The Vagus Nerve (And How You Can Make Use Of It)
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The Vagus Nerve: The Brain-Gut Highway
The longest cranial nerve is the vagus nerve; it runs all the way from your brain to your colon. It’s very important, and (amongst other tasks) it largely regulates your parasympathetic nervous system, and autonomous functions like:
- Breathing
- Heart rate
- Vasodilation & vasoconstriction
- Blood pressure
- Reflex actions (e.g. coughing, sneezing, swallowing, vomiting, hiccuping)
That’s great, but how does knowing about it help us?
Because of vagal maneuvers! This means taking an action to stimulate the vagus nerve, and prompt it to calm down various bodily functions that need calming down. This can take the form of:
- Massage
- Electrostimulation
- Diaphragmatic breathing
Massage is perhaps the simplest; “vagus” means “wandering”, and the nerve is accessible in various places, including behind the ears. That’s the kind of thing that’ easier to show than tell, though, so we’ll include a video at the end.
Electrostimulation is the fanciest, and has been used to treat migraines and cluster headaches. Check out, for example:
Update on noninvasive neuromodulation for migraine treatment-Vagus nerve stimulation
Diaphragmatic breathing means breathing from the diaphragm—the big muscular tissue that sits under your lungs. You might know it as “abdominal breathing”, and refers to breathing “to the abdomen” rather than merely to the chest.
Even though your lungs are obviously in your chest not your abdomen, breathing with a focus on expanding the abdomen (rather than the chest) when breathing in, will result in much deeper breathing as the diaphragm allows the lungs to fill downwards as well as outwards.
Why this helps when it comes to the vagus nerve is simply that the vagus nerve passes by the diaphragm, such that diaphragmatic breathing will massage the vagus nerve deep inside your body.
More than just treating migraines
Vagus nerve stimulation has also been researched and found potentially helpful for managing:
- Depression, inflammation, and heart disease
- Diabetes and glycemic issues in general
- Multiple sclerosis and autoimmune disease in general
- Alzheimer’s disease and dementia in general
- Rheumatoid arthritis (we already mentioned inflammation and autoimmune diseases, but this is an interesting paper so we included it)
All this is particularly important as we get older, because vagal response reduces with age, and vagus nerve stimulation, which improves vagal tone, makes it easier not just to manage the aforementioned maladies, but also simply to relax more easily and more deeply.
See: Influence of age and gender on autonomic regulation of heart
We promised a video for the massage, so here it is:
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Avocado vs Blueberries – Which is Healthier?
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Our Verdict
When comparing avocado to blueberries, we picked the avocado.
Why?
These two fruits aren’t as similar as some of the comparisons we’ve made—we often go for “can be used in the same way culinarily” comparisons. But! They are both popularly in the “superfood” category, so it’s interesting to consider:
In terms of macros, avocado has more protein, (healthy!) fat, and fiber, while blueberries have more carbs. An easy win for avocado here, unless you’re on a calorie-controlled diet perhaps, since avocado is also higher in those. About that fat; it’s mostly monounsaturated, with some polyunsaturated and saturated, and is famously a good source of omega-3 in the form of ALA.
In the category of vitamins, avocado has more of vitamins A, B1, B2, B3, B5, B6, B7, B9, C, E, K, and choline, while blueberries are not higher in any vitamins. So, not a tricky decision here.
When it comes to minerals, avocado has more calcium, copper, iron, magnesium, phosphorus, potassium, selenium, and zinc, while blueberries are higher in manganese. Another win for avocados.
There is one other category that’s important to consider in this case, and that’s polyphenols. We’d be here all day if we listed them all, but in total, blueberries have about 1193x the polyphenol content that avocados do. Blueberries got the reputation for antioxidant properties for a reason; it is well-deserved!
So, out of the two, we declare avocado the overall more nutritious of the two, but blueberries absolutely deserve the acclaim they get also.
Want to learn more?
You might like to read:
Give Us This Day Our Daily Dozen
Take care!
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The Mindgym: Wake Your Mind Up – by Dr. Sebastian Bailey and Octavius Black
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Since this reviewer got her copy, the subtitle and marketing of the book have changed, but the content has not. It’s now being marketed as “achieve more by thinking differently” like a pop-psychology business book. But it’s not that. What, then, is it?
It’s 20 chapters of exercises for different kinds of thinking. And yes, the exercises will help those hungry 25–35-year-old MBAs too, but it’s more of a complete how-to-think overhaul.
Its exercises cover psychology and philosophy, creativity and communication, logic and relaxation, cognition and motivation, and lots more.
The style of the book is that of a workbook, and as such, it’s very clearly laid-out; one can go through them methodically, or get an overview and then dive in to whatever one wants/needs most at the moment.
Bottom line: if you’d like a book that’s a one-stop shop for honing many different kinds of thinking, this is the book for you.
Click here to check out The Mindgym, and get training yours!
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Heart Attack: His & Hers (Be Prepared!)
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Heart attack symptoms vary by sex. This is governed by hormones, so if you are for example a postmenopausal woman and not on HRT, your symptoms might be nearer that of men.
The following symptom list is intended as a rough “most likely” guide. You may not get all of the symptoms you “should”. You could get symptoms from the “wrong” category. So don’t sweat the minutiae, but do be aware of…
Symptoms for everyone:
- Jaw, neck, and/or back pain
- Nausea and/or vomiting
- Shortness of breath
- Feeling of impending doom ← heart attack survivors assure us that you’ll know this one if you experience it
Additional symptoms (mostly) just for men:
- Pressure and/or pain in the upper chest
- Discomfort and/or tingling in the arms
- Sudden cold sweat
Additional symptoms (mostly) just for women:
- Pressure and/or pain in the lower chest and/or abdomen
- Feeling of fullness and/or indigestion
- Fatigue, dizziness, possibly fainting
In the event of experiencing symptoms…
Call 911 or your local equivalent.This is not the time to wait to see if it goes away by itself. If unsure, call. Better safe than sorry/dead.
If you are not alone, or if it is someone with you who is having the suspected heart attack, it may be quicker to go to the Emergency Room by car, than wait for an ambulance.
Even if you choose to do that, you should still call 911 anyway, as the responder will be able to instruct you in real-time, not something we can do in a newsletter.
Note that if available, this means three people in the car is ideal:
Driver, patient, and third person on the phone giving information and following instructions.
Emergency situations rarely go entirely by-the-book, but with a little foreknowledge and at least one person with a calm head, preventable deaths can be avoided.
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Life Extension Multivitamins vs Centrum Multivitamins – 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 Life Extension Multivitamins to Centrum Multivitamins, we picked the Life Extension.
Why?
The clue here was on the label: “two per day”. It’s not so that they can sell extra filler! It’s because they couldn’t fit it all into one.
While the Centrum Multivitamins is a (respectably) run-of-the-mill multivitamin (and multimineral) containing reasonable quantities of most vitamins and minerals that people supplement, the Life Extension product has the same plus more:
- More of the vitamins and minerals; i.e. more of them are hitting 100%+ of the RDA
- More beneficial supplements, including:
- Inositol, Alpha lipoic acid, Bio-Quercetin phytosome, phosphatidylcholine complex, Marigold extract, Apigenin, Lycopene, and more that we won’t list here because it starts to get complicated if we do.
We’ll have to write some main features on some of those that we haven’t written about before, but suffice it to say, they’re all good things.
Main take-away for today: sometimes more is better; it just necessitates then reading the label to check.
Want to get some Life Extension Multivitamins (and/or perhaps just read the label on the back)? Here they are on Amazon
PS: it bears mentioning, since we are sometimes running brands against each other head-to-head in this section: nothing you see here is an advertisement/sponsor unless it’s clearly marked as such. We haven’t, for example, been paid by Life Extension or any agent of theirs, to write the above. It’s just our own research and conclusion.
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Science of Stretch – by Dr. Leada Malek
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This book is part of a “Science of…” series, of which we’ve reviewed some others before (Yoga | HIIT | Pilates), and needless to say, we like them.
You may be wondering: is this just that thing where a brand releases the same content under multiple names to get more sales, and no, it’s not (long-time 10almonds readers will know: if it were, we’d say so!).
While flexibility and mobility are indeed key benefits in yoga and Pilates, they looked into the science of what was going on in yoga asanas and Pilates exercises, stretchy or otherwise, so the stretching element was not nearly so deep as in this book.
In this one, Dr. Malek takes us on a wonderful tour of (relevant) human anatomy and physiology, far deeper than most pop-science books go into when it comes to stretching, so that the reader can really understand every aspect of what’s going on in there.
This is important, because it means busting a lot of myths (instead of busting tendons and ligaments and things), understanding why certain things work and (critically!) why certain things don’t, how certain stretching practices will sabotage our progress, things like that.
It’s also beautifully clearly illustrated! The cover art is a fair representation of the illustrations inside.
Bottom line: if you want to get serious about stretching, this is a top-tier book and you won’t regret it.
Click here to check out Science of Stretching, and learn what you can do and how!
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Awakening Your Ikigai – by Dr. Ken Mogi
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It’s been well-established in supercentenarian studies that one of the key factors beyond diet or exercise or suchlike (important as those things definitely are), is having a purpose to one’s life.
Neuroscientist Dr. Ken Mogi explains in this very easy-to-read book, how we can bring ikigai into our lives.
From noticing the details of the small things in life, to reorienting one’s life around what’s most truly most important to us, Dr. Mogi gives us not just a “this is ikigai” exposé, but rather, a practical and readily applicable how-to guide.
Bottom line: if you’ve so far been putting off ikigai as “I’ll get to that”, the time to start is today.
Click here to check out Awakening Your Ikigai, and actually awaken yours!
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