The Mind-Gut Connection – by Dr. Emeran Mayer
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We’ve reviewed books about the mind-gut connection before, so what makes this one stand out?
Firstly, it’s a lot more comprehensive than the usual “please, we’re begging you, eat some fiber”.
And yes, of course that’s part of it. Prebiotics, probiotics, reduce fried and processed foods, reduce sugar/alcohol, reduce meat, and again, eat some greenery.
But where this book really comes into its own is looking more thoroughly at the gut microbiota and their function. Dr. Mayer goes well beyond “there are good and bad bacteria” and looks at the relationship each of them have with the body’s many hormones, and especially neurotransmitters like serotonin and dopamine.
He also looks at the two-way connection between brain and gut. Yes, our gut gives us “gut feelings”, but 10% of communication between the brain and gut is in the other direction; he explores what that means for us, too.
Finally, he does give a lot of practical advice, not just dietary but also behavioral, to make the most of our mind-gut connection and make it work for our health, rather than against it.
Bottom line: this is the best book on the brain-gut connection that this reviewer has read so far, and certainly the most useful if you already know about gut-healthy nutrition, and are looking to take your understanding to the next level.
Click here to check out The Mind-Gut Connection, and start making yours work for your benefit!
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Get Rid Of Female Facial Hair Easily
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Dr. Sam Ellis, dermatologist, explains:
Hair today; gone tomorrow
While a little peach fuzz is pretty ubiquitous, coarser hairs are less common in women especially earlier in life. However, even before menopause, such hair can be caused by main things, ranging from PCOS to genetics and more. In most cases, the underlying issue is excess androgen production, for one reason or another (i.e. there are many possible reasons, beyond the scope of this article).
Options for dealing with this include…
- Topical, such as eflornithine (e.g. Vaniqa) thins terminal hairs (those are the coarse kind); a course of 6–8 weeks continued use is needed.
- Hormonal, such as estrogen (opposes testosterone and suppresses it), progesterone (downregulates 5α-reductase, which means less serum testosterone is converted to the more powerful dihydrogen testosterone (DHT) form), and spironolactone or other testosterone-blockers; not hormones themselves, but they do what it says on the tin (block testosterone).
- Non-medical, such as electrolysis, laser, and IPL. Electrolysis works on all hair colors but takes longer; laser needs to be darker hair against paler skin* (because it works by superheating the pigment of the hair while not doing the same to the skin) but takes more treatments, and IPL is a less-effective more-convenient at-home option, that works on the same principles as laser (and so has the same color-based requirements), and simply takes even longer than laser.
*so for example:
- Black hair on white skin? Yes
- Red hair on white skin? Potentially; it depends on the level of pigmentation. But it’s probably not the best option.
- Gray/blonde hair on white skin? No
- Black hair on mid-tone skin? Yes, but a slower pace may be needed for safety
- Anything else on mid-tone skin? No
- Anything on dark skin? No
For more on all of this, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
Too Much Or Too Little Testosterone?
Take care!
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Fasting Without Crashing?
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Intermittent Fasting: What’s the truth?
Before we get to facts and fictions, let’s quickly cover:
What is Intermittent Fasting?
Intermittent Fasting (IF) is an umbrella term for various kinds of time-restricted fasting, based on a schedule. Types include:
Time-restricted IF, for example:
- 16:8—Fast for 16 hours, eat during an 8-hour window
- 18:6–Fast for 18 hours, eat during a 6-hour window
- 20:4—Fast for 20 hours, eat during a 4-hour window
24hr fasting, including:
- Eat Stop Eat—basically, take a day off from eating once a week
- Alternate Day Fasting—a more extreme version of the above; it is what it sounds like; eat one day, fast the next, repeat
Non-fast fasting, e.g:
- 5:2—Eat normally for 5 days, have a very reduced calorie intake (⅓ of normal intake) for the other 2 days
- Fruit Fasting—have a small amount of fruit on “fast” days, but no other food
- The Warrior Diet—as above, but include a small amount of non-starchy vegetables
Why IF?
While IF is perhaps most commonly undertaken as a means of fat loss or fat management (i.e., keeping fat down when it is already low), others cite different reasons, such as short term cognitive performance or long-term longevity.
But… Does it work?
Here we get into the myth-busting bit!
“IF promotes weight loss”
Mix of True and False. It can! But it also doesn’t have to. If you’re a bodybuilder who downs 4,000 calories in your 4hr eating window, you’re probably not going to lose weight! For such people, this is of course “a feature, not a bug” of IF—especially as it has been found that, in an acute study, IF did not adversely impact muscle protein synthesis.
“IF promotes fat loss, without eating less”
Broadly True. IF was found to be potentially equal to, but not necessarily better than, eating less.
“IF provides metabolic benefits for general health”
Broadly True. IF (perhaps counterintuitively) decreases the risk of insulin resistance, and also has anti-inflammatory effects, benefits a healthy gut microbiome, and promotes healthy autophagy (which as we noted in a previous edition of 10almonds, is important against both aging and cancer)
However, results vary according to which protocol you’re observing…
For what it’s worth, 16:8 is perhaps the most-studied protocol. Because such studies tend to have the eating window from midday to 8pm, this means that—going against popular wisdom—part of the advice here is basically “skip breakfast”.
“Unlike caloric restriction, IF is sustainable and healthy as a long-term protocol”
Broadly True. Of course, there’s a slight loophole here in that IF is loosely defined—technically everyone fasts while they’re sleeping, at the very least!
However, for the most commonly-studied IF method (16:8), this is generally very sustainable and healthy and for most people.
On the other hand, a more extreme method such as Alternate Day Fasting, may be trickier to sustain (even if it remains healthy to do so), because it’s been found that hunger does not decrease on fasting days—ie, the body does not “get used to it”.
The American Journal of Clinical Nutrition wrote:
❝Alternate-day fasting was feasible in nonobese subjects, and fat oxidation increased. However, hunger on fasting days did not decrease, perhaps indicating the unlikelihood of continuing this diet for extended periods of time. Adding one small meal on a fasting day may make this approach to dietary restriction more acceptable.❞
“IF improves mood and cognition”
Mix of True and False (plus an honest “We Don’t Know” from researchers).
Many studies have found benefits to both mood and cognition, but in the short-term, fasting can make people “hangry” (or: “experience irritability due to low blood sugar levels”, as the scientists put it), and in the long term, it can worsen symptoms of depression for those who already experience such—although some studies have found it can help alleviate depressive symptoms.
Basically this is one where researchers typically append the words “more research is needed” to their summaries.
“Anyone can do IF”
Definitely False, unless going by the absolute broadest possible interpretation of what constitutes “Intermittent Fasting” to the point of disingenuity.
For example, if you are Type 1 Diabetic, and your blood sugars are hypo, and you wait until tomorrow to correct that, you will stand a good chance of going into a coma instead. So please don’t.
(On the other hand, IF may help achieve remission of type 2 diabetes)
Lastly, IF is broadly not recommend to children and adolescents, anyone pregnant or breastfeeding, and certain underlying health conditions not mentioned above (we’re not going to try to give an exhaustive list here, but basically, if you have a chronic health condition, we recommend you check with your doctor first).
WHICH APP?
Choosing a fasting app
Thinking of giving IF a try and would like a little extra help? We’ve got you covered!
Check out: Livewire’s 7 Best Intermittent Fasting Apps of 2023
Prefer to just trust us with a recommendation?
We like BodyFast—it’s #2 on Lifewire’s list, but it has an array of pre-set plans to choose from (unlike Lifewire’s #1, Zero), and plenty of clear tracking, scheduling help, and motivational features.
Both are available on both iOS and Android:
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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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Heart Healthy Diet Plan – by Stephen William
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We’ve covered heart-healthy cooking books before, but variety is good, and boredom is an enemy of health, so let’s shake it up with a fresh stack of recipes!
After a brief overview of the relevant science (which if you’re a regular 10almonds reader, probably won’t be new to you), the author takes the reader on a 28-day journey. Yes, we know the subtitle says 30 days, but unless they carefully hid the other two days somewhere we didn’t find, there are “only” 28 inside. Perhaps the publisher heard it was a month and took creative license. Or maybe there’s a different edition. Either way…
Rather than merely giving a diet plan (though yes, he also does that), he gives a wide range of “spotlight ingredients”, such that many of the recipes, while great in and of themselves, can also be jumping-off points for those of us who like to take recipes and immediately do our own things to them.
Each day gets a breakfast, lunch, dinner, and he also covers drinks, desserts, and such like.
Notwithstanding the cover art being a lot of plants, the recipes are not entirely plant-based; there are a selection of fish dishes (and other seafood, e.g. shrimp) and also some dairy products (e.g. Greek yoghurt). The recipes are certainly very “plant-forward” though and many are just plants. If you’re a strict vegan though, this probably isn’t the book for you.
Bottom line: if you’d like to cook heart-healthy but are often stuck wondering “aaah, what to cook again today?”, then this is the book to get you out of any culinary creative block!
Click here to check out the Heart Healthy Diet Plan, and widen your heart-healthy repertoire!
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Unleashing My Superpowers – by Dr. Patience Mpofu
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Dr. Patience Mpofu is on a mission to provide women and girls with the inside-information, knowledge, resources, and strategies to break through the glass ceiling. She writes from her experience in STEM, but her lessons are applicable in any field.
Her advices range from the internal (how to deal with imposter syndrome) to the external (how to overcome cultural biases); she also explains and illustrates the importance of both role models and mentors.
While a lot of the book is half instruction manual, half memoir of her incredible life and career (to illustrate her points), and is well-worth reading—and/or perhaps worth gifting to a girl you know with ambitions in STEM?
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Lies I Taught in Medical School – by Dr. Robert Lufkin
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There seems to be a pattern of doctors who practice medicine one way, get a serious disease personally, and then completely change their practice of medicine afterwards. This is one of those cases.
Dr. Lufkin here presents, on a chapter-by-chapter basis, the titularly promised “lies” or, in more legally compliant speak (as he acknowledges in his preface), flawed hypotheses that are generally taught as truths. In many cases, the “lie” is some manner of “xyz is normal and nothing to worry about”, and/or “there is nothing to be done about xyz; suck it up”.
The end result of the information is not complicated—enjoy a plants-forward whole foods low-carb diet to avoid metabolic diseases and all the other things to branch off from same (Dr. Lufkin makes a fair case for metabolic disease leading to a lot of secondary diseases that aren’t considered metabolic diseases per se). But, the journey there is actually important, as it answers a lot of questions that are much less commonly understood, and often not even especially talked-about, despite their great import and how they may affect health decisions beyond the dietary. Things like understanding the downsides of statins, or the statistical models that can be used to skew studies, per relative risk reduction and so forth.
Bottom line: this book gives the ins and outs of what can go right or wrong with metabolic health and why, and how to make sure you don’t sabotage your health through missing information.
Click here to check out Lies I Taught In Medical School, and arm yourself with knowledge!
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Learn to Age Gracefully
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