In Praise Of Walking – by Dr. Shane O’Mara

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At 10almonds we talk often of the health benefits of walking, so what’s new here?

As the subtitle suggests: a new scientific exploration!

Dr. Shane O’Mara is a professor of experimental brain research—and a keen walker. Combining his profession and his passion, he offers us a uniquely well-grounded perspective.

While the writing style is very readable, there’s a lot of science referenced here, with many studies cited. We love that!

We begin our journey by learning what we have in common with sea squirts, and what we have different from all other apes. What we can learn from other humans, from toddlers to supercentenarians.

As one might expect from a professor of experimental brain research, we learn a lot more about what walking does for our brain, than for the rest of our body. We’ve previously talked about walking and cardiovascular health, and brown adipose tissue, and benefits to the immune system, but this book remains steadfastly focused on the brain.

Which just goes to show, what a lot there is to say for the science-based benefits to our brain health, both neurologically and psychologically!

One of the things at which Dr. O’Mara excels that this reviewer hasn’t seen someone do so well before, is neatly tie together the appropriate “why” and “how” to each “what” of the brain-benefits of walking. Not just that walking boosts mood or creativity or problem-solving, say, but why and how it does so.

Often, understanding that can be the difference between being motivated to actually do it or not!

Bottom line: if there’s a book that’ll get you lacing up your walking shoes, this’ll be the one.

Click here to check out “In Praise of Walking” on Amazon, and start reaping the benefits!

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    In the duel of noodles, egg noodles triumph with their marginally better nutrient profile and healthier fats over carb-heavy rice noodles.

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  • Coffee & Your Gut

    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.

    Coffee, in moderation, is generally considered a healthful drink—speaking for the drink itself, at least! Because the same cannot be said for added sugar, various sorts of creamers, or iced caramelatte mocha frappucino dessert-style drinks:

    The Bitter Truth About Coffee (or is it?)

    Caffeine, too, broadly has more pros than cons (again, in moderation):

    Caffeine: Cognitive Enhancer Or Brain-Wrecker?

    Some people will be concerned about coffee and the heart. Assuming you don’t have a caffeine sensitivity (or you do but you drink decaf), it is heart-neutral in moderation, though there are some ways of preparing it that are better than others:

    Make Your Coffee Heart-Healthier!

    So, what about coffee and the gut?

    The bacteria who enjoy a good coffee

    Amongst our trillions of tiny friends, allies, associates, and enemies-on-the-inside, which ones like coffee, and what kind of coffee do they prefer?

    A big (n=35,214) international multicohort analysis examined the associations between coffee consumption and very many different gut microbial species, and found:

    115 species were positively associated with coffee consumption, mostly of the kind considered “friendly”, including ones often included in probiotic supplements, such as various Bifidobacterium and Lactobacillus species.

    The kind that was most strongly associated with coffee consumption, however, was Lawsonibacter asaccharolyticus, a helpful little beast who converts chlorogenic acid (one of the main polyphenols in coffee) into caffeic acid, quinic acid, and various other metabolites that we can use.

    More specifically: moderate coffee-drinkers, defined as drinking 1–3 cups per day, enjoyed a 300–400% increase in L. asaccharolyticus, while high coffee-drinkers (no, not that kind of high), defined as drinking 4 or more cups of coffee per day, enjoyed a 400–800% increase, compared to “never/rarely” coffee-drinkers (defined as drinking 2 or fewer cups per month).

    Click here to see more data from the study, in a helpful infographic

    Things that did not affect the outcome:

    • The coffee-making method—it seems the bacteria are not fussy in this regard, as espresso or brewed, and even instant, yielded the same gut microbiome benefits
    • The caffeine content—as both caffeinated and decaffeinated yielded the same gut microbiome benefits

    You can read the paper itself in full for here:

    Coffee consumption is associated with intestinal Lawsonibacter asaccharolyticus abundance and prevalence across multiple cohorts

    Want to enjoy coffee, but not keen on the effects of caffeine or the taste of decaffeinated?

    Taking l-theanine alongside coffee flattens the curve of caffeine metabolism, and means one can get the benefits without unwanted jitteriness:

    The Magic Of L-Theanine

    Enjoy!

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  • Generation M – by Dr. Jessica Shepherd

    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.

    Menopause is something that very few people are adequately prepared for despite its predictability, and also something that very many people then neglect to take seriously enough.

    Dr. Shepherd encourages a more proactive approach throughout all stages of menopause and beyond; she discusses “the preseason, the main event, and the after-party” (perimenopause, menopause, and postmenopause), which is important, because typically people take up an interest in perimenopause, are treating it like a marathon by menopause, and when it comes to postmenopause, it’s easy to think “well, that’s behind me now”, and it’s not, because untreated menopause will continue to have (mostly deleterious) cumulative effects until death.

    As for HRT, there’s a chapter on that of course, going into quite some detail. There is also plenty of attention given to popular concerns such as managing weight changes and libido changes, as well as oft-neglected topics such as brain changes, as well as things considered more cosmetic but that can have a big impact on mental health, such as skin and hair.

    The style throughout is pop-science; friendly without skimping on detail and including plenty of good science.

    Bottom line: if you’d like a fairly comprehensive overview of the changes that occur from perimenopause all the way to menopause and well beyond, then this is a great book for that.

    Click here to check out Generation M, and live well at every stage of life!

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  • Glutathione: More Than An Antioxidant

    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.

    Glutathione’s Benefits: The Usual And The Unique

    Glutathione is a powerful antioxidant that does all the things we might reasonably expect an antioxidant to do, plus some beneficial quirks of its own.

    We do make glutathione in our bodies, but we can also get it from our diet, and of course, we can also supplement it.

    What foods is it in?

    It’s in a lot of foods, but some top examples include:

    • turmeric
    • avocado
    • asparagus
    • almonds
    • cruciferous vegetables
    • watermelon
    • garlic

    For a fuller list and discussion, see:

    Glutathione for Food and Health Applications with Emphasis on Extraction, Identification, and Quantification Methods: A Review

    What does it do?

    Let’s start with the obvious; as with most things that are antioxidant, it is also anti-inflammatory. Increasing or decreasing glutathione levels is associated with decreased or increased inflammation, respectively. For example:

    Glutathione S-transferase theta 1 protects against colitis through goblet cell differentiation via interleukin-22

    It being anti-inflammatory also means it can be beneficial in calming autoimmune disorders:

    Glutathione: a key player in autoimmunity

    And to complete the triad of “those three things that generally go together”, yes, this means it also has anticancer potential, but watch out!

    ❝Although in healthy cells [glutathione] is crucial for the removal and detoxification of carcinogens, elevated [glutathione] levels in tumor cells are associated with tumor progression and increased resistance to chemotherapeutic drugs❞

    ~ Dr. Miroslava Cuperlovic-Culf et al.

    Read in full: Role of Glutathione in Cancer: From Mechanisms to Therapies

    So in other words, when it comes to cancer risk management, glutathione is a great preventative, but the opposite of a cure.

    What were those “beneficial quirks of its own”?

    They are mainly twofold, and the first is that it improves insulin sensitivity. There are many studies showing this, but here’s a recent one from earlier this year:

    The Role of Glutathione and Its Precursors in Type 2 Diabetes

    The other main “beneficial quirk of its own” is that it helps prevent and/or reverse non-alcoholic fatty liver disease, as in this study from last year:

    Glutathione: Pharmacological aspects and implications for clinical use in non-alcoholic fatty liver disease

    Because of glutathione’s presence in nuts, fruits, and vegetables, this makes it a great thing to work in tandem with a dietary approach to preventing/reversing NAFLD, by the way:

    How To Unfatty A Fatty Liver

    Anything else?

    It’s being investigated as a potential treatment for Parkinson’s disease symptoms, but the science is young for this one, so there is no definitive recommendation yet in this case. If you’re interested in that, though, do check out the current state of the science at:

    Potential use of glutathione as a treatment for Parkinson’s disease

    Is it safe?

    While there is no 100% blanket statement of safety that can ever be made about anything (even water can kill people, and oxygen ultimately kills everyone that something else doesn’t get first), glutathione has one of the safest general safety profiles possible, with the exception we noted earlier (if you have cancer, it is probably better to skip this one unless an oncologist or similar advises you otherwise).

    As ever, do speak with your doctor/pharmacist to be sure in any case, though!

    Want to try some?

    We don’t sell it, but here for your convenience is an example product on Amazon 😎

    Enjoy!

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Related Posts

  • The Oh She Glows Cookbook – by Angela Liddon
  • Macadamia Nuts vs Brazil Nuts – Which is Healthier?

    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.

    Our Verdict

    When comparing macadamia nuts to Brazil nuts, we picked the Brazil nuts.

    Why?

    They’re a lot more nutrient dense! But watch out…

    First, to do due diligence in terms of macros: Brazil nuts have twice as much protein and less fat, as well as being a little higher in fiber and slightly lower in carbs.

    In terms of vitamins, Brazil nuts are about 10x higher in vitamin E, while macadamias are somewhat higher in several B-vitamins.

    The category of minerals is where it gets interesting. Macadamia nuts are a little higher in iron and considerably higher in Manganese. But… Brazil nuts are a lot higher in calcium, copper, magnesium, phosphorus, potassium, selenium, and zinc.

    About that selenium… Specifically, it’s more than 5,000x higher, and a cup of Brazil nuts would give nearly 10,000x the recommended daily amount of selenium. Now, selenium is an essential mineral (needed for thyroid hormone production, for example), and at the RDA it’s good for good health. Your hair will be luscious and shiny. However, go much above that, and selenium toxicity becomes a thing, you may get sick, and it can cause your (luscious and shiny) hair to fall out. For this reason, it’s recommended to eat no more than 3–4 Brazil nuts per day.

    In short… Brazil nuts are much more nutrient dense in general, and thus come out on top here. But, they’re so nutrient dense in the case of selenium, that careful moderation is advised.

    Want to learn more?

    You might like to read:

    Why You Should Diversify Your Nuts

    Take care!

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  • Get Past Executive Dysfunction

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    In mathematics, there is a thing called the “travelling salesman problem”, and it is hard. Not just subjectively; it is classified in mathematical terms as an “NP-hard problem”, wherein NP stands for “nondeterministic polynomial”.

    The problem is: a travelling salesman must visit a certain list of cities, order undetermined, by the shortest possible route that visits them all.

    To work out what the shortest route is involves either very advanced mathematics, or else solving it by brute force, which means measuring every possible combination order (which number gets exponentially larger very quickly after the first few cities) and then selecting the shortest.

    Why are we telling you this?

    Executive dysfunction’s analysis paralysis

    Executive dysfunction is the state of knowing you have things to do, wanting to do them, intending to do them, and then simply not doing them.

    Colloquially, this can be called “analysis paralysis” and is considered a problem of planning and organizing, as much as it is a problem of initiating tasks.

    Let’s give a simple example:

    You wake up in the morning, and you need to go to the bathroom. But the bathroom will be cold, so you’ll want to get dressed first. However, it will be uncomfortable to get dressed while you still need to use the bathroom, so you contemplate doing that first. Those two items are already a closed loop now. You’re thirsty, so you want to have a drink, but the bathroom is calling to you. Sitting up, it’s colder than under the covers, so you think about getting dressed. Maybe you should have just a sip of water first. What else do you need to do today anyway? You grab your phone to check, drink untouched, clothes unselected, bathroom unvisited.

    That was a simple example; now apply that to other parts of your day that have much more complex planning possible.

    This is like the travelling salesman problem, except that now, some things are better if done before or after certain other things. Sometimes, possibly, they are outright required to be done before or after certain other things.

    So you have four options:

    • Solve the problem of your travelling-salesman-like tasklist using advanced mathematics (good luck if you don’t have advanced mathematics)
    • Solve the problem by brute force, calculating all possible variations and selecting the shortest (good luck getting that done the same day)
    • Go with a gut feeling and stick to it (people without executive dysfunction do this)
    • Go towards the nearest item, notice another item on the way, go towards that, notice a different item on the way there, and another one, get stuck for a while choosing between those two, head towards one, notice another one, and so on until you’ve done a very long scenic curly route that has narrowly missed all of your targetted items (this is the executive dysfunction approach).

    So instead, just pick one, do it, pick another one, do it, and so forth.

    That may seem “easier said than done”, but there are tools available…

    Task zero

    We’ve mentioned this before in the little section at the top of our daily newsletter that we often use for tips.

    One of the problems that leads to executive function is a shortage of “working memory”, like the RAM of a computer, so it’s easy to get overwhelmed with lists of things to do.

    So instead, hold only two items in your mind:

    • Task zero: the thing you are doing right now
    • Task one: the thing you plan to do next

    When you’ve completed task zero, move on to task one, renaming it task zero, and select a new task one.

    With this approach, you will never:

    • Think “what did I come into this room for?”
    • Get distracted by alluring side-quests

    Do not get corrupted by the cursed artefact

    In fantasy, and occasionally science fiction, there is a trope: an item that people are drawn towards, but which corrupts them, changes their motivations and behaviors for the worse, as well as making them resistant to giving the item up.

    An archetypal example of this would be the One Ring from The Lord of the Rings.

    It’s easy to read/watch and think “well I would simply not be corrupted by the cursed artefact”.

    And then pick up one’s phone to open the same three apps in a cycle for the next 40 minutes.

    This is because technology that is designed to be addictive hijacks our dopamine processing, and takes advantage of executive dysfunction, while worsening it.

    There are some ways to mitigate this:

    Rebalancing Dopamine (Without “Dopamine Fasting”)

    …but one way to avoid it entirely is to mentally narrate your choices. It’s a lot harder to make bad choices with an internal narrator going:

    • “She picked up her phone absent-mindedly, certain that this time it really would be only a few seconds”
    • “She picked up her phone for the eleventy-third time”
    • “Despite her plan to put her shoes on, she headed instead for the kitchen”

    This method also helps against other bad choices aside from those pertaining to executive dysfunction, too:

    • “Abandoning her plan to eat healthily, she lingered in the confectionary aisle, scanning the shelves for sugary treats”
    • “Monday morning will be the best time to start my new exercise regime”, she thought, for the 35th week so far this year

    Get pharmaceutical or nutraceutical help

    While it’s not for everyone, many people with executive dysfunction benefit from ADHD meds. However, they have their pros and cons (perhaps we’ll do a run-down one of these days).

    There are also gentler options that can significantly ameliorate executive dysfunction, for example:

    Bacopa Monnieri: A Well-Evidenced Cognitive Enhancer For Focus & More

    Enjoy!

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  • 8 Signs Of Iodine Deficiency You Might Not Expect

    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.

    Health Coach Kait (BSc Nutrition & Exercise) is a certified health and nutrition coach, and today she’s here to talk about iodine—which is important for many of our body functions, from thyroid hormone production to metabolic regulation to heart rate management, as well as more superficial-but-important-too things like our skin and hair.

    Kait’s hitlist

    Here’s what she recommends we look out for:

    • Swollen neck: even a slightly swollen neck might indicate low iodine levels (this is because that’s where the thyroid glands are)
    • Hair loss: iodine is needed for healthy hair growth, so a deficiency can lead to hair loss / thinning hair
    • Dry and flaky skin: with iodine’s role in our homeostatic system not being covered, our skin can dry out as a result
    • Feeling cold all the time: because of iodine’s temperature-regulating activities
    • Slow heart rate: A metabolic slump due to iodine deficiency can slow down the heart rate, leading to fatigue and weakness (and worse, if it persists)
    • Brain fog: trouble focusing can be a symptom of the same metabolic slump
    • Fatigue: this is again more or less the same thing, but she said eight signs, so we’re giving you the eight!
    • Irregular period (if you normally have such, of course): because iodine affects reproductive hormones too, an imbalance can disrupt menstrual cycles.

    For more on each of these, as well as how to get more iodine in your diet, enjoy:

    Click Here If The Embedded Video Doesn’t Load Automatically!

    Further reading

    You might also like to read:

    Take care!

    Don’t Forget…

    Did you arrive here from our newsletter? Don’t forget to return to the email to continue learning!

    Learn to Age Gracefully

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