Seven and a Half Lessons About the Brain – by Dr. Lisa Feldman Barrett
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We’ve reviewed books about neurology before, and we always try to review books that bring something new/different. So, what makes this one stand out?
Dr. Lisa Feldman Barrett, one of the world’s foremost neuroscientists, starts with an overview of how our unusual brain (definitely our species’ defining characteristic) came to be, and then devotes the rest of the book to mostly practical information.
She explains, in clear terms and without undue jargon, how the brain goes about such things as making constant predictions and useful assumptions about our environment, and reports these things to us as facts—which process is usually useful, and sometimes counterproductive.
We learn about how the apparently mystical trait of empathy works, in real flesh-and-blood terms, and why some kinds of empathy are more metabolically costly than others, and what that means for us all.
Unlike many such books, this one also looks at what is going on in the case of “different minds” that operate very dissimilarly to our own, and how this neurodiversity is important for our species.
Critically, she also looks at what else makes our brains stand out, the symphony of “5 Cs” that aren’t often found to the same extent all in the same species: creativity, communication, copying, cooperation, and compression. This latter being less obvious, but perhaps the most important; Dr. Feldman Barrett explains how we use this ability to layer summaries of our memories, perceptions, and assumptions, to allow us to think in abstractions—something that powers much of what we do that separates us from other animals.
Bottom line: if you’d like to learn more about that big wet organ between your ears, what it does for you, and how it goes about doing it, then this book gives a very practical foundation from which to build.
Click here to check out Seven and a Half Lessons about the Brain, and learn more about yours!
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10 Lessons For A Healthy Mind & Body
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Sadia Badiei, food scientist of “Pick Up Limes” culinary fame, has advice in and out of the kitchen:
Pick up a zest for life
Here’s what she picked up, and we all can too:
- “I can’t do it… yet”: it’s never too late to adopt a growth mindset by adding “yet” to your self-doubt, focusing on progress and the possibility of improvement.
- The spotlight effect: people are generally too absorbed in their own lives to focus on you, so don’t worry too much about others’ perceptions.
- Nutrition by addition: focus on adding healthier foods to your diet rather than eliminating the less healthy ones to avoid restrictive mindsets. You can still eliminate the less healthy ones if you want to! It just shouldn’t be the primary focus. Focusing on a conceptually negative thing is rarely helpful.
- It’s ok to change: embrace change as a sign of growth and evolution, rather than seeing it as a failure or waste of time.
- The way you do one thing is the way you do everything: be mindful of how you approach small tasks, regular tasks, boring tasks, unwanted tasks—you can either create a habit of enthusiasm or a habit of suffering (it’s entirely your choice which)
- Setting goals for success: set goals based on actions you can control (inputs) rather than outcomes that are uncertain. Less “lose 10 lbs”, and more “eat fiber before starch”, for example.
- You probably can’t have it all at once: you can achieve all your dreams, but often not simultaneously; goals and desires unfold in stages over time.
- The five-year rule: before adopting a new lifestyle or habit, ask yourself if you can realistically sustain it for five years to ensure it’s not just a short-term fix. If you struggle with this prognostic, look backwards first instead. Which healthy habits have you maintained for decades, and which were you never able to make stick?
- Are you afraid or excited?: reframe fear as excitement, as both emotions share similar physical sensations and signify that you care about the outcome.
- The voice you hear most: speak kindly to yourself in self-talk to create a softer, more compassionate tone. Your subconscious is always listening, so reinforce healthy rather than unhealthy thought patterns.
For more on each of these, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
80-Year-Olds Share Their Biggest Regrets
Take care!
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Aging Backwards – by Miranda Esmonde-White
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In this book, there’s an upside and a downside to the author’s professional background:
- Upside: Miranda Esmonde-White is a ballet-dancer-turned-physical-trainer, and it shows
- Downside: Miranda Esmonde-White is not a scientist, and it shows
She cites a lot of science, but she either does not understand it or else intentionally misrepresents it. We will assume the former. But as one example, she claims:
“for every minute you exercise, you lengthen your life by 7 minutes”
…which cheat code to immortality is absolutely not backed-up by the paper she cites for it. The paper, like most papers, was much more measured in its proclamations; “there was an association” and “with these conditions”, etc.
Nevertheless, while she misunderstands lots of science along the way, her actual advice is good and sound. Her workout programs really will help people to become younger by various (important, life-changing!) metrics of biological age, mostly pertaining to mobility.
And yes, this is a workout-based approach; we won’t read much about diet and other lifestyle factors here.
Bottom line: it has its flaws, but nevertheless delivers on its premise of helping the reader to become biologically younger through exercises, mostly mobility drills.
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The Seven Circles – by Chelsey Luger & Thosh Collins
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At first glance, this can seem like an unscientific book—you won’t find links to studies in this one, for sure! However, if we take a look at the seven circles in question, they are:
- Food
- Movement
- Sleep
- Ceremony
- Sacred Space
- Land
- Community
Regular 10almonds readers may notice that these seven items contain five of the things strongly associated with the “supercentenarian Blue Zones”. (If you are wondering why Native American reservations are not Blue Zones, the answer there lies less in health science and more in history and sociology, and what things have been done to a given people).
The authors—who are Native American, yes—present in one place a wealth of knowledge and know-how. Not even just from their own knowledge and their own respective tribes, but gathered from other tribes too.
Perhaps the strongest value of this book to the reader is in the explanation of noting the size of each of those circles, how they connect with each other, and providing a whole well-explained system for how we can grow each of them in harmony with each other.
Or to say the same thing in sciencey terms: how to mindfully improve integrated lifestyle factors synergistically for greater efficacy and improved health-adjusted quality-of-life years.
Bottom line: if you’re not averse to something that mostly doesn’t use sciencey terms of have citations to peer-reviewed studies peppered through the text, then this book has wisdom that’s a) older than the pyramids of Giza, yet also b) highly consistent with our current best science of Blue Zone healthy longevity.
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The Not-So-Sweet Science Of Sugar Addiction
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One
LumpMechanism Of Addiction Or Two?
In Tuesday’s newsletter, we asked you to what extent, if any, you believe sugar is addictive; we got the above-depicted, below-described, set of responses:
- About 47% said “Sugar is chemically addictive, comparable to alcohol”
- About 34% said “Sugar is chemically addictive, comparable to cocaine”
- About 11% said “Sugar is not addictive; that’s just excuse-finding hyperbole”
- About 9% said “Sugar is a behavioral addiction, comparable to video gaming”
So what does the science say?
Sugar is not addictive; that’s just excuse-finding hyperbole: True or False?
False, by broad scientific consensus. As ever, the devil’s in the
detailsdefinitions, but while there is still discussion about how best to categorize the addiction, the scientific consensus as a whole is generally: sugar is addictive.That doesn’t mean scientists* are a hive mind, and so there will be some who disagree, but most papers these days are looking into the “hows” and “whys” and “whats” of sugar addiction, not the “whether”.
*who are also, let us remember, a diverse group including chemists, neurobiologists, psychologists, social psychologists, and others, often collaborating in multidisciplinary teams, each with their own focus of research.
Here’s what the Center of Alcohol and Substance Use Studies has to say, for example:
Sugar Addiction: More Serious Than You Think
Sugar is a chemical addiction, comparable to alcohol: True or False?
True, broadly, with caveats—for this one, the crux lies in “comparable to”, because the neurology of the addiction is similar, even if many aspects of it chemically are not.
In both cases, sugar triggers the release of dopamine while also (albeit for different chemical reasons) having a “downer” effect (sugar triggers the release of opioids as well as dopamine).
Notably, the sociology and psychology of alcohol and sugar addictions are also similar (both addictions are common throughout different socioeconomic strata as a coping mechanism seeking an escape from emotional pain).
See for example in the Journal of Psychoactive Drugs:
On the other hand, withdrawal symptoms from heavy long-term alcohol abuse can kill, while withdrawal symptoms from sugar are very much milder. So there’s also room to argue that they’re not comparable on those grounds.
Sugar is a chemical addiction, comparable to cocaine: True or False?
False, broadly. There are overlaps! For example, sugar drives impulsivity to seek more of the substance, and leads to changes in neurobiological brain function which alter emotional states and subsequent behaviours:
The impact of sugar consumption on stress driven, emotional and addictive behaviors
However!
Cocaine triggers a release of dopamine (as does sugar), but cocaine also acts directly on our brain’s ability to remove dopamine, serotonin, and norepinephrine:
The Neurobiology of Cocaine Addiction
…meaning that in terms of comparability, they (to use a metaphor now, not meaning this literally) both give you a warm feeling, but sugar does it by turning up the heating a bit whereas cocaine does it by locking the doors and burning down the house. That’s quite a difference!
Sugar is a behavioral addiction, comparable to video gaming: True or False?
True, with the caveat that this a “yes and” situation.
There are behavioral aspects of sugar addiction that can reasonably be compared to those of video gaming, e.g. compulsion loops, always the promise of more (without limiting factors such as overdosing), anxiety when the addictive element is not accessible for some reason, reduction of dopaminergic sensitivity leading to a craving for more, etc. Note that the last is mentioning a chemical but the mechanism itself is still behavioral, not chemical per se.
So, yes, it’s a behavioral addiction [and also arguably chemical in the manners we’ve described earlier in this article].
For science for this, we refer you back to:
The impact of sugar consumption on stress driven, emotional and addictive behaviors
Want more?
You might want to check out:
Beating Food Addictions: When It’s More Than “Just” Cravings
Take care!
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Does Eating Shellfish Contribute To Gout?
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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 have a question about seafood as healthy, doesn’t eating shellfish contribute to gout?❞
It can do! Gout (a kind of inflammatory arthritis characterized by the depositing of uric acid crystals in joints) has many risk factors, and diet is one component, albeit certainly the most talked-about one.
First, you may be wondering: isn’t all arthritis inflammatory? Since arthritis is by definition the inflammation of joints, this is a reasonable question, but when it comes to classifying the kinds, “inflammatory” arthritis is caused by inflammation, while “non-inflammatory” arthritis (a slightly confusing name) merely has inflammation as one of its symptoms (and is caused by physical wear-and-tear). For more information, see:
- Tips For Avoiding/Managing Rheumatoid Arthritis ←inflammatory
- Tips For Avoiding/Managing Osteoarthritis ← “non-inflammatory”
As for gout specifically, top risk factors include:
- Increasing age: risk increases with age
- Being male: women do get gout, but much less often
- Hypertension: all-cause hypertension is the biggest reasonably controllable factor
There’s not a lot we can do about age (but of course, looking after our general health will tend to slow biological aging, and after all, diseases only care about the state of our body, not what the date on the calendar is).
As for sex, this risk factor is hormones, and specifically has to do with estrogen and testosterone’s very different effects on the immune system (bearing in mind that chronic inflammation is a disorder of the immune system). However, few if any men would take up feminizing hormone therapy just to lower their gout risk!
That leaves hypertension, which happily is something that we can all (barring extreme personal circumstances) do quite a bit about. Here’s a good starting point:
Hypertension: Factors Far More Relevant Than Salt
…and for further pointers:
How To Lower Your Blood Pressure (Cardiologists Explain)
As for diet specifically (and yes, shellfish):
The largest study into this (and thus, one of the top ones cited in a lot of other literature) looked at 47,150 men with no history of gout at the baseline.
So, with the caveat that their findings could have been different for women, they found:
- Eating meat in general increased gout risk
- Narrowing down specific meats: beef, pork, and lamb were the worst offenders
- Eating seafood in general increased gout risk
- Narrowing down specific seafoods: all seafoods increased gout risk within a similar range
- As a specific quirk of seafoods: the risk was increased if the man had a BMI under 25
- Eating dairy in general was not associated with an increased risk of gout
- Narrowing down specific dairy foods: low-fat dairy products such as yogurt were associated with a decreased risk of gout
- Eating purine-rich vegetables in general was not associated with an increased risk of gout
- Narrowing down to specific purine-rich vegetables: no purine-rich vegetable was associated with an increase in the risk of gout
Dairy products were included in the study, as dairy products in general and non-fermented dairy products in particular are often associated with increased inflammation. However, the association was simply not found to exist when it came to gout risk.
Purine-rich vegetables were included in the study, as animal products highest in purines have typically been found to have the worst effect on gout. However, the association was simply not found to exist when it came to plants with purines.
You can read the full study here:
Purine-Rich Foods, Dairy and Protein Intake, and the Risk of Gout in Men
So, the short answer to your question of “doesn’t eating shellfish contribute to the risk of gout” is:
Yes, it can, but occasional consumption probably won’t result in gout unless you have other risk factors going against you.
If you’re a slim male 80-year-old alcoholic smoker with hypertension, then definitely do consider skipping the lobster, but honestly, there may be bigger issues to tackle there.
And similarly, obviously skip it if you have a shellfish allergy, and if you’re vegan or vegetarian or abstain from shellfish for religious reasons, then you can certainly live very healthily without ever having any.
See also: Do We Need Animal Products, To Be Healthy?
For most people most of the time, a moderate consumption of seafood, including shellfish if you so desire, is considered healthy.
As ever, do speak with your own doctor to know for sure, as your individual case may vary.
For reference, this question was surely prompted by the article:
Lobster vs Crab – Which is Healthier?
Take care!
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Most People Try The Wrong Way To Unshrimp Their Posture (Here’s How To Do It Better)
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Many people try to correct posture by pulling the shoulders back and tucking in the chin, but that doesn’t work. Happily, there is a way that does! Kinesiologist Kyle Waugh demonstrates:
Defying gravity
The trick is simple, and is about how maintaining good posture needs to be unconscious and natural, not forced. After all, who is maintaining singular focus for 16 waking hours a day?
Instead, pay attention to how the body relates to gravity without excessive muscle tension, aligning the (oft-forgotten!) hips, and maintaining balance. The importance of hip position is really not to be underestimated, since in many ways the hips are a central axis of the body just as the spine is, and the spine itself sits in the hips.
A lot of what holds the body in poor posture tends to be localized muscle tensions, so address those with stretches and relaxation exercises.
For a few quick tests and exercises to try, enjoy:
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Want to learn more?
You might also like to read:
6 Ways To Look After Your Back ← no video on this one, just 6 concepts that you can apply to your daily life
Take care!
Don’t Forget…
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