The Evidence-Based Skincare That Beats Product-Specific Hype
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A million videos on YouTube will try to sell you a 17-step skincare routine, or a 1-ingredient magical fix that’s messy and inconvenient enough you’ll do it once and then discard it. This one takes a simple, scientific approach instead.
The Basics That Count
Ali Abdaal, known for his productivity hacks channel, enlisted the help of his friend, dermatologist Dr. Usama Syed, who recommends the following 3–4 things:
- Moisturize twice per day. Skin acts as a barrier, locking in moisture and protecting against irritants. Moisturizers replenish fats and proteins, maintaining this barrier and preventing dry, inflamed, and itchy skin. He uses CeraVe, but if you have one you know works well with your skin, stick with that, because skin comes in many varieties and yours might not be like his.
- Use sunscreen every day. Your phone’s weather app should comment on your local UV index. If it’s “moderate” or above, then sunscreen is a must—even if you aren’t someone who burns easily at all, the critical thing here is avoiding UV radiation causing DNA mutations in skin cells, leading to wrinkles, dark spots, and potentially skin cancer. Use a broad-spectrum sunscreen, ideally SPF 50.
- Use a retinoid. Retinoids are vitamin A-based and offer anti-aging benefits by promoting collagen growth, reducing pigmentation, and accelerating skin cell regeneration. Retinols are weaker, over-the-counter options, while stronger retinoids may require a prescription. Start gently with low dosage, whatever you choose, as initially they can cause dryness or sensitivity, before making everything better. He recommends adapalene as a starter retinoid (such as Differen gel, to give an example brand name).
- Optional: use a cleanser. Cleansers remove oils and dirt that water alone can’t. He recommends using a hydrating cleanser, to avoid stripping natural healthy oils as well as unwanted ones. That said, a cleanser is probably only beneficial if your skin tends towards the oily end of the dry-to-oily spectrum.
For more on all of these, plus an example routine, enjoy:
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Is Dairy Scary?
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Is Dairy Scary?
Milk and milk products are popularly enjoyed as a good source of calcium and vitamin D.
In contrast, critics of dairy products (for medical reasons, rather than ethical, which is another matter entirely and beyond the scope of this article) point to risks of cancer, heart disease, and—counterintuitively—osteoporosis. We’ll focus more on the former, but touch on the latter two before closing.
Dairy & Cancer
Evidence is highly conflicting. There are so many studies with so many different results. This is partially explicable by noting that not only is cancer a many-headed beast that comes in more than a hundred different forms and all or any of them may be affected one way or another by a given dietary element, but also… Not all milk is created equal, either!
Joanna Lampe, of the Public Health Sciences division, Fred Hutchinson Cancer Research Center in Seattle, writes:
❝Dairy products are a complex group of foods and composition varies by region, which makes evaluation of their association with disease risk difficult. For most cancers, associations between cancer risk and intake of milk and dairy products have been examined only in a small number of cohort studies, and data are inconsistent or lacking❞
In her systematic review of studies, she noted, for example, that:
- Milk and dairy products contain micronutrients and several bioactive constituents that may influence cancer risk and progression
- There’s probable association between milk intake and lower risk of colorectal cancer
- There’s a probable association between diets high in calcium and increased risk of prostate cancer
- Some studies show an inverse association between intake of cultured dairy products and bladder cancer (i.e., if you eat yogurt you’re less likely to get bladder cancer)
Since that systemic review was undertaken, more research has been conducted, and the results are… Not conclusive, but converging towards a conclusion:
- Dairy products can increase or decrease cancer risk
- The increase in cancer risk seems strongest when milk is consumed in quantities that result in too much calcium. When it comes to calcium, you can absolutely have too much of a good thing—just ask your arteries!
- The decrease in cancer seems to be mostly, if not exclusively, from fermented dairy products. This usually means yogurts. The benefit here is not from the milk itself, but rather from the gut-friendly bacteria.
You may be wondering: “Hardened arteries, gut microbiome health? I thought we were talking about cancer?” and yes we are. No part of your health is an island unrelated to other parts of your health. One thing can lead to another. Sometimes we know how and why, sometimes we don’t, but it’s best to not ignore the data.
The bottom line on dairy products and cancer is:
- Consuming dairy products in general is probably fine
- Yogurt, specifically, is probably beneficial
Dairy and Heart Disease
The reason for the concern is clear enough: it’s largely assumed to be a matter of saturated fat intake.
The best combination of “large” and “recent” that we found was a three-cohort longitudinal study in 2019, which pretty much confirms what was found in smaller or less recent studies:
- There is some evidence to suggest that consumption of dairy can increase all-cause mortality in general, and death from (cancer and) cardiovascular disease in particular
- The evidence is not, however, overwhelming. It is marginal.
Dairy and Osteoporosis
Does dairy cause osteoporosis? Research here tends to fall into one of two categories when it comes to conclusions, so we’ll give an example of each:
- “Results are conflicting, saying yes/no/maybe, and basically we just don’t know”
- “Results are conflicting, but look: cross-sectional and case-control studies say yes; cohort studies say maybe or no; we prefer the cohort studies”
See them for yourself:
- Osteoporosis: Is milk a kindness or a curse?
- Consumption of milk and dairy products and risk of osteoporosis and hip fracture
Conclusion: really, the jury is very much still out on this one
Summary:
- Moderate consumption of dairy products is almost certainly fine
- More specifically: it probably has some (small) pros and some (small) cons
- Yogurt is almost certainly healthier than other dairy products, and is almost universally considered a healthy food (assuming not being full of added sugar etc, of course)
- If you’re going to have non-dairy alternatives to milk, choose wisely!
That’s all we have time for today, but perhaps in a future edition we’ll do a run-down of the pros and cons of various dairy alternatives!
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Pulse – by Jenny Chandler
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Beans, chickpeas, and lentils are well-established super-healthy foods, but they’re often not a lot of people’s favorite. And why? Usually because of unhappy associations with boring dishes that can barely be called dishes.
This book raises the bar for pulses of various kinds, and not only provides recipes (180 of them) but also guidelines on principles, tips and tricks, what works and what doesn’t, what makes things better or worse, perfect partners, sprouting, and more.
The recipes themselves are not all vegan, nor even all vegetarian, but the beans are the star throughout. For those who are vegan or vegetarian, it’s easy to make substitutions, not least of all because the author is generous with “try this instead of that” and “consider also” suggestions, to help us tailor each dish to our personal preferences, and even the desired vibe of a given meal.
The dishes are neither overly simplistic (it’s not a student survival cookbook, by any means) nor overly complicated; rather, enough is done to make each dish invitingly tasty, and nothing extraneous or pretentious is added for the sake of being fancy. This is about delicious home cooking, nothing more nor less.
If the book has a weakness, it’s that visual learners will feel the absence of pictures for many recipes. But, the text is clear, the instructions are easy to follow, and a photo for each dish would probably have doubled the cost of the book, at least, while halving the number of recipes.
Bottom line: if you’d like to get more beans and other pulses in your diet, but are unsure how to make it exciting, this is an excellent option.
Click here to check out Pulse, and expand your kitchen repertoire!
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Put Your Feet Up! (Against A Wall, For 20 Minutes)
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Feel free to browse our articles while you do
Here are 10 good reasons to give it a try; there are another 10 in the short (3:18) video:
- Improves blood circulation
- Improves blood pressure
- Relaxes the body as a whole
- Alleviates lower back tension
- Eases headaches and migraines
- Reduces knee pain
- Relieves swelling in feet and ankles
- Improves lymphatic flow
- Stretches the hamstrings (and hip flexors, if you do it wide)
- Helps quiet the mind
As for the rest…
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PS: about that circulation… As a general rule of thumb, anything that slightly confuses the heart (anatomically, not romantically) will tend to have a beneficial effect, in moderation. This goes for being upside-down (as is partly the case here), and also for high-intensity interval training (HIIT):
How To Do HIIT (Without Wrecking Your Body)
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Top Foods Against Neuroinflammation
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Chronic inflammation is something you might feel in your joints, but it will usually be in the brain too. There, neuroinflammation can disrupt brain function, affecting stress responses, mood, cognition, and even alter brain structure. It’s also heavily implicated in the pathogenesis of various forms of dementia.
What to do about it
Dr. Tracey Marks, psychiatrist, bids us eat:
- Fatty fish: omega-3-rich fish like salmon reduce neuroinflammation.
- Leafy greens: spinach, kale, and collards protect brain cells and support neurotransmitter production.
- Berries: blueberries and strawberries improve memory and protect neurons.
- Nuts and seeds: walnuts, almonds, and flaxseeds support brain health and reduce inflammation.
- Turmeric: curcumin combats inflammation and supports neuron growth (best with supplements).
- Fermented foods: yogurt and sauerkraut improve gut health, benefiting the brain via the gut-brain axis; not just the vagus nerve, but also, remember that various neurotransmitters (including serotonin) are made in the gut.
Of course, you should also avoid alcohol, nicotine, red meat, processed meat, and ideally also white flour products, and sugary foods (unless they are also rich in fiber, like whole fruit).
For more on each of these, enjoy:
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Want to learn more?
You might also like to read:
How to Prevent (or Reduce) Inflammation
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8 Signs Of Hypothyroidism Beyond Tiredness & Weight Gain
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When it comes to hypothyroidism, most people know to look out for tiredness and weight gain, and possibly menstrual disturbances in those who menstruate. But those symptoms could be caused by very many things, so what more specific signs and symptoms of hypothyroidism should we look out for?
Dr. James O’Donovan shows us in this short video:
The lesser-known signs
Dr. O’Donovan discusses:
- Asteatotic eczema (also called: eczema craquelé): dry, cracked skin with a “crazy paving” appearance, leading to fissures. It’s common on the lower legs, back, torso, and arms, especially in older patients and especially in winter.
- Cold peripheries with pale, dry, coarse skin: cold hands and feet, along with dryness due to decreased sweating; these invariably come together, though the exact link is unclear.
- Yellowish hue to the skin (carotenoderma): yellow-orange discoloration from elevated beta-carotene levels. This can easily be mistaken for jaundice and also occurs in diabetes, liver, and kidney diseases.
- Thin, brittle hair: the hair on one’s head may become dry, coarse, and fall out in handfuls.
- Loss of hair on the outer third of eyebrows: thinning or disappearance of hair in this very specific area.
- Slow-growing, rigid, brittle nails: slowed nail growth due to decreased cell turnover rate. Ridges may form as keratin cells accumulate.
- Myxedema: puffy face, eyelids, legs, and feet caused by tissue swelling from cutaneous deposition.
- Delayed wound healing: is what it sounds like; a slower healing process.
10almonds note: this video, like much of medical literature as well, does focus on what things are like for white people. Black people with hypothyroidism are more likely to see a lightening of hair pigmentation, and, in contrast, hyperpigmentation of the skin, usually in patches. We couldn’t find data for other ethnicities or skintones, but it does seem that most of the signs and symptoms (unrelated to pigmentation) should be the same for most people.
Meanwhile, for more on the above 8 signs, with visuals, enjoy:
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Want to learn more?
You might also like to read:
The Three Rs To Boost Thyroid-Related Energy Levels
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Your Health Audit, From Head To Toe
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Health Audit Time
Here at 10almonds, we often cover quite specific things, ranging from “the effect of sodium on organs other than your heart” to “make this one small change to save your knees while driving”.
But, we’re each a whole person, and we need to take care of the whole organism that makes up the wonderful being that we each are. If we let one part of it drop in health too much, the others will soon follow suit because of the knock-on effects.
So, let’s do a quick self-check-up, and see what can be done for each! How’s your…
Mental Health
We’re doing this audit head-to-to, so let’s start it here, because mental health is also just health, and it’s difficult to tackle the others without having this one at least under control!
Are you experiencing chronic stress? Anxiety? Depression? Joy?
If you answered “no” to “joy” but also “no” to “depression”, you might want to rethink your answer to “depression”, by the way. Life should be a joyous thing!
Some resources to address your mental health:
Brain Health
Your brain is a big, powerful organ. It uses more of your daily energy (in the physiological sense of the word, we’re talking calories and mitochondria and ATP) than any other organ, by far.
And when it comes to organ failure, if your brain fails, then having the best joints in the world won’t help you, for example.
Some resources to address your brain health:
- Brain Food? The Eyes Have It
- How To Reduce Your Alzheimer’s Risk
- The 6 Dimensions Of Sleep (And Why They Matter)
Heart Health
Everything depends on your heart, head to toe. Tirelessly pumping blood with oxygen, nutrients, and agents of your immune system all around your body, all day every day for your entire life.
What’s your resting heart rate like? How about your blood pressure? And while we’re on the topic of blood… how’s your blood sugar health?
These are all important things to a) know about and b) keep on top of!
Some resources to address your heart health:
- 1-Minute Heart Health Check-Up Tips
- A Five-Point Plan For Heart Health
- High Blood Pressure? Try These!
Gut Health
By cell count, we’re about 10% human and 90% bacteria. By gene count, also. Pretty important, therefore, that we look after our trillions of tiny friends that keep our organism working.
Most people in N. America, for example, get vastly under the recommended daily amount of fiber, and that’s just the most basic courtesy we could do for these bugs that keep us alive (they need that fiber to live, and their process of consuming it is beneficial to us in a stack of ways).
Some resources to address your gut health:
- Making Friends With Your Gut (You Can Thank Us Later)
- The Surprising Link Between Gut Health And Serotonin
- The Vagus Nerve: The Brain-Gut Highway!
Hormonal Health
Hormones are weird and wonderful and affect so much more than the obvious sex-related functions (but yes, those too). A lot of people don’t realize it, but having our hormones in good order or not can make the difference between abject misery and a happy, fulfilling life.
Some resources to address your hormonal health:
- What Does “Balance Your Hormones” Even Mean?
- Healthy Hormones And How To Hack Them
- Too Much Or Too Little Testosterone?
Bone/Joint Health
Fear nothing! For you are a ghost operating a skeleton clad in flesh. But also, you know, look after that skeleton; you only get one! Being animals, we’re all about movement, and being humans, we’ve ended up with some lifestyle situations that aren’t great for that mobility. We sit too much; we walk too little; we cramp ourselves into weird positions (driving, anyone?), and we forget the range of motion we’re supposed to have. But let’s remember…
Some resources to address your bone/joint health:
- Collagen’s benefits are more than skin deep
- Cool As A Cucumber (Move Over, Glucosamine + Chondroitin)
- 5 Best Bodyweight Exercises For Incredible Mobility
Lastly…
While it’s good to do a little self-audit like this every now and again, it’s even better to get a professional check-up!
As engineers say: if you don’t schedule time for maintenance, your equipment will schedule it for you.
Don’t Forget…
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