Turmeric (Curcumin) Dos and Don’ts With Dr. Kim
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Turmeric is a fabulous spice, most well-known for its anti-inflammatory powers; its antioxidant effects benefit all of the body, including the brain. While it fights seemingly everything from arthritis to atherosclerosis to Alzheimer’s and more, it also boosts brain-derived neurotrophic factor, looks after your cardiovascular health, holds back diabetes, reduces the risk of cancer, fights depression, slows aging, and basically does everything short of making you sing well too.
Dr. Leonid Kim goes over the scientific evidence for these, and also talks about some of the practicalities of taking turmeric, and safety considerations.
For the most part, turmeric is very safe even at high doses (up to 8g at least); indeed, at smaller doses (e.g. 500mg) it largely does the same job as non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen, with fewer problems.
It also does the job of several antidiabetic medications, by increasing uptake of glucose (thus reducing blood sugar levels) while simultaneously decreasing the glucose secretion from the liver. It does this by regulating the AMPK signalling pathway, just like metformin—while again, being safer.
Dr. Kim also looks at the (good!) evidence for turmeric in managing PCOS and undoing NAFLD; so far, so good.
Dosage: he bids us pay attention whether we’re taking it as turmeric itself or as curcumin standardized extract. The latter is the active compound, and in principle more powerful, but in practice it can get metabolized too quickly and easily—before it can have its desired effect. So, turmeric itself is a very good choice.
Absorption: since we do want it to be absorbed well, though, he does recommend taking it with piperine (as in black pepper).
You may be thinking: isn’t this going to cause the same problem you were just talking about, and cause it to be metabolized too quickly? And the answer is: no! How piperine works is almost the opposite; it protects the curcumin in the turmeric from our digestive enzymes, and thus allows them to get absorbed without being broken down too quickly—thus increasing the bioavailability by slowing the process down.
Lipophilia: no, that’s not a disease (or a fetish), rather it means that curcumin is soluble in fats, so we should take it near in time to a meal that contains at least a tablespoon of oil in total (so if you’re cooking a curry with your turmeric, this need is covered already, for example).
Supplement provenance: he recommends picking a supplement that’s been tested by a reputable 3rd party, as otherwise turmeric can be quite prone to impurities (which can include lead and arsenic, so, not great).
Contraindications: for some people, curcumin can cause gastrointestinal issues (less likely if taking with meals), and also, it can interact with blood-thinners. While taking aspirin or curcumin alone might help avoid circulatory problems, taking both could increase the bleeding risk for some people, for example. Similarly, if taking curcumin and metformin while diabetic, one must watch out for the combination being too effective at lowering blood sugar levels, and thus causing hypoglycemia instead. Similar deal with blood pressure medications.
There’s more in the video though (yes really; we know we wrote a lot but it’s information-dense), so do check it out:
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Want to know more?
You can also check out our related articles:
Why Curcumin (Turmeric) Is Worth Its Weight In Gold
Black Pepper’s Impressive Anti-Cancer Arsenal (And More)
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The Immunostimulant Superfood –
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First, what this book is not: a “detox cleanse” book of the kind that claims you can flush out the autism if you just eat enough celery.
What it rather is: an overview brain chemistry, gut microbiota, and the very many other bodily systems that interact with these “two brains”.
She also does some mythbusting of popular misconceptions (for example with regard to tryptophan), and explains with good science just what exactly such substances as gluten and casein can and can’t do.
The format is less of a textbook and more a multipart (i.e., chapter-by-chapter) lecture, in pop-science style though, making it very readable. There are a lot of practical advices too, and options to look up foods by effect, and what to eat for/against assorted mental states.
Bottom line: anyone who eats food is, effectively, drugging themselves in one fashion or another—so you might as well make a conscious choice about how to do so.
Click here to check out This Is Your Brain On Food, and choose what kind of day you have!
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Tempeh vs Tofu – Which is Healthier?
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Our Verdict
When comparing tempeh to tofu, we picked the tempeh.
Why?
Per 100g, tempeh has about 1.5x as many calories, about 2x as much protein, about 3x as much fiber, and about 4x the carbohydrates.
Which latter sounds like a lot, but really, the amounts here are small—tempeh is under 12% carbohydrates, and most of that is treated by the body as fiber (e.g. it’s a resistant starch).
Both have no sugar, and both have more or less the same (tiny) amount of fat.
Micronutrients, you ask? As they’re both made from soybeans, the micronutrient profiles are similar, but exact amounts will depend on the method used, so by all means check labels if comparing products in store. By and large, there’s usually not much difference, though.
You can see sample stats here:
In summary
Both are great, and/but tempeh is the more nutrient-dense of the two.
Therefore, tempeh is the healthier option, unless you are on a very strictly calorie-controlled diet, in which case, tofu will give you more quantity per calorie.
Enjoy!
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What’s the difference between physical and chemical sunscreens? And which one should you choose?
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Sun exposure can accelerate ageing, cause skin burns, erythema (a skin reaction), skin cancer, melasmas (or sun spots) and other forms of hyperpigmentation – all triggered by solar ultraviolet radiation.
Approximately 80% of skin cancer cases in people engaged in outdoor activities are preventable by decreasing sun exposure. This can be done in lots of ways including wearing protective clothing or sunscreens.
But not all sunscreens work in the same way. You might have heard of “physical” and “chemical” sunscreens. What’s the difference and which one is right for you?
How sunscreens are classified
Sunscreens are grouped by their use of active inorganic and organic ultraviolet (UV) filters. Chemical sunscreens use organic filters such as cinnamates (chemically related to cinnamon oil) and benzophenones. Physical sunscreens (sometimes called mineral sunscreens) use inorganic filters such as titanium and zinc oxide.
These filters prevent the effects of UV radiation on the skin.
Organic UV filters are known as chemical filters because the molecules in them change to stop UV radiation reaching the skin. Inorganic UV filters are known as physical filters, because they work through physical means, such as blocking, scattering and reflection of UV radiation to prevent skin damage.
Nano versus micro
The effectiveness of the filters in physical sunscreen depends on factors including the size of the particle, how it’s mixed into the cream or lotion, the amount used and the refraction index (the speed light travels through a substance) of each filter.
When the particle size in physical sunscreens is large, it causes the light to be scattered and reflected more. That means physical sunscreens can be more obvious on the skin, which can reduce their cosmetic appeal.
Nanoparticulate forms of physical sunscreens (with tiny particles smaller than 100 nanometers) can improve the cosmetic appearance of creams on the skin and UV protection, because the particles in this size range absorb more radiation than they reflect. These are sometimes labelled as “invisible” zinc or mineral formulations and are considered safe.
So how do chemical sunscreens work?
Chemical UV filters work by absorbing high-energy UV rays. This leads to the filter molecules interacting with sunlight and changing chemically.
When molecules return to their ground (or lower energy) state, they release energy as heat, distributed all over the skin. This may lead to uncomfortable reactions for people with skin sensitivity.
Generally, UV filters are meant to stay on the epidermis (the first skin layer) surface to protect it from UV radiation. When they enter into the dermis (the connective tissue layer) and bloodstream, this can lead to skin sensitivity and increase the risk of toxicity. The safety profile of chemical UV filters may depend on whether their small molecular size allows them to penetrate the skin.
Chemical sunscreens, compared to physical ones, cause more adverse reactions in the skin because of chemical changes in their molecules. In addition, some chemical filters, such as dibenzoylmethane tend to break down after UV exposure. These degraded products can no longer protect the skin against UV and, if they penetrate the skin, can cause cell damage.
Due to their stability – that is, how well they retain product integrity and effectiveness when exposed to sunlight – physical sunscreens may be more suitable for children and people with skin allergies.
Although sunscreen filter ingredients can rarely cause true allergic dermatitis, patients with photodermatoses (where the skin reacts to light) and eczema have higher risk and should take care and seek advice.
What to look for
The best way to check if you’ll have a reaction to a physical or chemical sunscreen is to patch test it on a small area of skin.
And the best sunscreen to choose is one that provides broad-spectrum protection, is water and sweat-resistant, has a high sun protection factor (SPF), is easy to apply and has a low allergy risk.
Health authorities recommend sunscreen to prevent sun damage and cancer. Chemical sunscreens have the potential to penetrate the skin and may cause irritation for some people. Physical sunscreens are considered safe and effective and nanoparticulate formulations can increase their appeal and ease of use.
Yousuf Mohammed, Dermatology researcher, The University of Queensland and Khanh Phan, Postdoctoral research associate, Frazer Institute, The University of Queensland
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Beating Toxic Positivity
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How To Get Your Brain On A More Positive Track (Without Toxic Positivity)
There have been many studies done regards optimism and health, and they generally come to the same conclusion: optimism is simply good for the health.
Here’s an example we’ve mentioned before, but it’s a good introduction to today’s main feature. It’s a longitudinal study, and it followed 121,700 women (what a sample size!) for eight years. It controlled for all kinds of other lifestyle factors (especially smoking, drinking, diet, and exercise habits, as well as pre-existing medical conditions), so this wasn’t a case of “people who are healthy are more optimistic as results. And, in the researchers’ own words…
❝We found strong and statistically significant associations of increasing levels of optimism with decreasing risks of mortality, including mortality due each major cause of death, such as cancer, heart disease, stroke, respiratory disease, and infection. Importantly, findings were maintained after close control for potential confounding factors, including sociodemographic characteristics and depression❞
Read: Optimism and Cause-Specific Mortality: A Prospective Cohort Study
And yet, toxic positivity can cause as many problems as it tries to fix.
What is toxic positivity?
- Toxic positivity is the well-meaning friend who says “I’m sure it’ll be ok” when you know full well it definitely will not.
- Toxic positivity is the allegorical frog-in-a-pan saying that the temperature rises due to climate change are gradual, so they’re nothing to worry about
- Toxic positivity is thinking that “good vibes” will outperform chemotherapy
Sometimes, a dose of realism is needed. So, can we do that and maintain a positive attitude?
The answer is: somewhat, yes! But first, a quick check-in:
❝I’m not a pessimist; I’m a realist!❞
~ every pessimist ever
To believe self-reports, the world is divided between optimists and realists. But how does your outlook measure up, really?
While like most free online tests, this is offered “as-is” with the usual caveats about not being a clinical diagnostic tool, this one actually has a fair amount of scientific weight behind it:
❝Empirical testing has indicated the validity of the Optimism Pessimism Instrument as published in the scientific journal Current Psychology: Research and Reviews.
The IDRlabs Optimism/Pessimism Test (IDR-OPT) was developed by IDRlabs. The IDR-OPT is based on the Optimism/Pessimism Instrument (OPI) developed by Dr. William Dember, Dr. Stephanie Martin, Dr. Mary Hummer, Dr. Steven Howe, and Dr. Richard Melton, at the University of Cincinnati.❞
Take This Short (1–2 mins) Test
How did you score? And what could you do to improve on that score?
First, it’s said that with a big enough “why”, one can overcome any “how”. So…
An attitude of gratitude
We know, we know, it’s very Oprah Winfrey. But also, it works. Take the time, ideally daily, to quickly list 3–5 things for which you feel grateful. Great or small, it can be anything from your spouse to your cup of coffee, provided you feel fortunate to have it.
How this works: our brains easily get stuck in loops, so it can help to nudge them into a more positive loop.
What about when we are treated unfairly? Are we supposed to be grateful?
Sometimes, our less positive emotions are necessary, to protect us and/or those around us, and to provide a motivational force. We can still maintain a positive attitude by noting the bad thing and some good, but watch out! Notice the difference:
- “How dare they take our healthcare away, but at least I’m not sick right now” (lasting impression: no action required)
- “At least I’m not sick right now, but how dare they take our healthcare away!” (lasting impression: action required)
It’s a well-known idea in neurolinguistic programming, that “but” negates whatever goes before it (think of “I’m sorry but”, or “I’m not racist but”, etc), so use it consciously and wisely, or else simply use “and” instead.
Cognitive reframing: problem, or opportunity?
Most problems can be opportunities, even if the problems themselves genuinely suck and are not intrinsically positive. A way of leveraging this can be replacing “I have to…” with “I get to…”.
This not only can reframe problems as opportunities, but also calls back to the gratitude idea.
- Instead of “I have to get my mammogram / prostate exam” (not generally considered fun activities), “I get to have the peace of mind of being free from cancer / I get to have the forewarning that will keep me safe”.
- Instead of “I have to go to work”, “I get to go to work” (many wish they were in your shoes!)
- Instead of “I have to rest”, “I get to rest”
When things are truly not great
Whether due to internal or external factors, whether you can control something or not, sometimes things are truly not great. The trick here is that in most contexts, one can replace negative talk, with verbally positive talk, no matter how dripping with scathing irony. You’ll still get to express the idea you wanted, but your brain will feel more positive and you’ll be in a positive loop rather than a negative one.
This, by the way, is the inverse of talking to a dog with a tone of voice that is completely the opposite of the meaning of the words. Whereas the dog will interpret the tone only, your brain will interpret the words only.
- You just spilled your drink over yourself at a social function? “Aren’t I the very model of grace and charm?”
- You made a costly mistake in your business dealings? “I am such a genius”
- You just got a diagnosis of a terrible disease? “Well, this is fabulous”
None of these things involve burying your head in the sand, in the manner of toxic positivity. You’ll still learn from your business mistake and correct it as best you can, or take appropriate action regards the disease, for example.
You’ll just feel better while you do it, and not get caught into a negative spiral that ruins your day, or even your next few months.
Sympathetic/Somatic Therapy:
Lastly, an easy one, leveraging the body’s tendency to get in sync with things around us:
For when you do just need a mood change, have an uplifting playlist available at the touch of a button. It’s hard to be consumed with counterproductive feelings to the tune of “Walking on Sunshine”!
Bonus tip: consider having the playlist start with something that is lyrically negative while musically upbeat. That way, your brain won’t resist it as antithetical to your mood, and by the second track, you’ll already be on your way to a better mood.
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How Old Is Too Old For HRT?
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It’s Q&A Day at 10almonds!
Have a question or a request? We love to hear from you!
In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small 😎
❝I think you guys do a great job. Wondering if I can suggest a topic? Older women who were not offered hormone replacement therepy because of a long term study that was misread. Now, we need science to tell us if we are too old to benefit from begininng to take HRT. Not sure how old your readers are on average but it would be a great topic for older woman. Thanks❞
Thank you for the kind words, and the topic suggestion!
About the menopause and older age thereafter
We’ve talked a bit before about the menopause, for example:
What You Should Have Been Told About The Menopause Beforehand
And we’ve even discussed the unfortunate social phenomenon of post-menopausal women thinking “well, that’s over and done with now, time to forget about that”, because spoiler, it will never be over and done with—your body is always changing every day, and will continue to do so until you no longer have a body to change.
This means, therefore, that since changes are going to happen no matter what, the onus is on us to make the changes as positive (rather than negative) as possible:
Menopause, & When Not To Let Your Guard Down
About cancer risk
It sounds like you know this one, but for any who were unaware: indeed, there was an incredibly overblown and misrepresented study, and even that was about older forms of HRT (being conjugated equine estrogens, instead of bioidentical estradiol):
As for those who have previously had breast cancer or similar, there is also:
The Hormone Therapy That Reduces Breast Cancer Risk & More
Is it too late?
Fortunately, there is a quick and easy test to know whether you are too old to benefit:
First, find your pulse, by touching the first two fingers of one hand, against the wrist of the other. If you’re unfamiliar with where to find the pulse at the wrist, here’s a quick explainer.
Or if you prefer a video:
Click Here If The Embedded Video Doesn’t Load Automatically!
Did you find it?
Good; in that case, it’s not too late!
Scientists have tackled this question, looking at women of various ages, and finding that when comparing age groups taking HRT, disease risk changes do not generally vary much by age i.e., someone at 80 gets the same relative benefit from HRT as someone at 50, with no extra risks from the HRT. For example, if taking HRT at 50 reduces a risk by n% compared to an otherwise similar 50-year-old not on HRT, then doing so at 80 reduces the same risk by approximately the same percentage, compared to an otherwise similar 80-year-old not on HRT.
There are a couple of exceptions, such as in the case of already having advanced atherosclerotic lesions (in which specific case HRT could increase inflammation; not something it usually does), or in the case of using conjugated equine estrogens instead of modern bioidentical estradiol (as we talked about before).
Thus, for the most part, HRT is considered safe and effective regardless of age:
How old is too old for hormone therapy?
👆 that’s from 2015 though, so how about a new study, from 2024?
❝Compared with never use or discontinuation of menopausal hormone therapy after age 65 years, the use of estrogen monotherapy beyond age 65 years was associated with significant risk reductions in mortality (19% or adjusted hazards ratio, 0.81; 95% CI, 0.79-0.82), breast cancer (16%), lung cancer (13%), colorectal cancer (12%), congestive heart failure (CHF) (5%), venous thromboembolism (3%), atrial fibrillation (4%), acute myocardial infarction (11%), and dementia (2%).❞
❝Among senior Medicare women, the implications of menopausal hormone therapy use beyond age 65 years vary by types, routes, and strengths. In general, risk reductions appear to be greater with low rather than medium or high doses, vaginal or transdermal rather than oral preparations, and with estradiol rather than conjugated estrogen.❞
Read in full: Use of menopausal hormone therapy beyond age 65 years and its effects on women’s health outcomes by types, routes, and doses
As for more immediately-enjoyable benefits (improved mood, healthier skin, better sexual function, etc), yes, those also are benefits that people enjoy at least into their eighth decade:
See: Use of hormone therapy in Swedish women aged 80 years or older
What about…
Statistically speaking, most people who take HRT have a great time with it and consider it life-changing in a good way. However, nothing is perfect; sometimes going on HRT can have a shaky start, and for those people, there may be some things that need addressing. So for that, check out:
HRT Side Effects & Troubleshooting
And also, while estrogen monotherapy is very common, it is absolutely worthwhile to consider also taking progesterone alongside it:
Progesterone Menopausal HRT: When, Why, And How To Benefit
Enjoy!
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Brown Rice Protein: Strengths & Weaknesses
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.
It’s Q&A Day at 10almonds!
Have a question or a request? We love to hear from you!
In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small
❝I had a friend mention that recent research showed Brown Rice Protein Powder can be bad for you, possibly impacting your nutrient absorption. Is this true? I’ve been using it given it’s one of the few plant-based proteins with a full essential amino acid profile!❞
Firstly: we couldn’t find anything to corroborate the “brown rice protein powder [adversely] impacts nutrient absorption” idea, but we suspect that the reason for this belief is: brown rice (not brown rice protein powder) contains phytic acid, which is something of an antinutrient, in that it indeed reduces absorption of various other nutrients.
However, two things are important to note here:
- the phytic acid is found in whole grains, not in protein isolates as found in brown rice protein powder. The protein isolates contain protein… Isolated. No phytates!
- even in the case of eating whole grain rice, the phytic acid content is greatly reduced by two things: soaking and heating (especially if those two things are combined) ← doing this the way described results in bioavailability of nutrients that’s even better than if there were just no phytic acid, albeit it requires you having the time to soak, and do so at temperature.
tl;dr = no, it’s not true, unless there truly is some groundbreaking new research we couldn’t find—it was almost certainly a case of an understandable confusion about phytic acid.
Your question does give us one other thing to mention though:
Brown rice indeed technically contains all 9 essential amino acids, but it’s very low in several of them, most notably lysine.
However, if you use our Tasty Versatile Rice Recipe, the chia seeds we added to the rice have 100x the lysine that brown rice does, and the black pepper also boosts nutrient absorption.
Because your brown rice protein powder is a rice protein powder and not simply rice, it’s possible that they’ve tweaked it to overcome rice’s amino acid deficiencies. But, if you’re looking for a plant-based protein powder that is definitely a complete protein, soy is a very good option assuming you’re not allergic to that:
Amino Acid Compositions Of Soy Protein Isolate
If you’re wondering where to get it, you can see examples of them next to each other on Amazon here:
Brown Rice Protein Powder | Soy Protein Isolate Powder
Enjoy!
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