Water Fluoridation, Atheroma, & More

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It’s Q&A Day at 10almonds!

Have a question or a request? You can always hit “reply” to any of our emails, or use the feedback widget at the bottom!

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 watched a documentary recently on Fluoride in our drinking water & the dangers of it. Why are we poisoning our water?❞

This is a great question, and it certainly is controversial. It sounds like the documentary you watched was predominantly or entirely negative, but there’s a lot of science to back both sides of this, and it’s not even that the science is contradictory (it’s not). It’s that what differs is people’s opinions about whether benefiting one thing is worth creating a risk to another, and that means looking at:

  • What is the risk associated with taking no action (error of omission)?
  • What is the risk associated with taking an action (error of commission)?

The whole topic is worth a main feature, but to summarize a few key points:

  • Water fluoridation is considered good for the prevention of dental cavities
  • Water fluoridation aims to deliver fluoride and doses far below dangerous levels
    • This requires working on consumer averages, though
  • ”Where do we put the safety margins?” is to some extent a subjective question, in terms of trading off one aspect of health for another
  • Too much fluoride can also be bad for the teeth (at least cosmetically, creating little white* spots)
  • Detractors of fluoride tend to mostly be worried about neurological harm
    • However, the doses in public water supplies are almost certainly far below the levels required to cause this harm.
      • That said, again this is working on consumer averages, though.
  • A good guide is: watch your teeth! Those white* spots will be “the canary in the coal mine” of more serious harm that could potentially come from higher levels due to overconsumption of fluorine.

*Teeth are not supposed to be pure white. The “Hollywood smile” is a lie. Teeth are supposed to be a slightly off-white, ivory color. Anything whiter than that is adding something else that shouldn’t be there, or stripping something off that should be there.

❝How does your diet change clean out your arteries of the bad cholesterol?❞

There’s good news and bad news here, and they can both be delivered with a one-word reply:

Slowly.

Or rather: what’s being cleaned out is mostly not the LDL (bad) cholesterol, but rather, the result of that.

When our diet is bad for cardiovascular health, our arteries get fatty deposits on their walls. Cholesterol gets stuck here too, but that’s not the main physical problem.

Our body’s natural defenses come into action and try to clean it up, but they (for example macrophages, a kind of white blood cell that consumes invaders and then dies, before being recycled by the next part of the system) often get stuck and become part of the buildup (called atheroma), which can lead to atherosclerosis and (if calcium levels are high) hardening of the arteries, which is the worst end of this.

This can then require medical attention, precisely because the body can’t remove it very well—especially if you are still maintaining a heart-unhealthy diet, thus continuing to add to the mess.

However, if it is not too bad yet, yes, a dietary change alone will reverse this process. Without new material being added to the arterial walls, the body’s continual process of rejuvenation will eventually fix it, given time (free from things making it worse) and resources.

In fact, your arteries can be one of the quickest places for your body to make something better or worse, because the blood is the means by which the body moves most things (good or bad) around the body.

All the more reason to take extra care of it, since everything else depends on it!

You might also like our previous main feature:

All Things Heart Health

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  • Pineapple vs Passion Fruit – Which is Healthier?

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    Our Verdict

    When comparing pineapple to passion fruit, we picked the passion fruit.

    Why?

    Both are certainly great, and both have won their respective previous comparisons! And this one’s close:

    In terms of macros, passion fruit has about 4x the protein, nearly 2x the carbs, and more than 7x the fiber. So, this one’s a clear and overwhelming win for passion fruit.

    Vitamins are quite close; pineapple has more of vitamins B1, B5, B6, B9, and C, while passion fruit has more of vitamins A, B2, B3, and choline. So, a 5:4 marginal win for pineapple.

    When it comes to minerals, pineapple has more calcium, copper, manganese, and zinc, while passion fruit has more iron, manganese, phosphorus, potassium, and selenium. Superficially, this would be a 5:5 tie, but looking at the numbers, passion fruit’s margins of difference are much greater, which means it gives the better overall mineral coverage, and thus wins the category.

    Looking at polyphenols, pineapple wins this category with its variety of lignans, while passion fruit has just secoisolariciresinol, of which pineapple has more anyway. Plus, not a polyphenol but doing much of the same job of same, pineapple has bromelain, which is unique to it. So pineapple wins on the phytochemicals reckoning.

    Adding up the sections and weighting them for importance (e.g. what a difference it makes to health) and statistical relevance (e.g. greater or smaller margins of difference) makes for a nominal passion fruit win, but like we say, both of these fruits are great, so enjoy both!

    Want to learn more?

    You might like to read:

    Bromelain vs Inflammation & Much More

    Take care!

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  • The Book Of Hormones – by Dr. Shweta Patel

    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.

    The subtitle promising “through every stage of life” is a slight overstatement, as the book barely touches on puberty, but we know that the vast majority of our readers have left that one far behind in the past, so probably this is not such an issue.

    Where the book gives more attention is in general adult life, through the years of potential fertility, into menopause and beyond. This means lots about the hormonal fluctuations inherent to the menstrual cycle (both the normal, and the still-quite-commonly abnormal, e.g. in cases of PCOS etc), the before-during-after of pregnancy, and many hormonal matters that are not related to sex hormones, such as stress-related hormones and food-related hormones. As such, the book certainly lives up to its title; it is indeed “the book of hormones”.

    The style is light and conversational; we get a lot of lessons in chemistry here, but it never feels like it, and there’s certainly no hard science, just clear and easy explanations.

    Bottom line: if you’d like to understand hormones quite comprehensively but in a light-hearted manner, this book is a very pleasant and educational read.

    Click here to check out The Book Of Hormones, and understand them!

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  • Where Nutrition Meets Habits!

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    Where Nutrition Meets Habits…

    This is Claudia Canu, MSc., INESEM. She’s on a mission to change the way we eat:

    Often, diet is a case of…

    • Healthy
    • Easy
    • Cheap

    (choose two)

    She wants to make it all three, and tasty too. She has her work cut out for her, but she’s already blazed quite a trail personally:

    Nine months before turning 40 years old, I set a challenge for myself: Arrive to the day I turn 40 as the best possible version of myself, physically, mentally and emotionally.❞

    ~ Claudia Canu

    In Her Own Words: My Journey To My Healthy 40s

    And it really was quite a journey:

    For those of us who’d like the short-cut rather than a nine-month quasi-spiritual journey… based on both her experience, and her academic and professional background in nutrition, her main priorities that she settled on were:

    • Making meals actually nutritionally balanced, which meant re-thinking what she thought a meal “should” be
    • Making nutritionally balanced meals that didn’t require a lot of skill and/or resources
    • That’s it!

    But, easier said than done… Where to begin?

    She shares an extensive list of recipes, from meals to snacks (I thought I was the only one who made coffee overnight oats!), but the most important thing from her is:

    Claudia’s 10 Guiding Principles:

    1. Buy only fresh ingredients that you are going to cook yourself. If you decide to buy pre-cooked ones, make sure they do not have added ingredients, especially sugar (in all its forms).
    2. Use easy and simple cooking methods.
    3. Change ingredients every time you prepare your meals.
    4. Prepare large quantities for three or four days.
    5. Store the food separately in tightly closed Tupperware.
    6. Organize yourself to always have ready-to-eat food in the fridge.
    7. When hungry, mix the ingredients in the ideal amounts to cover the needs of your body.
    8. Chew well and take the time to taste your food.
    9. Eat foods that you like and enjoy.
    10. Do not overeat but don’t undereat either.

    We have only two quibbles with this fine list, which are:

    About Ingredients!

    Depending on what’s available around you, frozen and/or tinned “one-ingredient” foods can be as nutritional as (if not more nutritional than) fresh ones. By “one-ingredient” foods here we mean that if you buy a frozen pack of chopped onions, the ingredients list will be: “chopped onions”. If you buy a tin of tomatoes, the ingredients will say “Tomatoes” or at most “Tomatoes, Tomato Juice”, for example.

    She does list the ingredients she keeps in; the idea that with these in the kitchen, you’ll never be in the position of “oh, we don’t have much in, I guess it’s a pizza delivery night” or “well there are some chicken nuggets at the back of the freezer”.

    Check Out And Plan: 10 Types Of Ingredients You Should Always Keep In Your Kitchen

    Here Today, Gone Tomorrow?

    Preparing large quantities for three or four days can result in food for one or two days if the food is unduly delicious

    But! Claudia has a remedy for that:

    Read: How To Eliminate Food Cravings And What To Do When They Win

    Anyway, there’s a wealth of resources in the above-linked pages, so do check them out!

    Perhaps the biggest take-away is to ask yourself:

    “What are my guiding principles when it comes to food?”

    If you don’t have a ready answer, maybe it’s time to tackle that—whether Claudia’s way or your own!

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  • Loss, Trauma, and Resilience – by Dr. Pauline Boss

    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.

    Most books about bereavement are focused on grieving healthily and then moving on healthily. And, while it may be said “everyone’s grief is on their own timescale”… society’s expectation is often quite fixed:

    “Time will heal”, they say.

    But what if it doesn’t? What happens when that’s not possible?

    Ambiguous loss occurs when someone is on the one hand “gone”, but on the other hand, not necessarily.

    This can be:

    • Someone was lost in a way that didn’t leave a body to 100% confirm it
      • (e.g. disaster, terrorism, war, murder, missing persons)
    • Someone remains physically present but in some ways already “gone”
      • (e.g. Alzheimer’s disease or other dementia, brain injury, coma)

    These things stop us continuing as normal, and/but also stop us from moving on as normal.

    When either kind of moving forward is made impossible, everything gets frozen in place. How does one deal with that?

    Dr. Boss wrote this book for therapists, but its content is equally useful for anyone struggling with ambiguous loss—or who has a loved one who is, in turn, struggling with that.

    The book looks at the impact of ambiguous loss on continuing life, and how to navigate that:

    • How to be resilient, in the sense of when life tries to break you, to have ways to bend instead.
    • How to live with the cognitive dissonance of a loved one who is a sort of “Schrödinger’s person”.
    • How, and this is sometimes the biggest one, to manage ambiguous loss in a society that often pushes toward: “it’s been x period of time, come on, get over it now, back to normal”

    Will this book heal your heart and resolve your grief? No, it won’t. But what it can do is give a roadmap for nonetheless thriving in life, while gently holding onto whatever we need to along the way.

    Click here to check out “Ambiguous loss, Trauma, and Resilience” on Amazon—it can really help

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  • The Link Between Introversion & Sensory Processing

    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.

    We’ve talked before about how to beat loneliness and isolation, and how that’s important for all of us, including those of us on the less social end of the scale.

    However, while we all need at least the option of social contact in order to be at our best, there’s a large portion of the population who also need to be able to retreat to somewhere quiet to recover from too much social goings-on.

    Clinically speaking, this sometimes gets called introversion, or at least a negative score for extroversion on the “Big Five Inventory”, the only personality-typing system that actually gets used in science. Today we’re going to be focusing on a term that typically gets applied to those generally considered introverts:

    The “highly sensitive person”

    This makes it sound like a very rare snowflake condition, when in fact the diagnostic criteria yield a population bell curve of 30:40:30, whereupon 30% are in the band of “high sensitivity”, 40% “normal sensitivity” and the remaining 30% “low sensitivity”.

    You may note that “high” and “low” together outnumber “normal”, but statistics is like that. It is interesting to note, though, that this statistical spread renders it not a disorder, so much as simply a description.

    You can read more about it here:

    Sensory-processing sensitivity and its relation to introversion and emotionality

    What it means in practical terms

    Such a person will generally seek solitude more frequently during the day than others will, and it’s not because of misanthropy (at least, statistically speaking it’s not; can’t speak for individuals!), but rather, it’s about needing downtime after what has felt like too much sensory processing resulting:

    The Effects of Multifaceted Introversion and Sensory Processing Sensitivity on Solitude-Seeking Behavior

    If this need for solitude is not met (sometimes it’s simply not practicable), then it can lead to overwhelm.

    Sidenote about overwhelm: pick your battles! No, pick fewer than that. Put some back. That’s still too many 😜

    Back to seriousness: if you’re the sort of person to walk into a room and immediately do the Sherlock Holmes thing of noticing everything about everyone, who is doing what, what has changed about the room since last time you were there, etc… Then that’s great; it’s a sign of a sharp mind, but it’s also a lot of information to process and you’re probably going to need a little decompression afterwards:

    Experiences of Adults High in the Personality Trait Sensory Processing Sensitivity: A Qualitative Study

    This is the biological equivalent of needing to let an overworked computer or phone cool down after excessive high-intensity use of its CPU.

    The same goes if you’re the sort of person who goes into “performance mode” when in company, is “the life and soul of the party” etc, and/or perhaps “the elegant hostess”, but needs to then collapse afterwards because it’s more of a role you play than your natural inclination.

    Take care of your battery

    To continue the technological metaphor from earlier, if you repeatedly overuse a device without allowing it cooldown periods, it will break down (and if it’s a certain generation of iPhone, it might explode).

    Similarly, if you repeatedly overuse your own highly sensitive senses (such as being often in social environment where there’s a lot going on) without allowing yourself adequate cooldown periods, you will break down (or indeed, explode: not literally, but some people are prone to emotional outbursts after bottling things up).

    None of this is good for the health, not in the short term and not in the long term, either:

    Sensory processing sensitivity as a predictor of health-related quality of life outcomes via stress and sleep quality

    With that in mind, take care to take care of yourself, meeting your actual needs instead of just those that get socially assumed.

    Want to take the test?

    Here’s a two-minute test (results available immediately right there on-screen; no need to give your email or anything) 😎

    Want to know more?

    We reviewed this book about playing to one’s strengths in the context of sensitivity, a while back, and highly recommend it:

    Sensitive – by Jenn Granneman and Andre Sólo

    Enjoy!

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  • How Much Can Hypnotherapy Really Do?

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    Sit Back, Relax, And…

    In Tuesday’s newsletter, we asked you for your opinions of hypnotherapy, and got the above-depicted, below-described, set of responses:

    • About 58% said “It is a good, evidenced-based practice that can help alleviate many conditions”
    • Exactly 25% said “It is a scam and sham and/or wishful thinking at best, and should be avoided by all”
    • About 13% said “It works only for those who are particularly suggestible—but it does work for them”
    • One (1) person said “It is useful only for brain-centric conditions e.g. addictions, anxiety, phobias, etc”

    So what does the science say?

    Hypnotherapy is all in the patient’s head: True or False?

    True! But guess which part of your body controls much of the rest of it.

    So while hypnotherapy may be “all in the head”, its effects are not.

    Since placebo effect, nocebo effect, and psychosomatic effect in general are well-documented, it’s quite safe to say at the very least that hypnotherapy thus “may be useful”.

    Which prompts the question…

    Hypnotherapy is just placebo: True or False?

    False, probably. At the very least, if it’s placebo, it’s an unusually effective placebo.

    And yes, even though testing against placebo is considered a good method of doing randomized controlled trials, some placebos are definitely better than others. If a placebo starts giving results much better than other placebos, is it still a placebo? Possibly a philosophical question whose answer may be rooted in semantics, but happily we do have a more useful answer…

    Here’s an interesting paper which: a) begins its abstract with the strong, unequivocal statement “Hypnosis has proven clinical utility”, and b) goes on to examine the changes in neural activity during hypnosis:

    Brain Activity and Functional Connectivity Associated with Hypnosis

    It works only for the very suggestible: True or False?

    False, broadly. As with any medical and/or therapeutic procedure, a patient’s expectations can affect the treatment outcome.

    And, especially worthy of note, a patient’s level of engagement will vastly affect it treatment that has patient involvement. So for example, if a doctor prescribes a patient pills, which the patient does not think will work, so the patient takes them intermittently, because they’re slow to get the prescription refilled, etc, then surprise, the pills won’t get as good results (since they’re often not being taken).

    How this plays out in hypnotherapy: because hypnotherapy is a guided process, part of its efficacy relies on the patient following instructions. If the hypnotherapist guides the patient’s mind, and internally the patient is just going “nope nope nope, what a lot of rubbish” then of course it will not work, just like if you ask for directions in the street and then ignore them, you won’t get to where you want to be.

    For those who didn’t click on the above link by the way, you might want to go back and have a look at it, because it included groups of individuals with “high/low hypnotizability” per several ways of scoring such.

    It works only for brain-centric things, e.g. addictions, anxieties, phobias, etc: True or False?

    False—but it is better at those. Here for example is the UK’s Royal College of Psychiatrists’ information page, and if you go to “What conditions can hypnotherapy help to treat”, you’ll see two broad categories; the first is almost entirely brain-stuff; the second is more varied, and includes pain relief of various kinds, burn care, cancer treatment side effects, and even menopause symptoms. Finally, warts and other various skin conditions get their own (positive) mention, per “this is possible through the positive effects hypnosis has on the immune system”:

    RCPsych | Hypnosis And Hypnotherapy

    Wondering how much psychosomatic effect can do?

    You might like this previous article; it’s not about hypnotherapy, but it is about the difference the mind can make on physical markers of aging:

    Aging, Counterclockwise: When Age Is A Flexible Number

    Take care!

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