Ageless Aging – by Maddy Dychtwald
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Maddy Dychtwald, herself 73, has spent her career working in the field of aging. She’s not a gerontologist or even a doctor, but she’s nevertheless been up-to-the-ears in the industry for decades, mostly as an organizer, strategist, facilitator, and so forth. As such, she’s had her finger on the pulse of the healthy longevity movement for a long time.
This book was written to address a problem, and the problem is: lifespan is increasing (especially for women), but healthspan has not been keeping up the pace.
In other words: people (especially women) are living longer, but often with more health problems along the way than before.
And mostly, it’s for lack of information (or sometimes: too much competing incorrect information).
Fortunately, information is something that a woman in Dychtwald’s position has an abundance of, because she has researchers and academics in many fields on speed-dial and happy to answer her questions (we get a lot of input from such experts throughout the book—which is why this book is so science-based, despite the author not being a scientist).
The book answers a lot of important questions beyond the obvious “what diet/exercise/sleep/supplements/etc are best for healthy aging” (spoiler: it’s quite consistent with the things we recommend here, because guess what, science is science), questions like how best to prepare for this that or the other, how to get a head start on preventative healthcare for some things, how to avoid being a burden to our families (one can argue that families are supposed to look after each other, but still, it’s a legitimate worry for many, and understandably so), and even how to balance the sometimes conflicting worlds of health and finances.
Unlike many authors, she also talks about the different kinds of aging, and tackles each of them separately and together. We love to see it!
Bottom line: this book is a very good one-stop-shop for all things healthy aging. It’s aimed squarely at women, but most advice goes for men the same too, aside from the section on hormones and such.
Click here to check out Ageless Aging, and plan your future!
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The Checklist Manifesto – by Dr. Atul Gawande
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Dr. Gawande, himself a general surgeon, uses checklists a lot. He is, unequivocally, an expert in his field. He “shouldn’t” need a checklist to tell him to do such things as “Check you have the correct patient”. But checklists are there as a safety net. And, famously, “safety regulations are written in blood”, after all.
And, who amongst us has never made such a “silly” error? From forgetting to turn the oven on, to forgetting to take the handbrake off, it takes only a momentary distraction to think we’ve done something we haven’t.
You may be wondering: why a whole book on this? Is it just many examples of the usefulness of checklists? Because I’m already sold on that, so, what else am I going to get out of it?
Dr. Gawande also explains in clear terms:
- How to optimize “all necessary steps” with “as few steps as possible”
- The important difference between read-do checklists and do-confirm checklists
- To what extent we should try to account for the unexpected
- How to improve compliance (i.e., making sure you actually use it, no matter how tempting it will be to go “yeah this is automatic for me now” and gloss over it)
- The role of checklists in teams, and in passing on knowledge
…and more.
Bottom line: if you’ve ever tried to make tea without putting the tea-leaves in the pot, this is the book that will help you avoid making more costly mistakes—whatever your area of activity or interest.
Click here to check out the Checklist Manifesto, and make fewer mistakes!
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Fennel vs Onion – Which is Healthier?
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Our Verdict
When comparing fennel to onion, we picked the fennel.
Why?
First note, in case you didn’t see the picture: we are talking about white onions here (also called brown onions, by virtue of their attire).
Looking at the macros, fennel has nearly 2x the fiber and a little more protein, while onion has more carbs. An easy win in this category for the fennel.
In the category of vitamins, fennel has more of vitamins A, B2, B3, B5, B9, C, E, K, and choline (most of them by generous margins and some by especially large margins, we are talking, for example, 480x the vitamin A, 29x the vitamin E, and 157x the vitamin K), while onions have more of vitmains B1 and B6. Another clear win for fennel.
When it comes to minerals, fennel has more calcium, copper, iron, magnesium, manganese, phosphorus, potassium, selenium, and zinc, while onion is not higher in any minerals. No prizes for guessing: fennel wins this category too.
You may be curious as to how they add up on the polyphenol front, and the answer is, they don’t, much. Wonderful as these two vegetables are, an abundance of polyphenols is not amongst their strengths; fennel has some lignans and onion has some flavonols, but we’re talking tiny numbers here (in contrast, red onion would have aced it with 120mg/100g quercetin, amongst others, but red onion wasn’t on trial today).
Adding up the sections makes a clear win for fennel today.
Want to learn more?
You might like to read:
What’s Your Plant Diversity Score?
Take care!
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How Your Brain Chooses What To Remember
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.
During the day, your brain is simply too busy to encode memories without interfering with normal processing. At night, however…
The filing system
The brain decides which memories to keep based on significance, using sharp brain wave ripples as an internal bookmarking system. Everyday memories fade, while important events are tagged in this manner for consolidation during sleep.
How does it do this? It starts in the hippocampus, which records experiences during wakefulness and replays them repeatedly at high speed during sleep, preparing them for transfer to the neocortex.
How do we know? Uniform Manifold Approximation & Projection (UMAP) for dimension reduction is a tool that condenses 400-dimensional neural activity data into 3D for visualization. Mice navigating a maze showed hippocampal activity encoding location and learning progression; it also showed neural patterns reflecting maze layout and task mastery.
What this means in practical terms: you need to get good sleep if you don’t want to lose your memories!
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:
How To Boost Your Memory Immediately (Without Supplements)
Take care!
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Rest For The Restless (Legs)
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.
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
❝Any tips for dealing with restless legs syndrome?❞
As a neurological disorder (Willis-Ekbom Disease, as it is also called
by almost nobody outside of academia), there’s a lot that’s not known about its pathology, but we do know that looking after one’s nerves can help a lot.This means:
- Avoid alcohol, as this is bad for everything, including nerves
- See also: How To Reduce Or Quit Alcohol
- Don’t smoke, as this is bad for everything, including nerves
- Do exercise those restless legs! It may sound funny, but in seriousness, movement promotes nerve health
- See also: Walking… Better.
- Take care of your blood sugars, because diabetic neuropathy can also cause this
- See also: 10 Ways To Balance Blood Sugars
- Massage your legs, and enjoy a hot bath/shower
You can also take into account the measures recommended for dealing with peripheral neuropathy, e.g:
Peripheral Neuropathy: How To Avoid It, Manage It, Treat It
There are also medication options for RLS; most of them are dopamine agonists, so if you want to try something yourself before going the pharmaceutical route, then things that improve your dopamine levels will probably be a worth checking out. In the category of supplements, you might enjoy:
NALT: The Dopamine Precursor And More
Take care! And… Want something answered here? Send us your questions!
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- Avoid alcohol, as this is bad for everything, including nerves
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The Brain Alarm Signs That Warn Of Dementia
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.
When it comes to predicting age-related cognitive impairment:
First there are genetic factors to take into account (such as the APOE4 gene for Alzheimer’s), as well as things such as age and sex.
When it comes to sex, by the way, what matters here is hormones, which is why [it seems; this as technically as yet unproven with full rigor, but the hypothesis is sound and there is a body of evidence gradually being accumulated to support it] postmenopausal women with untreated menopause get Alzheimer’s at a higher rate and deteriorate more quickly:
Alzheimer’s Sex Differences May Not Be What They Appear
Next, there are obviously modifiable lifestyle factors to take into account, things that will reduce your risk such as getting good sleep, good diet, good exercise, and abstaining from alcohol and smoking, as well as oft-forgotten things such as keeping cognitively active and, equally importantly, socially active:
How To Reduce Your Alzheimer’s Risk
(the article outlines what matters the most in each of the above areas, by the way, so that you can get the most bang-for-buck in terms of lifestyle adjustments)
Lastly (in the category of risk factors), there are things to watch out for in the blood such as hypertension and high cholesterol.
Nipping it in the blood
In new research (so new it is still ongoing, but being at year 2 of a 4-year prospective study, they have published a paper with their results so far), researchers have:
- started with the premise “dementia is preceded by mild cognitive impairment”
- then, asked the question “what are the biometric signs of mild cognitive impairment?”
Using such tools as functional near-infrared spectroscopy (fNIRS) while the participants performed cognitive tasks, they were able to record changes in plasma levels of extracellular vesicles, assessing them with small-particle flow cytometry.
Translating from sciencese: they gave the participants mental tasks, and while they completed them, the researchers scanned their brains and monitored blood flow and the brain’s ability to compensate for any lack of it.
What they found:
- in young adults, blood flow increased, facilitating neurovascular coupling (this is good)
- in older adults, blood flow did not increase as much, but they engaged other areas of the brain to compensate, by what’s called functional connectivity (this is next best)
- in those with mild cognitive impairment, blood flow was reduced, and they did not have the ability to compensate by functional connectivity (this is not good)
They also performed a liquid biopsy, which sounds alarming but it just means they took some blood, and tested this for density of cerebrovascular endothelial extracellular vesicles (CEEVs), which—in more prosaic words—are bits from the cells lining the blood vessels in the brain.
People with mild cognitive impairment had more of these brain bits in their blood than those without.
You can read the paper itself here:
What this means
The science here is obviously still young (being as it is still in progress), but this will likely contribute greatly to early warning signs of dementia, by catching mild cognitive impairment in its early stages, by means of a simple blood test, instead of years of wondering before getting a dementia diagnosis.
And of course, forewarned is forearmed, so if this is something that could be done as a matter of routine upon hitting the age of, say, 65 and then periodically thereafter, it would catch a lot of cases while there’s still more time to turn things around.
As for how to turn things around, well, we imagine you have now read our “How To Reduce Your Alzheimer’s Risk” article linked up top (if not, we recommend checking it out), and there is also…
Do Try This At Home: The 12-Week Brain Fitness Program To Measurably Boost Your Brain
Take care!
When it comes to predicting age-related cognitive impairment:
First there are genetic factors to take into account (such as the APOE4 gene for Alzheimer’s), as well as things such as age and sex.
When it comes to sex, by the way, what matters here is hormones, which is why [it seems; this as technically as yet unproven with full rigor, but the hypothesis is sound and there is a body of evidence gradually being accumulated to support it] postmenopausal women with untreated menopause get Alzheimer’s at a higher rate and deteriorate more quickly:
Alzheimer’s Sex Differences May Not Be What They Appear
Next, there are obviously modifiable lifestyle factors to take into account, things that will reduce your risk such as getting good sleep, good diet, good exercise, and abstaining from alcohol and smoking, as well as oft-forgotten things such as keeping cognitively active and, equally importantly, socially active:
How To Reduce Your Alzheimer’s Risk
(the article outlines what matters the most in each of the above areas, by the way, so that you can get the most bang-for-buck in terms of lifestyle adjustments)
Lastly (in the category of risk factors), there are things to watch out for in the blood such as hypertension and high cholesterol.
Nipping it in the blood
In new research (so new it is still ongoing, but being at year 2 of a 4-year prospective study, they have published a paper with their results so far), researchers have:
- started with the premise “dementia is preceded by mild cognitive impairment”
- then, asked the question “what are the biometric signs of mild cognitive impairment?”
Using such tools as functional near-infrared spectroscopy (fNIRS) while the participants performed cognitive tasks, they were able to record changes in plasma levels of extracellular vesicles, assessing them with small-particle flow cytometry.
Translating from sciencese: they gave the participants mental tasks, and while they completed them, the researchers scanned their brains and monitored blood flow and the brain’s ability to compensate for any lack of it.
What they found:
- in young adults, blood flow increased, facilitating neurovascular coupling (this is good)
- in older adults, blood flow did not increase as much, but they engaged other areas of the brain to compensate, by what’s called functional connectivity (this is next best)
- in those with mild cognitive impairment, blood flow was reduced, and they did not have the ability to compensate by functional connectivity (this is not good)
They also performed a liquid biopsy, which sounds alarming but it just means they took some blood, and tested this for density of cerebrovascular endothelial extracellular vesicles (CEEVs), which—in more prosaic words—are bits from the cells lining the blood vessels in the brain.
People with mild cognitive impairment had more of these brain bits in their blood than those without.
You can read the paper itself here:
What this means
The science here is obviously still young (being as it is still in progress), but this will likely contribute greatly to early warning signs of dementia, by catching mild cognitive impairment in its early stages, by means of a simple blood test, instead of years of wondering before getting a dementia diagnosis.
And of course, forewarned is forearmed, so if this is something that could be done as a matter of routine upon hitting the age of, say, 65 and then periodically thereafter, it would catch a lot of cases while there’s still more time to turn things around.
As for how to turn things around, well, we imagine you have now read our “How To Reduce Your Alzheimer’s Risk” article linked up top (if not, we recommend checking it out), and there is also…
Do Try This At Home: The 12-Week Brain Fitness Program To Measurably Boost Your Brain
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
Join the 98k+ American women taking control of their health & aging with our 100% free (and fun!) daily emails:
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Breast Milk’s Benefits That Are (So Far) Not Replicable
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.
Simply The Breast 🎶
In Wednesday’s newsletter, we asked you for your opinion on breast vs formula milk (for babies!), and got the above-depicted, below-described, set of responses:
- 80% said “Breast is best, as the slogan goes, and should be first choice”
- 20% said “They both have their strengths and weaknesses; use whatever”
- 0% said “Formula is formulated to be best, and should be first choice”
That’s the first time we’ve ever had a possible poll option come back with zero votes whatsoever! It seems this topic is relatively uncontentious amongst our readership, so we’ll keep things brief today, but there is still a little mythbusting to be done.
So, what does the science say?
[Breast milk should be the first choice] at least for the few few weeks and months for the benefit of baby’s health as breast milk has protective factors formula does not: True or False?
True! The wording here was taken from one of our readers’ responses, by the way (thank you, Robin). There are a good number of those protective factors, the most well-known of which is passing on immune cells and cell-like things; in other words, immune-related information being passed from parent* to child.
*usually the mother, though in principle it could be someone else and in practice sometimes it is; the only real requirements are that the other person be healthy, lactating, and willing.
As for immune benefits, see for example:
Perspectives on Immunoglobulins in Colostrum and Milk
And for that matter, also:
(Colostrum is simply the milk that is produced for a short period after giving birth; the composition of milk will tend to change later)
In any case, immunoglobulin A is a very important component in breast milk (colostrum and later), as well as lactoferrin (has an important antimicrobial effect and is good for the newborn’s gut), and a plethora of cytokines:
As for that about the gut, lactoferrin isn’t the only breast milk component that benefits this, by far, and there’s a lot that can’t be replicated yet:
Human Breast Milk and the Gastrointestinal Innate Immune System
As long as your infant/child is nutritiously fed, it shouldn’t matter if it comes from breast or formula: True or False?
False! Formula milk will not convey those immune benefits.
This doesn’t mean that formula-feeding is neglectful; as several people who commented mentioned*, there are many reasons a person may not be able to breastfeed, and they certainly should not be shamed for that.
*(including the reader whose words we borrowed for this True/False item; the words we quoted above were prefaced with: “Not everyone is able to breastfeed for many different reasons”)
But, while formula milk is a very good second choice, and absolutely a respectable choice if breast milk isn’t an option (or an acceptable option) for whatever reason, it still does not convey all the health benefits of breast milk—yet! The day may come when they’ll find a way to replicate the immune benefits, but today is not that day.
They both have their strengths and weaknesses: True or False?
True! But formula’s strengths are only in the category of convenience and sometimes necessity—formula conveys no health benefits that breast milk could not do better, if available.
For many babies, formula means they get to eat, when without it they would starve due to non-availability of breast milk. That’s a pretty important role!
Note also: this is a health science publication, not a philosophical publication, but we’d be remiss not to mention one thing; let’s bring it in under the umbrella of sociology:
The right to bodily autonomy continues to be the right to bodily autonomy even if somebody else wants/needs something from your body.
Therefore, while there are indeed many good reasons for not being able to breastfeed, or even just not being safely* able to breastfeed, it is at the very least this writer’s opinion that nobody should be pressed to give their reason for not breastfeeding; “no” is already a sufficient answer.
*Writer’s example re safety: when I was born, my mother was on such drugs that it would have been a very bad idea for her to breastfeed me. There are plenty of other possible reasons why it might be unsafe for someone one way or another, but “on drugs that have a clear ‘do not take while pregnant or nursing’ warning” is a relatively common one.
All that said, for those who are willing and safely able, the science is clear: breast is best.
Want to read more?
The World Health Organization has a wealth of information (including explanations of its recommendations of, where possible, exclusive breastfeeding for the first 6 months, ideally continuing some breastfeeding for the first 2 years), here:
World Health Organization | Breastfeeding
Take care!
Don’t Forget…
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