Melatonin: A Safe, Natural Sleep Aid?

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Melatonin: A safe sleep supplement?

Melatonin is a hormone normally made in our pineal gland. It helps regulate our circadian rhythm, by making us sleepy.

It has other roles too—it has a part to play in regulating immune function, something that also waxes and wanes as a typical day goes by.

Additionally, since melatonin and cortisol are antagonistic to each other, a sudden increase in either will decrease the other. Our brain takes advantage of this, by giving us a cortisol spike in the morning to help us wake up.

As a supplement, it’s generally enjoyed with the intention of inducing healthy, natural, restorative sleep.

Does it really induce healthy, natural, restorative, sleep?

Yes! Well, “natural” is a little subject and relative, if you’re taking it as a supplement, but it’s something your body produces naturally anyway.

Contrast with, for example, benzodiazepines (that whole family of medications with names ending in -azopan or -alozam), or other tranquilizing drugs that do not so much induce healthy sleep, but rather reduce your brain function and hopefully knock you out, and/but often have unwanted side effects, and a tendency to create dependency.

Melatonin, unlike most of those drugs, does not create dependency, and furthermore, we don’t develop tolerance to it. In other words, the same dose will continue working (we won’t need more and more).

In terms of benefits, melatonin not only reduces the time to fall asleep and increases total sleep time, but also (quite a bonus) improves sleep quality, too:

Meta-Analysis: Melatonin for the Treatment of Primary Sleep Disorders

Because it is a natural hormone rather than a drug with many side effects and interactions, it’s also beneficial for those who need good sleep and/but don’t want tranquilizing:

The Efficacy of Oral Melatonin in Improving Sleep in Cancer Patients with Insomnia: A Randomized Double-Blind Placebo-Controlled Study

Any other benefits?

Yes! It can also help guard against Seasonal Affective Disorder, also called seasonal depression. Because SAD is not just about “not enough light = not enough serotonin”, but also partly about circadian rhythm and (the body is not so sure what time of day it is when there are long hours of darkness, or even, in the other hemisphere / other time of year, long hours of daylight), melatonin can help, by giving your brain something to “anchor” onto, provided you take it at the same time each day. See:

As a small bonus, melatonin also promotes HGH production (important for maintaining bone and muscle mass, especially in later life):

Melatonin stimulates growth hormone secretion through pathways other than the growth hormone-releasing hormone

Anything we should worry about?

Assuming taking a recommended dose only (0.5mg–10mg per day), toxicity is highly unlikely, especially given that it has a half-life of only 40–60 minutes, so it’ll be eliminated quite quickly.

However! It does indeed induce sleepiness, so for example, don’t take melatonin and then try to drive or operate heavy machinery—or, ideally, do anything other than go to bed.

It can interfere with some medications. We mentioned that melatonin helps regulate immune function, so for example that’s something to bear in mind if you’re on immunosuppressants or otherwise have an autoimmune disorder. It can also interfere with blood pressure medications and blood thinners, and may make epilepsy meds less effective.

As ever, if in doubt, please speak with your doctor and/or pharmacist.

Where to get it?

As ever, we don’t sell it (or anything else), but for your convenience, here is an example product on Amazon.

Enjoy!

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  • How To Reduce Salt When You Enjoy Salt

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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!

    No question/request too big or small 😎

    ❝Trying to cut down salt to improve blood pressure, but it just results in sad meals, any advice?❞

    Good news: there are quite a few angles from which to approach this!

    Firstly, you might know that cutting down on sodium, while a worthy pursuit for most people in the industrialized world, isn’t the only way to improve your blood pressure.

    See for example: Hypertension: Factors Far More Relevant Than Salt

    But, let’s say we’re cutting down on sodium, and we will say “sodium” rather than “salt” here, since for example a good and sensible substitution is potassium chloride, which is also a salt (and yes it is also salty to the taste), but does not contain sodium.

    Learn more: Why the WHO has recommended switching to a healthier salt alternative ← notably, most commercial “low-sodium salt” products are a mixture of sodium chloride cut with potassium chloride. Check the labels when shopping, as some have better ratios of potassium:sodium than others (more potassium is better; less sodium is better).

    Another substitution option is monosodium glutamate (MSG) which, as you may gather from the name, does contain sodium, but it has about ⅓ of the sodium content of sodium chloride, i.e. “regular table salt”.

    Learn more: MSG vs. Salt: Sodium Comparison ← here be chemistry

    See also: Sea Salt vs MSG – Which is Healthier?

    For those wary of MSG, please disregard the popular myths, which are simply untrue: Monosodium Glutamate: Sinless Flavor-Enhancer Or Terrible Health Risk?

    You might also wonder about pink Himalayan rock salt. Its imperfections do make it beautiful, but it is still almost entirely sodium chloride, and as such, contains just as much sodium as regular table salt.

    There are more things you can do than just substitutions, though.

    For example, most of most people’s sodium intake comes not from added salt in cooking or at the table, but rather from ultraprocessed foods (see How Likely Is It That Ultra-Processed Foods (UPFs) Will Kill You?). So cutting down on those can do a lot of good even if you’re using salt in your own cooking!

    Further, if (like this writer) you enjoy strong flavors, feel free to go heavy on other seasonings that can fulfil a similar culinary role. For example, garlic granules (great on pasta and potatoes) and coarse ground black pepper (what isn’t it great on?) are very worthy options, as is dried sumac (great in salads). Despite not even tasting salty and therefore definitionally not being salt-substitutes, they nevertheless elicit some comparable gustatory reactions, depending on the food of course.

    Finally, what if for whatever reason you do have a sodium-heavy meal once in a while?

    We’re not going to say “once in a while won’t hurt you”, because sodium raises blood pressure acutely (i.e., in the moment) so once in a while could in fact kill you if your general cardiovascular health is poor.

    But, if you’re just on the cusp of healthy blood pressure want to tip it a bit lower, then if you do have a salty meal once in a while, then here are some things you might want to bear in mind:

    Sodium raises blood pressure because of what it does to our electrolyte balance and how it resultantly affects other aspects of homeostasis (such as osmotic gradients and intracellular pressure and so forth and, yes, blood volume and therefore blood pressure).

    This means that if you do get too much sodium, that can be mitigated at least somewhat by:

    • Drinking more water (but still no more than 1L per hour, please, as your kidneys can’t process more than that and then you’ll have extra problems including, paradoxically, even higher blood pressure)
    • Peeing more (goodbye, sodium)
    • Taking potassium (this is one where supplements are more useful, because if you’ve just eaten a big salty meal, you’re probably not ready eating an entire fruit bowl)

    The potassium thing works because, to oversimplify it a little, it has some opposite functions to sodium and will help balance things out.

    Learn more: Why You’re Probably Not Getting Enough Potassium

    Want to learn more?

    For 94 low-sodium recipes (which are also heart-healthy in other ways too), consider:

    The End of Heart Disease – by Dr. Joel Fuhrman

    Enjoy!

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  • Lemon vs Raspberries – Which is Healthier?

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    Our Verdict

    When comparing lemons to raspberries, we picked the raspberries.

    Why?

    While both have their place, there was a clear winner here:

    In terms of macros, raspberries have more than 2x the fiber for approximately equal carbs and equal (minimal) protein, scoring an easy first-round win.

    In the category of vitamins, lemons have more of vitamins B1, B6, and of course C, while raspberries have more of vitamins A, B2, B3, B5, B7, B9, E, and K, winning a second round.

    Looking at minerals, lemons have more calcium and selenium, while raspberries have more copper, iron, magnesium, manganese, phosphorus, potassium, and zinc, winning their third round in a row.

    When it comes to other considerations, raspberries also have a much higher polyphenol content, winning a fourth round easily.

    Adding up the sections is not difficult arithmetic today; it’s a clear overall win for for raspberries, but by all means do enjoy either or both, as diversity is good!

    Want to learn more?

    You might like:

    21 Most Beneficial Polyphenols & What Foods Have Them

    Enjoy!

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  • What you need to know about PCOS

    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.

    In 2008, microbiologist Sasha Ottey saw her OB-GYN because she had missed some periods. The doctor ran blood tests and gave her an ultrasound, diagnosing her with polycystic ovary syndrome (PCOS). She also told her not to worry, referred her to an endocrinologist (a doctor who specializes in hormones), and told her to come back when she wanted to get pregnant. 

    “I found [that] quite dismissive because that was my reason for presenting to her,” Ottey tells PGN. “I felt that she was missing an opportunity to educate me on PCOS, and that was just not an accurate message: Missing periods can lead to other serious, life-threatening health conditions.” 

    During the consultation with the endocrinologist, Ottey was told to lose weight and come back in six months. “Again, I felt dismissed and left up to my own devices to understand this condition and how to manage it,” she says. 

    Following that experience, Ottey began researching and found that thousands of people around the world had similar experiences with their PCOS diagnoses, which led her to start and lead the advocacy and support organization PCOS Challenge

    PCOS is the most common hormonal condition affecting people with ovaries of reproductive age. In the United States, one in 10 women of childbearing age have the condition, which affects the endocrine and reproductive systems and is a common cause of infertility. Yet, the condition is significantly underdiagnosed—especially among people of color—and under-researched

    Read on to find out more about PCOS, what symptoms to look out for, what treatments are available, and useful resources. 

    What is PCOS, and what are its most common symptoms? 

    PCOS is a chronic hormonal condition that affects how the ovaries work. A hormonal imbalance causes people with PCOS to have too much testosterone, the male sex hormone, which can make their periods irregular and cause hirsutism (extra hair), explains Dr. Melanie Cree, associate professor at the University of Colorado School of Medicine and director of the Multi-Disciplinary PCOS clinic at Children’s Hospital Colorado. 

    This means that people can have excess facial or body hair or experience hair loss. 

    PCOS also impacts the relationship between insulin—the hormone released when we eat—and testosterone. 

    “In women with PCOS, it seems like their ovaries are sensitive to insulin, and so when their ovaries see insulin, [they] make extra testosterone,” Cree adds. “So things that affect insulin levels [like sugary drinks] can affect testosterone levels.”

    Other common symptoms associated with PCOS include:

    • Acne
    • Thinning hair
    • Skin tags or excess skin in the armpits or neck 
    • Ovaries with many cysts
    • Infertility
    • Anxiety, depression, and other mental health conditions
    • Sleep apnea, a condition where breathing stops and restarts while sleeping

    What causes PCOS?

    The cause is still unknown, but researchers have found that the condition is genetic and can be inherited. Experts have found that exposure to harmful chemicals like PFAs, which can be present in drinking water, and BPA, commonly used in plastics, can also increase the risk for PCOS

    Studies have shown that “BPA can change how the endocrine system develops in a developing fetus … and that women with PCOS tend to also have more BPA in their bodies,” adds Dr. Felice Gersh, an OB-GYN and founder and director of the Integrative Medical Group of Irvine, which treats patients with PCOS. 

    How is PCOS diagnosed?

    PCOS is diagnosed through a physical exam; a conversation with your health care provider about your symptoms and medical history; a blood test to measure your hormone levels; and, in some cases, an ultrasound to see your ovaries. 

    PCOS is what’s known as a “diagnosis of exclusion,” Ottey says, meaning that the provider must rule out other conditions, such as thyroid disease, before diagnosing it. 

    Why isn’t more known about PCOS?

    Research on PCOS has been scarce, underfunded, and narrowly focused. Research on the condition has largely focused on the reproductive system, Ottey says, even though it also affects many aspects of a person’s life, including their mental health, appearance, metabolism, and weight. 

    “There is the point of getting pregnant, and the struggle to get pregnant for so many people,” Ottey adds. “[And] once that happens, [the condition] also impacts your ability to carry a healthy pregnancy, to have healthy babies. But outside of that, your metabolic health is at risk from having PCOS, your mental health is at risk, [and] overall health and quality of life, they’re all impacted by PCOS.” 

    People with PCOS are more likely to develop other serious health issues, like high blood pressure, heart problems, high cholesterol, uterine cancer, and diabetes. Cree says that teenagers with PCOS and obesity have “an 18-fold higher risk of type 2 diabetes” in their teens and that teenagers who get type 2 diabetes are starting to die in their late 20s and early 30s. 

    What are some treatments for PCOS?

    There is still no single medication approved by the Food and Drug Administration specifically for PCOS, though advocacy groups like PCOS Challenge are working with the agency to incorporate patient experiences and testimonials into a possible future treatment. Treatment depends on what symptoms you experience and what your main concerns are.

    For now, treatment options include the following:

    • Birth control: Your provider may prescribe birth control pills to lower testosterone levels and regulate your menstrual cycle. 
    • Lifestyle changes: Because testosterone can affect insulin levels, Cree explains that regardless of a patient’s weight, a diet with lower simple carbohydrates (such as candy, sugar, sweets, juices, sodas, and coffee drinks) is recommended.

      “When you have a large amount of sugar like that, especially as a liquid, it gets into your bloodstream very quickly,” adds Cree. “And so you then release a ton of insulin that goes to the ovary, and you make a bunch of testosterone.” 


      More exercise is also recommended for both weight loss and weight maintenance, Cree says: “Food changes and better activity work directly to lower insulin, to lower testosterone.”


    • Metformin: Even though it’s a medication for type 2 diabetes, it’s used in patients with PCOS because it can reduce insulin levels, and as a result, lower testosterone levels. 

    What should I keep in mind if I have (or think I may have) PCOS?

    If your periods are irregular or you have acne, facial hair, or hair loss, tell your provider—it could be a sign that you have PCOS or another condition. And ask questions.

    “I call periods a vital sign for women, if you’re not taking hormones,” Cree says. “Our bodies are really smart: Periods are to get pregnant, and if our body senses that we’re not healthy enough to get pregnant, then we don’t have periods. That means we’ve got to figure out why.” 

    Once you’re diagnosed, Ottey recommends that you “don’t go through extremes, yo-yo dieting, or trying to achieve massive weight loss—it only rebounds.” 

    She adds that “when you get this diagnosis, [there’s] a lot that might feel like it’s being taken away from you: ‘Don’t do this. Don’t eat this. Don’t do that.’ But what I want everyone to think of is what brings you joy, and do more of that and incorporate a lot of healthy activities into your life.” 

    Resources for PCOS patients:

    For more information, talk to your health care provider.

    This article first appeared on Public Good News and is republished here under a Creative Commons license.

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  • Younger For Life – by Dr. Anthony Youn

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    We’ve reviewed anti-aging books before, so what makes this one different? Mostly, it’s the very practical focus.

    Which is not to say there’s not also good science in here; there is. But the focus is on what everything means for the reader, not what happened with a certain cohort of lab mice. Instead, he looks at the causes of aging, the process of aging, and what interventions to implement to address those, and reverse many of them.

    Some parts are more general lifestyle interventions that 10almonds readers will know well already, but other parts are very specific advices, protocols, and regimes; in particular his skincare section is well worth reading. As for nutrition, there’s even a respectable recipes section, so this book does have it all!

    The final section of the book is dedicated to plastic surgeries (the author is a plastic surgeon who believes that most people should not need those, and would do well to stick to the advices in the rest of the book). We suspect this last part of the book will be of least interest to 10almonds readers.

    Bottom line: if you’re of the view that getting older should come with as little as possible physical deterioration along the way, then this book can help a lot with that.

    Click here to check out Younger For Life, and feel great!

    Don’t Forget…

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    Learn to Age Gracefully

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  • Your Simplest Life – by Lisa Turner

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    We probably know how to declutter, and perhaps even do a “unnecessary financial expenditures” audit. So, what does this offer beyond that?

    A large portion of this book focuses on keeping our general life in a state of “flow”, and strategies include:

    • How to make sure you’re doing the right part of the 80:20 split on a daily basis
    • Knowing when to switch tasks, and when not to
    • Knowing how to plan time for tasks
    • No more reckless optimism, but also without falling foul of Parkinson’s Law (i.e. work expands to fill the time allotted to it)
    • Decluttering your head, too!

    When it comes to managing life responsibilities in general, Turner is very attuned to generational differences… Including the different challenges faced by each generation, what’s more often expected of us, what we’re used to, and how we probably initially learned to do it (or not).

    To this end, a lot of strategies are tailored with variations for each age group. Not often does an author take the time to address each part of their readership like that, and it’s really helpful that she does!

    All in all, a great book for simplifying your daily life.

    Click here to check out Your Simplest Life on Amazon today!

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  • Eat Dirt – by Dr. Josh Axe

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    Dr. Axe describes leaky gut as “a serious disease with a silly name”, and hopes for people to take increased intestinal permeability (as it is otherwise known) seriously, because it can be found at the root of very many diseases, especially inflammatory / autoimmune diseases, which obviously also has significant implications for dementia (of which neuroinflammation is a fair part of the pathogenesis) and cancer (which has been described as largely a matter of immune dysfunction).

    He starts strong, albeit anecdotally, with the story of his own mother’s battle with cancer and other diseases, and how her health did a U-turn (for the better) upon taking care of her gut as per the methods described in this book. Dr. Axe doesn’t go so far as to claim the gut-healthy protocol cured her cancer, but makes the (very reasonable) argument that it was a major contributory factor, especially as it was the main input variable that changed.

    The book describes the various things that can go wrong with our gut and why, and for each of them presents a solution.

    Some of it is as you might guess from the title—live a little dirtier, because the ubiquity of antimicrobials is leaving our immune system slack and maladjusted, causing it to varyingly a) turn on us b) not rise to the occasion when an actual pathogen arrives c) often both. Other matters of consideration include normal gut health nutrition (prebiotics and probiotics, skipping inflammatory foods), matters of medication (especially those that harm the gut), nutraceuticals such as Boswellia serrata, and even stress management.

    He provides a program so that the reader can follow along step-by-step, and even a chapter of recipes, but the greatest value in the book is the explanation of gut pathology—because understanding that is foundational to recognizing a lot of things (and he does provide diagnostic questionnaires also, which are helpful).

    Bottom line: if you’d like to improve almost any aspect of your health, then your gut is almost always an excellent place to start, and this book will set you on the right path.

    Click here to check out Eat Dirt, and heal your gut!

    Don’t Forget…

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