by the medical world as an unhappy inconvenience but not life-threatening, now we know it comes with extra existential risks too:
Read in full: Understanding cardiovascular risks in endometriosis patients
Related: What You Need To Know About Endometriosis
Push-button meditation
Unlike mindfulness meditation, listening to music is a very passive experience, and thus requires less effort from the user. And yet, it has been associated with lower perceived pain levels, lower self-reported anxiety levels, less opioid use, and measurably lower heart-rate.
Read in full: Listening to music may speed up recovery from surgery, research suggests
Related: Nobody Likes Surgery, But Here’s How To Make It Much Less Bad
Cholesterol in menopause: quality over quantity
Much like previous research has shown that the quantity of LDL is not nearly so predictive of health outcomes in women as it is in men, this study into HDL and menopausal women shows that quantity of HDL does not matter nearly so much as the quality of it.
Read in full: HDL quality, not quantity, contribute to the first sign of Alzheimer’s disease in women
Related: Statins: His & Hers? ← consistent with the above, statins (to lower LDL cholesterol) generally help more for men and produce more adverse side effects for women. So again, a case of “the actual amount of cholesterol isn’t so important for women as for men”.
Take care!
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Curing Hiccups And Headaches At Home With Actual Science
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Quick fixes for bodily annoyances
Do you ever find yourself desperately trying to cure hiccups, and advice on the Internet is like “breathe in through your ears while drinking vinegar upside-down through your nose”?
If so, you’re not alone. So, today we’re going to look at some science-based approaches to dealing with common bodily annoyances.
Hiccups
Unfortunately, most popular advices simply don’t work, and the only near-guaranteed way to cure these is with anti-convulsive medications whose side-effects may be worse than the hiccups.
However, before you head to the pharmacy, there is one breathing exercise that has a very simple scientific underpinning: 4:4 breathing. If you’re unfamiliar, it’s just:
- Breathe slowly in through your nose to a count of four
- Hold your breath for a count of four
- Breathe slowly out through your nose to a count of four
- Hold your breath for a count of four
…and repeat. The slower the better. At first, your hiccups will interrupt this, but just “keep calm and carry on”.
The reason this can work is that breathing is an autonomic function (e.g., it happens without us thinking about it) that, unlike most other autonomic functions, we can all control directly. By taking control of one, others will tend to fall into line with it.
For example, it is normal that your heart rate will tend to slow or quicken as your breathing slows or quickens, respectively.
Your hiccups? Autonomic function. Actually a very, very old evolutionary left-over trait, that’s only useful for protecting lungs while breathing underwater. In other words, it’s the bodily function thinks you’re a fish (or a tadpole-like amphibious creature) in the process of developing lungs. Unfortunately, because hiccuping doesn’t harm our chances of passing on our genes, it never got naturally de-selected so we still have it.
Anyway, the bottom line is: take control of your breathing in the aspects you can directly control, and the aspects you can’t directly control will fall into line. You may need to give it some minutes, don’t give up too quickly.
Headaches
If you ever get a headache and you don’t have painkillers or perhaps they’re not helping or you have another reason for not wanting to take them, there’s “one quick trick” that can cure most headaches in seconds.
First, the limitation: this will only cure headaches that have been caused by increased localized blood pressure in the forehead. However, that’s more than half of most common headaches.
Next, how it works…
We’re mentioning this first, because understanding how it works will give you more confidence in using it.
Your body has a wonderful homeostatic system, which is the system by which your body maintains its “Goldilocks zones” of not too hot or cold, not to acidine or alkaline, not too hydrated or dehydrated, blood pressure not too high or too low, etc. Sometimes, however, it can get confused, and needs a nudge back to where it should be.
One of the ways it maintains blood pressure is biofeedback from receptors in blood vessel walls, called baroreceptors. They are what it sounds like; they measure blood pressure internally.
In certain places, there are clusters of baroreceptors in one place. And if we press on that one place, the body will think “Oh no! Super high blood pressure in this bit!” and reduce the blood pressure immediately.
This is called the baroreflex, and that’s what you need to cure a hypertensive headache.
So, what to do:
With your thumb, carefully feel the upper inside corner of your eye socket. So, at the top, and about ¼ of the way out from the bridge of your nose. You should feel a groove. No, not like the Emperor’s New, but, an actual groove in your eye socket. That’s the supraorbital notch (or foramen), and it allows the supraorbital artery, veins, and nerve to run through.
Press it firmly (you can do both sides at once, assuming you have two thumbs) for about three seconds, and then massage it gently. Repeat as necessary, but it shouldn’t take more than about three goes to have cured the headache.
As a bonus, this is a great party trick for curing other people’s headaches, when the need arises!
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Lucid Dreaming: How To Do It, & Why
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Lucid Dreaming: Methods & Uses
We’ve written about dreaming more generally before:
Today we’re going to be talking more about a subject we’ve only touched on previously: lucid dreaming
What it is: lucid dreaming is the practice of being mentally awake while dreaming, with awareness that it is a dream, and control over the dream.
Why is it useful? Beyond simply being fun, it can banish nightmares, it can improve one’s relationship with sleep (always something to look forward to, and sleep doesn’t feel like a waste of time at all!), and it can allow for exploring a lot of things that can’t easily be explored otherwise—which can be quite therapeutic.
How to do it
There are various ways to induce lucid dreaming, but the most common and “entry-level” method is called Mnemonic-Induced Lucid Dreaming (MILD).
MILD involves having some means of remembering what one has forgotten, i.e., that one is dreaming. To break it down further, first we’ll need to learn how to perform a reality check. Again, there are many of these, but one of the simplest is to ask yourself:
How did I get here?
- If you can retrace your steps with relative ease and the story of how you got here does not sound too much like a dream sequence, you are probably not dreaming.
- If you are dreaming, however, chances are that nothing actually led to where you are now; you just appeared here.
Other reality checks include checking whether books, clocks, and/or lightswitches work as they should—all are notorious for often being broken in dreams; books have gibberish or missing or repeated text; clocks do not tell the correct time and often do not even tell a time that could be real (e.g: 07:72), and lightswitches may turn a light on/off without actually changing the level of illumination in the room.
Now, a reality check is only useful if you actually perform it, so this is where MILD comes in.
You need to make a habit of doing a reality check frequently. Whenever you remember, it’s a good time to do a reality check, but you should also try tying it to something. Many people use a red light, because then they can also use a timed red light during the night to subconsciously cue them that they are dreaming. But it could be as simple as “whenever I go to the bathroom, I do a reality check”.
With this in mind, a fun method that has extra benefits is to try to use a magical power, such as psychokinesis. If (while fully awake) whenever you go to pick up some object you imagine it just wooshing magically to meet your hand halfway, then at some point you’ll instinctively do that while dreaming, and it’ll stand a good chance of working—and thus cluing you in that you are dreaming.
How to stay lucid
When you awaken within a dream (i.e. become lucid), there’s a good chance of one of two things happening quickly:
- you forget again
- you wake up
So when you realize you are dreaming, do two things at once:
- verbally repeat to yourself “I am dreaming now”. This will help stretch your awareness from one second to the next.
- look at your hands, and touch things, especially the floor and/or walls. This will help to ground you within the dream.
Things to do while lucid
Flying is a good fun entry-level activity; it’s very common to initially find it difficult though, and only be able to lift up very slightly before gently falling down, or things like that. A good tip is: instead of trying to move yourself, you stay still and move the dream around you, as though you are rotating a 3D model (because guess what: you are).
Confronting your nightmares and/or general fears is a good thing for many. Think, while you’re still awake during the day, about what you would do about the source/trigger of your fear if you had magical powers. Whatever you choose, keep it consistent for now, because this is about habit-forming.
Example: let’s say there’s a person from your past who appears in your nightmares. Let’s say your chosen magic would be “I would cause the ground to open up, swallow them, and close again behind them”. Vividly imagine that whenever they come to mind while you are awake, and when you encounter them next in a nightmare, you’ll remember to do exactly that, and it’ll work.
Learning about your own subconscious is a more advanced activity, but once you’re used to lucid dreaming, you can remember that everything in there is an internal projection of your own mind, so you can literally talk to parts of your subconscious, including past versions of yourself, or singular parts of your greater-whole personality, as per IFS:
Take Care Of Your “Unwanted” Parts Too!
Want to know more?
You might like to read:
Enjoy!
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Are You Stuck Playing These Three Roles in Love?
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The psychology of Transactional Analysis holds that our interpersonal dynamics can be modelled in the following fashion:
The roles
- Child: vulnerable, trusting, weak, and support-seeking
- Parent: strong, dominant, responsible—but also often exhausted and critical
- Adult: balanced, thoughtful, creative, and kind
Ideally we’d be able to spend most of our time in “Adult” mode, and occasionally go into “Child” or “Parent” mode when required, e.g. child when circumstances have rendered us vulnerable and we need help; parent when we need to go “above and beyond” in the pursuit of looking after others. That’s all well and good and healthy.
However, in relationships, often it happens that partners polarize themselves and/or each other, with one shouldering all of the responsibility, and the other willfully losing their own agency.
The problem lies in that either role can be seductive—on the one hand, it’s nice to be admired and powerful and it’s a good feeling to look after one’s partner; on the other hand, it’s nice to have someone who will meet your every need. What love and trust!
Only, it becomes toxic when these roles stagnate, and each forgets how to step out of them. Each can become resentful of the other (for not pulling their weight, on one side, and for not being able to effortlessly solve all life problems unilaterally and provide endlessly in both time and substance, on the other), digging in to their own side and exacerbating the less healthy qualities.
As to the way out? It’s about self-exploration and mutual honesty—and mutual support:
Click Here If The Embedded Video Doesn’t Load Automatically!
Further reading
While we haven’t (before today) written about TA per se, we have previously written about AT (Attachment Theory), and on this matter, the two can overlap, where certain attachment styles can result in recreating parent/child/adult dynamics:
How To Leverage Attachment Theory In Your Relationship ← this is about understanding and recognizing attachment styles, and then making sure that both you and your partner(s) are armed with the necessary knowledge and understanding to meet each other’s needs.
Take care!
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Cold Weather Health Risks
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Many Are Cold; Few Are Frozen
Many of those of us in the Northern Hemisphere are getting hit with a cold spell around now. How severe that may be depends on more precisely where we are, but it’s affecting a lot of people. So, with apologies to our readers in Australia, we’re going to do a special on that today.
Acute cold is, for most people, good for the health:
A Cold Shower A Day Keeps The Doctor Away?
Persistent cold, not so much. Let’s look at the risks, and what can be done about them…
Hypothermia
It kills. Don’t let it kill you or your loved ones.
And, this is really important: it doesn’t care whether you’re on a mountain or not.
In other words: a lot of people understand (correctly!) that hypothermia is a big risk to hikers, climbers, and the like. But if the heating goes out in your house and the temperature drops for long enough before the heating is fixed, you can get hypothermia there too just the same if you’re not careful.
How cold is too cold? It doesn’t even have to be sub-zero. According to the CDC, temperatures of 4℃ (40℉) can be low enough to cause hypothermia if other factors combine:
CDC | Prevent Hypothermia & Frostbite ← you can also see the list of symptoms to watch out for, there!
Skin health
Not generally an existential risk, but we may as well stay healthy as not!
Cold air often means dry air, so use a moisturizer with an oil base (if you don’t care for fancy beauty products, ordinary coconut oil is top-tier).
Bonus if you do it after a warming bath/shower!
Heart health
Cold has a vasconstricting effect; that is to say, it causes the body’s vasculature to shrink, increasing localized blood pressure. If it’s a cold shower as above, that can be very invigorating. If it’s a week of sub-zero temperatures, it can become a problem.
❝Shoveling a little snow off your sidewalk may not seem like hard work. However, […] combined with the fact that the exposure to cold air can constrict blood vessels throughout the body, you’re asking your heart to do a lot more work in conditions that are diminishing the heart’s ability to function at its best.❞
Source: Snow shoveling, cold temperatures combine for perfect storm of heart health hazards
If you have a heart condition, please do not shovel snow. Let someone else do it, or stay put.
And if you are normally able to exercise safely? Unless you’re sure your heart is in good order, exercising in the warmth, not the cold, seems to be the best bet.
See also: Heart Attack: His & Hers (Be Prepared!) ← can you remember which symptoms are for which sex? If not, now’s a good time to refresh that knowledge.
Immune health
We recently discussed how cold weather indirectly increases the risk of respiratory viral infection:
The Cold Truth About Respiratory Infections
So, now’s the time to be extra on-guard about that.
See also: Beyond Supplements: The Real Immune-Boosters!
Balance
Icy weather increases the risk of falling. If you think “having a fall” is something that happens to other/older people, please remember that there’s a first time for everything. Some tips:
- Walk across icy patches with small steps in a flat-footed fashion like a penguin.
- It may not be glamorous, but neither is going A-over-T and breaking (or even just spraining) things.
- Use a handrail if available, even if you don’t think you need to.
You can also check out our previous article about falling (avoiding falling, minimizing the damage of falling, etc):
Fall Special: Some Fall-Themed Advice
Take care!
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- Walk across icy patches with small steps in a flat-footed fashion like a penguin.
