How Useful Is Peppermint, Really?
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Peppermint For Digestion & Against Nausea
Peppermint is often enjoyed to aid digestion, and sometimes as a remedy for nausea, but what does the science say about these uses?
Peppermint and digestion
In short: it works! (but beware)
Most studies on peppermint and digestion, that have been conducted with humans, have been with regard to IBS, but its efficacy seems quite broad:
❝Peppermint oil is a natural product which affects physiology throughout the gastrointestinal tract, has been used successfully for several clinical disorders, and appears to have a good safety profile.❞
However, and this is important: if your digestive problem is GERD, then you may want to skip it:
❝The univariate logistic regression analysis showed the following risk factors: eating 1–2 meals per day (OR = 3.50, 95% CI: 1.75–6.98), everyday consumption of peppermint tea (OR = 2.00, 95% CI: 1.14–3.50), and eating one, big meal in the evening instead of dinner and supper (OR = 1.80, 95% CI: 1.05–3.11).
The multivariate analysis confirmed that frequent peppermint tea consumption was a risk factor (OR = 2.00, 95% CI: 1.08–3.70).❞
~ Dr. Jarosz & Dr. Taraszewska
Source: Risk factors for gastroesophageal reflux disease: the role of diet
Peppermint and nausea
Peppermint is also sometimes recommended as a nausea remedy. Does it work?
The answer is: maybe
The thing with nausea is it is a symptom with a lot of possible causes, so effectiveness of remedies may vary. But for example:
- Aromatherapy for treatment of postoperative nausea and vomiting ← no better than placebo
- The Effect of Combined Inhalation Aromatherapy with Lemon and Peppermint on Nausea and Vomiting of Pregnancy: A Double-Blind, Randomized Clinical Trial ← initially no better than placebo, then performed better on subsequent days
- The Effects of Peppermint Oil on Nausea, Vomiting and Retching in Cancer Patients Undergoing Chemotherapy: An Open Label Quasi-Randomized Controlled Pilot Study ← significant benefit immediately
Summary
Peppermint is useful against wide variety of gastrointestinal disorders, including IBS, but very definitely excluding GERD (in the case of GERD, it may make things worse)
Peppermint may help with nausea, depending on the cause.
Where can I get some?
Peppermint tea, and peppermint oil, you can probably find in your local supermarket (as well as fresh mint leaves, perhaps).
For the “heavy guns” that is peppermint essential oil, here’s an example product on Amazon for your convenience
Enjoy!
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Dr. Suzanne Steinbaum’s Heart Book – by Dr. Suzanne Steinbaum
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The book is divided into three parts:
- What you should know
- What you should do
- All about you
This is a very useful format, since it lays out all the foundational knowledge, before offering practical advice and “how to” explanations, before finally wrapping up with personalizing things.
The latter is important, because while our basic risk factors can be assembled in a few lines of data (age, sex, race, genes, diet, exercise habits, etc) there’s a lot more to us than that, and oftentimes the data that doesn’t make the cut, makes the difference. Hormones on high on this list; we can say that a person is a 65-year-old woman and make a guess, but that’s all it is: a guess. Very few of us are the “average person” that statistical models represent accurately. And nor are social and psychological factors irrelevant; in fact often they are deciding factors!
So, it’s important to be able to look at ourselves as the whole persons we are, or else we’ll get a heart-healthy protocol that works on paper but actually falls flat in application, because the mathematical model didn’t take into account that lately we have been very stressed about such-and-such a thing, and deeply anxious about so-and-so, and a hopefully short-term respiratory infection has reduced blood oxygen levels, and all these kinds of things need to be taken into account too, for an overall plan to work.
The greatest strength of this book is that it attends to that.
The style of the book is a little like a long sales pitch (when all that’s being sold, by the way, is the ideas the book is offering; she wants you to take her advice with enthusiasm), but there’s plenty of very good information all the way through, making it quite worth the read.
Bottom line: if you’re a woman and/or love at least one woman, then you can benefit from this important book for understanding heart health that’s not the default.
Click here to check out Dr. Suzanne Steinbaum’s Heart Book, and enjoy a heart-healthy life!
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How To Make Drinking Less Harmful
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Making Drinking Less Harmful
We often talk of the many ways alcohol harms our health, and we advocate for reducing (or eliminating) its consumption. However, it’s not necessarily as easy as all that, and it might not even be a goal that everyone has. So, if you’re going to imbibe, what can you do to mitigate the harmful effects of alcohol?
There is no magical solution
Sadly. If you drink alcohol, there will be some harmful effects, and nothing will completely undo that. But there are some things that can at least help—read on to learn more!
Coffee
It’s not the magical sober-upperer that some would like it to be, but it is good against the symptoms of alcohol intoxication, and slightly reduces the harm to your body, because it is:
- Hydrating (whereas alcohol is dehydrating)
- A source of antioxidants (whereas alcohol causes oxidative stress, which has nothing to do with psychological stress, and is a kind of cellular damage)
- A stimulant, assuming it is not decaffeinated (it’s worth noting that its stimulant effects work partly by triggering vasoconstriction, which is the opposite of the vasodilation caused by alcohol)
To this end, the best coffee for anti-alcohol effects should be:
- Caffeinated, and strong
- Long (we love espresso, but we need hydration here and that comes from volume!)
- Without sugar (you don’t want to create an adverse osmotic gradient to draw water back out from your body)
As for milk/cream/whatever, have it or don’t, per your usual preference. It won’t make any difference to the alcohol in your system.
Antioxidants, polyphenols, flavonoids, and things with similar mechanisms
We mentioned that coffee contains antioxidants, but if you want to really bring out the heavy guns, taking more powerful antioxidants can help a lot. If you don’t have the luxury of enjoying berries and cacao nibs by the handful, supplements that have some similar benefits are a perfectly respectable choice.
For example, you might want to consider green tea extract:
L-theanine 200mg (available on Amazon)
Specialist anti-alcohol drugs
These are somewhat new and the research is still ongoing, but for example:
Dihydromyricetin (DHM) as a novel anti-alcohol intoxication medication
In short, DHM is a flavonoid (protects against the oxidative stress caused by alcohol, and has been found to reduce liver damage—see the above link) and also works on GABA-receptors (reduces alcohol withdrawal symptoms after cessation of drinking, and thus also reduces hangovers).
Once again: the marketing claims of such drugs may be bold, but there’s a lot that’s not known and they’re not a magic pill. They do NOT mean you can take them alongside drinking and drink what you like with impunity. However, they may help mitigate some of the harmful effects of alcohol. If you wish to try them, these can be purchased at pharmacies or online, for example:
Alcohol Defense Capsules (available on Amazon)
Bottom line
Alcohol is bad for your health and none of the above will eliminate the health risks. But, if you’re going to have alcohol, then having the above things as well may at least somewhat reduce the harm done.
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Foods Linked To Urinary Incontinence In Middle-Age (& Foods That Avert It)
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Incontinence is an inconvenience associated with aging, especially for women. Indeed, as the study we’re going to talk about today noted:
❝Estrogen deficiency during menopause, aging, reproductive history, and factors increasing intra-abdominal pressure may lead to structural and functional failure in the pelvic floor.❞
However, that was just the “background”, before they got the study going, because…
❝Lifestyle choices, such as eating behavior, may contribute to pelvic floor disorders. The objective of the study was to investigate associations of eating behavior with symptoms of pelvic floor disorders, that is, stress urinary incontinence, urgency urinary incontinence, fecal incontinence, and constipation or defecation difficulties among middle-aged women.❞
~ Ibid.
How the study went
The researchers examined 1,098 Finnish women aged 47–55. It was a cross-sectional observational study, so no intervention was made, just: gathering data and analysing it. They examined:
- Eating behavior (i.e. what one’s diet is like; their questionnaire was quite comprehensive and the simplified conclusion doesn’t do that justice)
- Food consumption frequency (i.e. temporal patterns of eating)
- Demographic variables (e.g. age, education, etc)
- Gynecological variables (e.g. menopause status, hysterectomy, etc)
- Physical activity variables (e.g. light, moderate, heavy, previous history of no exercise, regular, competitive sport, etc)
With those things taken into account, the researchers crunched the numbers to assess the associations of dietary factors with pelvic floor disorders.
What they found
Adjusting for possible confounding variables…
- those with disordered eating patterns (e.g. overeating, restrictive eating, swinging between the two behaviors) were 50% higher chance of developing urinary incontinence than the norm
- those who more frequently consumed ready-made foods got 50% higher chance of developing urinary incontinence than the norm
- those who ate fruits daily enjoyed a 20% lower chance of urinary incontinence than the norm
So, in practical terms:
- practice mindful eating
- avoid ready-made foods
- enjoy fruit
You can read the paper in full here (it obviously goes into a lot more detail, and also covers other things beyond the scope of this article, such as fecal incontinence or, conversely, constipation—needless to say, the same advice stands in any case):
As for why this works the way it does: the study focused on the association and only hypothesized the question of “how”, but they did write a bit about that too, and it is almost certainly mostly a matter of gut health vs inflammation.
We really only have room for that kind of one-line summary here, but do read the paper if you’re interested, as it also talks about other dietary factors that had an impact, with the above-listed items being the topmost impactful factors, but for example (to take just one snippet of many possible ones):
❝In particular, saturated fatty acids (SFA) and cholesterol increased the risk for symptoms❞
~ Ibid. ← so do read it, for many more snippets like this!
What else does and doesn’t work
We covered a little while back the question of whether it is strengthening to hold one’s pee, or better to go whenever one feels the urge, and the answer is clear:
Meanwhile, supplements on the other hand are a mixed bag; there are some that probably help, and others, not so much:
What’s in the supplements that claim to help you cut down on bathroom breaks? And do they work?
Want to do more?
Check out these previous articles of ours:
Pelvic Floor Exercises (Not Kegels!) To Prevent Urinary Incontinence
and
Keeping Your Kidneys Happy: It’s About More Than Just Hydration! ← important at all ages, but especially relevant after 60
Take care!
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How Your Exercise Today Gives A Brain Boost Tomorrow
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Regular 10almonds readers may remember we not long back wrote about a study that showed how daily activity levels, in aggregate, make a difference to brain health over the course of 1–2 weeks (in fact, it was a 9-day study):
Daily Activity Levels & The Measurable Difference They Make To Brain Health
Today, we’re going to talk about a new (published today, at time of writing) study that shows the associations between daily exercise levels (amongst other things) and how well people performed in cognitive tests the next day.
By this we mean: they recorded exercise vs sedentary behavior vs sleep on a daily basis (using wearable tech to track it), and tested them daily with cognitive tests, and looked at how the previous day’s activities (or lack thereof) impacted the next day’s test results.
Notably, the sample was of older adults (aged 50–83). The sample size wasn’t huge but was statistically significant (n=76) and the researchers are of course calling for more studies to be done with more people.
What they found
To put their findings into few words:
- Consistent light exercise boosts general cognitive performance not just for hours (which was already known) but through the next day.
- More moderate or vigorous activity than usual in particular led to better working memory and episodic memory the next day.
- More sleep (especially slow-wave deep sleep) improved episodic memory and psychomotor speed.
- Sedentary behavior was associated with poorer working memory.
Let’s define some terms:
- general cognitive performance = average of scores across the different tests
- working memory = very short term memory, such as remembering what you came into this room for, or (as an example of a test format) being able to take down a multi-digit number in one go without it being broken down (and then, testing with longer lengths of number until failure)
- episodic memory = memory of events in a narrative context, where and when they happened, etc
- psychomotor speed = the speed of connection between perception and reaction in quick-response tests
These are, of course, all useful things to have, which means the general advice here is to:
- move more, generally
- exercise more, specifically
- sit less, whenever reasonably possible
- sleep well
You can read the study itself here:
Want to know the best kind of exercise for brain health?
Check out our article about neuroscientist Dr. Suzuki, and what she has to say about it:
The Exercise That Protects Your Brain
Enjoy!
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The Other Circadian Rhythms
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We’ve talked before about how circadian rhythm pertains not just to when it is ideal for us to sleep or be awake, but also at what times it is best to eat, exercise, and so forth:
The Circadian Rhythm: Far More Than Most People Know
Most people just know about the light consideration, per for example:
- How light can shift your mood and mental health, and
- How light tells you when to sleep, focus and poo
When your body parts clock on and off at the wrong time…
Now, new research has brought attention to how these things and more are governed by different physiological clocks within our bodies—and what this means for our health. In other words, if you are doing the various things at different times than you “should”, you will be training the different parts of your body (each with their independent clocks) to be on a different schedule, and so the different parts of your body will out of temporal sync with each other.
To put this in jet-lag terms: if your brain is in New York, while your heart is in Istanbul (not Constantinople) and your gut is in Tokyo, then this arrangement is not good for the health.
As for how it is not good for your health (i.e. the consequences) there’s still research to be done on some of the longer-term implications, but in the short term, one of the biggest effects is on our mood—most notably, increasing depression scores significantly.
And even more importantly, this is in the real world. That is to say, until quite recently, most data we had from studies on the circadian rhythm was from sleep clinic laboratories, which is great for RCTs but will always have as a limitation that someone sleeping in a lab is going to have some differences than someone sleeping in their own bed at home.
As the researchers said:
❝A critical step to addressing this is the noninvasive collection of physiological time-series data outside laboratory settings in large populations. Digital tools offer promise in this endeavor. Here, using wearable data, we first quantify the degrees of circadian disruption, both between different internal rhythms and between each internal rhythm and the sleep-wake cycle. Our analysis, based on over 50,000 days of data from over 800 first-year training physicians, reveals bidirectional links between digital markers of circadian disruption and mood both before and after they began shift work, while accounting for confounders such as demographic and geographic variables. We further validate this by finding clinically relevant changes in the 9-item Patient Health Questionnaire score.❞
Read in full: The real-world association between digital markers of circadian disruption and mental health risks
That questionnaire by the way sounds like an arbitrary thing they just made up, but the PHQ-9 (as it is known to its friends) is in fact the current intentional gold standard for measuring depression; we share it at the top of our article about depression, here:
The Mental Health First-Aid That You’ll Hopefully Never Need ← the test takes 2 minutes and you get immediate results
Want to know more?
For more about getting one’s entire self back into temporal sync (hey, wasn’t that the plot of a Star Trek episode?), sleep specialist Dr. Michael Breus wrote this excellent book that we reviewed a little while back:
Enjoy!
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Pomegranate vs Strawberry – Which is Healthier?
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Our Verdict
When comparing pomegranate to strawberries, we picked the pomegranate.
Why?
Both are good, but…
In terms of macros, pomegranate has more fiber, carbs, and protein, making it the winner in this category.
In the category of vitamins, pomegranate has more of vitamins B1, B2, B5, B6, B7, B9, E, and K, while strawberries have more of vitamins A, B3, and C, giving pomegranates an 8:3 victory here.
Looking at minerals, pomegranate has more copper, phosphorus, potassium, selenium, and zinc, while strawberries have more calcium, iron, and manganese, meaning pomegranates lead 5:3 in this round.
In other considerations, both have plenty of polyphenols, though pomegranate peel specifically has some extra beneficial properties (since the peel is quite tough as-is, it can be steeped for tea, or else dried and ground to a powder for use as a supplement), making this round either a tie or a win for pomegranates, depending on whether or not we count the peel-only benefits.
Either way, adding up the sections makes for a clear overall win for pomegranates, but by all means enjoy either or both, as diversity is good!
Want to learn more?
You might like:
Pomegranate’s Health Gifts Are Mostly In Its Peel
Enjoy!
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