Oh, Honey
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The Bee’s Knees?
If you’d like to pre-empt that runny nose, some say that local honey is the answer. The rationale is that bees visiting the local sources of pollen and making honey will introduce the same allergens to you in a non allergy-inducing fashion (the honey). The result? Inoculation against the allergens in question.
But does it work?
Researching this, we found a lot of articles saying there was no science to back it up.
And then! We found one solitary study from 2013, and the title was promising:
But we don’t stop at titles; that’s not the kind of newsletter we are. We pride ourselves on giving good information!
And it turned out, upon reading the method and the results, that:
- Both the control and test groups also took loratadine for the first 4 weeks of the study
- The test group additionally took 1g/kg bodyweight of honey, daily—so for example if you’re 165lb (75kg), that’s about 4 tablespoons per day
- The control group took the equivalent amount of honey-flavored syrup
- Both groups showed equal improvements by week 4
- The test group only showed continued improvements (over the control group) by week 8
The researchers concluded from this:
❝Honey ingestion at a high dose improves the overall and individual symptoms of AR, and it could serve as a complementary therapy for AR.❞
We at 10almonds concluded from this:
❝That’s a lot of honey to eat every day for months!❞
We couldn’t base an article on one study from a decade ago, though! Fortunately, we found a veritable honeypot of more recent research, in the form of this systematic review:
Read: The Potential Use Of Honey As A Remedy For Allergic Diseases
…which examines 13 key studies and 43 scientific papers over the course of 21 years. That’s more like it! This was the jumping-off point we needed into more useful knowledge.
We’re not going to cite all those here—we’re a health and productivity newsletter, not an academic journal of pharmacology, but we did sift through them so that you don’t have to, and:
The researchers (of that review) concluded:
❝Although there is limited evidence, some studies showed remarkable improvements against certain types of allergic illnesses and support that honey is an effective anti-allergic agent.❞
Our (10almonds team) further observations included:
- The research review notes that a lot of studies did not confirm which phytochemical compounds specifically are responsible for causing allergic reactions and/or alleviating such (so: didn’t always control for what we’d like to know, i.e. the mechanism of action)
- Some studies showed results radically different from the rest. The reviewers put this down to differences that were not controlled-for between studies, for example:
- Some studies used very different methods to others. There may be an important difference between a human eating a tablespoon of honey, and a rat having aerosolized honey shot up its nose, for instance. We put more weight to human studies than rat studies!
- Some kinds of honey (such as manuka) contain higher quantities of gallic acid which itself can relieve allergies by chemically inhibiting the release of histamine. In other words, never mind pollen-based inoculations… it’s literally an antihistamine.
- Certain honeys (such as tualang, manuka and gelam) contain higher quantities of quercetin. What’s quercetin? It’s a plant flavonoid that a recent study has shown significantly relieves symptoms of seasonal allergies. So again, it works, just not for the reason people say!
In summary:
The “inoculation by local honey” thing specifically may indeed remain “based on traditional use only” for now.
But! Honey as a remedy for allergies, especially manuka honey, has a growing body of scientific evidence behind it.
Bottom line:
If you like honey, go for it (manuka seems best)! It may well relieve your symptoms.
If you don’t, off-the-shelf antihistamines remain a perfectly respectable option.
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21 Most Beneficial Polyphenols & What Foods Have Them
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We often write about polyphenols here at 10almonds; sometimes mentioning that a certain food is good because it has them, or else occasionally an entire article about a particular polyphenol. But what about a birds-eye view of polyphenols as a whole?
Well, there are many, but we’ve picked 21 particularly beneficial for human health, and what foods contain them.
We’ll be working from this fantastic database, by the way:
❝Phenol-Explorer is the first comprehensive database on polyphenol content in foods. The database contains more than 35,000 content values for 500 different polyphenols in over 400 foods. These data are derived from the systematic collection of more than 60,000 original content values found in more than 1,300 scientific publications. Each of these publications has been critically evaluated before inclusion in the database. The whole data on the polyphenol composition of foods is available for download.❞
Source: Phenol-Explorer.EU | Database on polyphenol content in foods
We use this database at least several times per week while writing 10almonds; it’s a truly invaluable resource!
However, 500 is a lot, so here’s a rundown of 21 especially impactful ones; we’ve sorted them per the categories used in the explorer, and in some cases we’ve aggregated several very similar polyphenols typically found together in the same foods, into one item (so for example we just list “quercetin” instead of quercetin 3-O-rutinoside + quercetin 4′-O-glucoside + quercetin 3,4′-O-diglucoside, etc etc). We’ve also broadly grouped some particularly populous ones such as “anthocyanins”, “catechins”, and so forth.
Without further ado, here’s what you ideally want to be getting plenty of in your diet:
Flavonoids
- Quercetin
- Foods: onions, apples, berries, kale, broccoli, capers.
- Benefits: anti-inflammatory, reduces allergy symptoms, supports heart and brain health, and may lower blood pressure.
- See also: Fight Inflammation & Protect Your Brain, With Quercetin
- Kaempferol
- Foods: spinach, kale, tea (green and black), capers, brussels sprouts.
- Benefits: antioxidant, may reduce the risk of cancer, supports cardiovascular health, and has anti-inflammatory properties.
- Epigallocatechin gallate (EGCG)
- Foods: green tea, matcha.
- Benefits: potent antioxidant, promotes weight loss, supports brain health, and may reduce the risk of heart disease.
- Anthocyanins
- Foods: blueberries, blackberries, raspberries, red cabbage, cherries.
- Benefits: improve brain health, support eye health, and reduce the risk of cardiovascular diseases.
- Apigenin
- Foods: parsley, celery, chamomile tea.
- Benefits: anti-inflammatory, reduces anxiety, and supports brain and immune system health.
- Luteolin
- Foods: peppers, thyme, celery, carrots.
- Benefits: anti-inflammatory, supports brain health, and may help reduce the growth of cancer cells.
- Catechins (aside from EGCG)
- Foods: green tea, dark chocolate, apples
- Benefits: boosts metabolism, supports cardiovascular health, and reduces oxidative stress.
- Hesperidin
- Foods: oranges, lemons, limes, grapefruits.
- Benefits: supports vascular health, reduces inflammation, and may help manage diabetes.
- Naringenin
- Foods: oranges, grapefruits, tomatoes.
- Benefits: antioxidant, supports liver health, and may improve cholesterol levels.
For more on epigallocatechin gallate and other catechins, see: Which Tea Is Best, By Science?
Phenolic Acids
- Chlorogenic acid
- Foods: coffee, artichokes, apples, pears.
- Benefits: supports weight management, improves blood sugar regulation, and reduces inflammation.
- See also: Green Coffee Bean Extract: Coffee Benefits Without The Coffee?
- Caffeic acid
- Foods: coffee, thyme, sage, basil.
- Benefits: antioxidant, anti-inflammatory, and supports skin health.
- See also: The Bitter Truth About Coffee (or is it?)
- Ferulic acid
- Foods: whole grains, rice bran, oats, flaxseeds, spinach.
- Benefits: protects skin from UV damage, reduces inflammation, and supports cardiovascular health.
- Gallic acid
- Foods: green tea, berries, walnuts.
- Benefits: antioxidant, may reduce the risk of cancer, and supports brain health.
Stilbenes
- Resveratrol
- Foods: red currants, blueberries, peanuts.
- Benefits: anti-aging properties, supports heart health, and reduces inflammation.
- See also: Resveratrol & Healthy Aging ← and no, you can’t usefully get it from red wine; here’s why!
Lignans
- Secoisolariciresinol
- Foods: flaxseeds, sesame seeds, whole grains.
- Benefits: supports hormone balance, reduces the risk of hormone-related cancers, and promotes gut health.
- Matairesinol
- Foods: rye, oats, barley, sesame seeds.
- Benefits: hormonal support, antioxidant, and may reduce the risk of cardiovascular diseases.
See also: Sprout Your Seeds, Grains, Beans, Etc ← for maximum nutritional availability!
Tannins
- Ellagic acid
- Foods: pomegranates, raspberries, walnuts.
- Benefits: anti-cancer properties, supports skin health, and reduces inflammation.
- Proanthocyanidins
- Foods: cranberries, apples, grapes, dark chocolate.
- Benefits: supports urinary tract health, reduces inflammation, and improves blood vessel health.
See also: Enjoy Bitter Foods For Your Heart & Brain
Curcuminoids
- Curcumin
- Foods: turmeric.
- Benefits: potent anti-inflammatory, supports joint health, and may reduce the risk of chronic diseases.
- See also: Why Curcumin (Turmeric) Is Worth Its Weight In Gold
Isoflavones
- Genistein
- Foods: soybeans, chickpeas.
- Benefits: supports bone health, reduces the risk of hormone-related cancers, and promotes heart health.
- Daidzein
- Foods: soybeans, legumes.
- Benefits: hormonal balance, supports bone health, and may help alleviate menopausal symptoms.
See also: What Does “Balance Your Hormones” Even Mean?
Well, that’s a lot of things to remember!
If you want to make it easier for yourself, you can simply make sure to get at least 30 different kinds of plant into your diet per week, and by doing so, statistically, you should cover most of these!
Read more: What’s Your Plant Diversity Score?
Alternatively, for a middle-ground approach of targetting 16 most polyphenol delivering foods, check out this super-dense arrangement:
Mediterranean Diet… In A Pill? ← it’s about plant extracts from 16 specific foods, and the polyphenols they deliver
Enjoy!
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- Quercetin
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Uric Acid’s Extensive Health Impact (And How To Lower It)
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Uric Acid’s Extensive Health Impact (And How To Lower It)
This is Dr. David Perlmutter. He’s a medical doctor, and a Fellow of the American College of Nutrition. He’s a member of the Editorial Board for the Journal of Alzheimer’s Disease, and has been widely published in many other peer-reviewed journals.
What does he want us to know?
He wants us to know about the health risks of uric acid (not something popularly talked about so much!), and how to reduce it.
First: what is it? Uric acid is a substance we make in our own body. However, unlike most substances we make in our body, we have negligible use for it—it’s largely a waste product, usually excreted in urine.
However, if we get too much, it can build up (and crystallize), becoming such things as kidney stones, or causing painful inflammation if it shows up in the joints, as in gout.
More seriously (unpleasant as kidney stones and gout may be), this inflammation can have a knock-on effect triggering (or worsening) other inflammatory conditions, ranging from non-alcoholic fatty liver disease, to arthritis, to dementia, and even heart problems. See for example:
- David Perlmutter | Uric Acid and Cognitive Decline
- American Heart Association | Uric acid linked to later risk for irregular heart rhythm
- World Journal of Gastroenterology | The role of uric acid in non-alcoholic steatohepatitis development
How can we reduce our uric acid levels?
Uric acid is produced when we metabolize purine nucleotides, which are found in many kinds of food. We can therefore reduce our uric acid levels by reducing our purine intake, as well as things that mess up our liver’s ability to detoxify things. Offsetting the values for confounding variables (such as fiber content, or phytochemicals that mitigate the harm), the worst offenders include…
Liver-debilitating things:
- Alcohol (especially beer)
- High-fructose corn syrup (and other fructose-containing things that aren’t actual fruit)
- Other refined sugars
- Wheat / white flour products (this is why beer is worse than wine, for example; it’s a double-vector hit)
Purine-rich things:
- Red meats and game
- Organ meats
- Oily fish, and seafood (great for some things; not great for this)
Some beans and legumes are also high in purines, but much like real fruit has a neutral or positive effect on blood sugar health despite its fructose content, the beans and legumes that are high in purines, also contain phytochemicals that help lower uric acid levels, so have a beneficial effect.
Eggs (consumed in moderation) and tart cherries have a uric-acid lowering effect.
Water is important for all aspects of health, and doubly important for this.
Hydrate well!
Lifestyle matters beyond diet
The main key here is metabolic health, so Dr. Perlmutter advises the uncontroversial lifestyle choices of moderate exercise and good sleep, as well as (more critically) intermittent fasting. We wrote previously on other things that can benefit liver health:
…in this case, that means the liver gets a break to recuperate (something it’s very good at, but does need to get a chance to do), which means that while you’re not giving it something new to do, it can quickly catch up on any backlog, and then tackle any new things fresh, next time you start eating.
Want to know more about this from Dr. Perlmutter?
You might like his article:
An Integrated Plan for Lowering Uric Acid ← more than we had room for here; he also talks about extra things to include in your diet/supplementation regime for beneficial effects!
And/or his book:
…on which much of today’s main feature was based.
Take care!
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From Strength to Strength – by Dr. Arthur Brooks
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For most professions, there are ways in which performance can be measured, and the average professional peak varies by profession, but averages are usually somewhere in the 30–45 range, with a pressure to peak between 25–35.
With a peak by age 45 or perhaps 50 at the latest (aside from some statistical outliers, of course), what then to expect at age 50+? Not long after that, there’s a reason for mandatory retirement ages in some professions.
Dr. Brooks examines the case for accepting that rather than fighting it, and/but making our weaknesses into our strengths as we go. If our fluid intelligence slows, our accumulated crystal intelligence (some might call it “wisdom“) can make up for it, for example.
But he also champions the idea of looking outside of ourselves; of the importance of growing and fostering connections; giving to those around us and receiving support in turn; not transactionally, but just as a matter of mutualism of the kind found in many other species besides our own. Indeed, Dr. Brooks gives the example of a grove of aspen trees (hence the cover art of this book) that do exactly that.
The style is very accessible in terms of language but with frequent scientific references, so very much a “best of both worlds” in terms of readability and information-density.
Bottom line: if ever you’ve wondered at what age you might outlive your usefulness, this book will do as the subtitle suggests, and help you carve out your new place.
Click here to check out From Strength To Strength, and find yours!
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Cherries’ Very Healthy Wealth Of Benefits!
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Cherries’ Health Benefits Simply Pop
First, be aware, there are different kinds:
Sweet & Sour
Cherries can be divided into sweet vs sour. These are mostly nutritionally similar, though sour ones do have some extra benefits.
Sweet and sour cherries are closely related but botanically different plants; it’s not simply a matter of ripeness (or preparation).
These can mostly be sorted into varieties of Prunus avium and Prunus cerasus, respectively:
Cherry Antioxidants: From Farm to Table
Sour cherry varieties include morello and montmorency, so look out for those names in particular when doing your grocery-shopping.
You may remember that it’s a good rule of thumb that foods that are more “bitter, astringent, or pungent” will tend to have a higher polyphenol content (that’s good):
Enjoy Bitter Foods For Your Heart & Brain
Juiced up
Almost certainly for reasons of budget and convenience, as much as for standardization, most studies into the benefits of cherries have been conducted using concentrated cherry juice as a supplement.
At home, we need not worry so much about standardization, and our budget and convenience are ours to manage. To this end, as a general rule of thumb, whole fruits are pretty much always better than juice:
Which Sugars Are Healthier, And Which Are Just The Same?
Antioxidant & anti-inflammatory!
Cherries are a very good source of antioxidants, and as such they also reduce inflammation, which in turn means ameliorating autoimmune diseases, from common things like arthritis…
…to less common things like gout:
Cherry Consumption and the Risk of Recurrent Gout Attacks
This can also be measured by monitoring uric acid metabolites:
Consumption of cherries lowers plasma urate in healthy women
Anti-diabetic effect
Most of the studies on this have been rat studies, and the human studies have been less “the effect of cherry consumption on diabetes” and more a matter of separate studies adding up to this conclusion in, the manner of “cherries have this substance, this substance has this effect, therefore cherries will have this effect”. You can see an example of this discussed over the course of 15 studies, here:
A Review of the Health Benefits of Cherries ← skip to section 2.2.1: “Cherry Intake And Diabetes”
In short, the jury is out on cherry juice, but eating cherries themselves (much like getting plenty of fruit in general) is considered good against diabetes.
Good for healthy sleep
For this one, the juice suffices (actual cherries are still recommended, but the juice gave clear significant positive results):
Pilot Study of the Tart Cherry Juice for the Treatment of Insomnia and Investigation of Mechanisms ← this was specifically in people over the age of 50
Importantly, it’s not that cherries have a sedative effect, but rather they support the body’s ability to produce melatonin adequately when the time comes:
Effect of tart cherry juice (Prunus cerasus) on melatonin levels and enhanced sleep quality
Post-exercise recovery
Cherries are well-known for boosting post-exercise recovery, though they may actually improve performance during exercise too, if eaten beforehand/
For example, these marathon-runners who averaged 13% compared to placebo control:
As for its recovery benefits, we wrote about this before:
How To Speed Up Recovery After A Workout (According To Actual Science)
Want to get some?
We recommend your local supermarket (or farmer’s market!), but if for any reason you prefer to take a supplement, here’s an example product on Amazon
Enjoy!
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Progesterone Menopausal HRT: When, Why, And How To Benefit
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Progesterone doesn’t get talked about as much as other sex hormones, so what’s its deal? Dr. Heather Hirsch explains:
Menopausal progesterone
Dr. Hirsch considers progesterone essential for menopausal women who are taking estrogen and have an intact uterus, to keep conditions at bay such as endometriosis or even uterine cancer.
However, she advises it is not critical in those without a uterus, unless there was a previous case of one of the above conditions.
10almonds addition: on the other hand, progesterone can still be beneficial from a metabolic and body composition standpoint, so do speak with your endocrinologist about it.
As an extra bonus: while not soporific (it won’t make you sleepy), taking progesterone at night will improve the quality of your sleep once you do sleep, so that’s a worthwhile thing for many!
Dr. Hirsch also discusses the merits of continuous vs cyclic use; continuous maintains the above sleep benefits, for example, while cyclic use can help stabilize menstrual patterns in late perimenopause and early menopause.
For more on these things, plus discussion of different types of progesterone, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
- What Does “Balance Your Hormones” Even Mean?
- What You Should Have Been Told About The Menopause Beforehand
- HRT: Bioidentical vs Animal – A Tale Of Two Approaches
Take care!
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Test For Whether You Will Be Able To Achieve The Splits
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Some people stretch for years without being able to do the splits; others do it easily after a short while. Are there people for whom it is impossible, and is there a way to know in advance whether our efforts will be fruitful? Liv (of “LivInLeggings” fame) has the answer:
One side of the story
There are several factors that affect whether we can do the splits, including:
- arrangement of the joint itself
- length of tendons and muscles
- “stretchiness” of tendons and muscles
The latter two things, we can readily train to improve. Yes, even the basic length can be changed over time, because the body adapts.
The former thing, however (arrangement of the joint itself) is near-impossible, because skeletal changes happen more slowly than any other changes in the body. In a battle of muscle vs bone, muscle will always win eventually, and even the bone itself can be rebuilt (as the body fixes itself, or in the case of some diseases, messes itself up). However, changing the arrangement of your joint itself is far beyond the auspices of “do some stretches each day”. So, for practical purposes, without making it the single most important thing in your life, it’s impossible.
How do we know if the arrangement of our hip joint will accommodate the splits? We can test it, one side at a time. Liv uses the middle splits, also called the side splits or box splits, as an example, but the same science and the same method goes for the front splits.
Stand next to a stable elevated-to-hip-height surface. You want to be able to raise your near-side leg laterally, and rest it on the surface, such that your raised leg is now perfectly perpendicular to your body.
There’s a catch: not only do you need to still be stood straight while your leg is elevated 90° to the side, but also, your hips still need to remain parallel to the floor—not tilted up to one side.
If you can do this (on both sides, even if not both simultaneously right now), then your hip joint itself definitely has the range of motion to allow you to do the side splits; you just need to work up to it. Technically, you could do it right now: if you can do this on both sides, then since there’s no tendon or similar running between your two legs to make it impossible to do both at once, you could do that. But, without training, your nerves will stop you; it’s an in-built self-defense mechanism that’s just firing unnecessarily in this case, and needs training to get past.
If you can’t do this, then there are two main possibilities:
- Your joint is not arranged in a way that facilitates this range of motion, and you will not achieve this without devoting your life to it and still taking a very long time.
- Your tendons and muscles are simply too tight at the moment to allow you even the half-split, so you are getting a false negative.
This means that, despite the slightly clickbaity title on YouTube, this test cannot actually confirm that you can never do the middle splits; it can only confirm that you can. In other words, this test gives two possible results:
- “Yes, you can do it!”
- “We don’t know whether you can do it”
For more on the anatomy of this plus a visual demonstration of the test, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
Stretching Scientifically – by Thomas Kurz ← this is our review of the book she’s working from in this video; this book has this test!
Take care!
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