The Age of Scientific Wellness – by Dr. Leroy Hood & Dr. Nathan Price
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We don’t usually do an author bio beyond mentioning their professional background, but in this case it’s worth mentioning that the first-listed author, Dr. Leroy Hood, is the one who invented the automated gene sequencing technology that made the Human Genome Project possible. In terms of awards, he’s won everything short of a Nobel Prize, and that’s probably less a snub and more a matter of how there isn’t a Nobel Prize for Engineering—his field is molecular biotechnology, but what he solved was an engineering problem.
In this book, the authors set out to make the case that “find it and fix it” medicine has done a respectable job of getting us where we are, but what we need now is P4 medicine:
- Predict
- Prevent
- Personalize
- Participate
The idea is that with adequate data (genomic, phenomic, and digital), we can predict the course of health sufficiently well to interrupt the process of disease at its actual (previously unseen) starting point, instead of waiting for symptoms to show up, thus preventing it proactively. The personalization is because this will not be a “one size fits all” approach, since our physiologies are different, our markers of health and disease will be somewhat too. And the participatory aspect? That’s because the only way to get enough data to do this for an entire population is with—more or less—an entire population’s involvement.
This is what happens when, for example, your fitness tracker asks if it can share anonymized health metrics for research purposes and you allow it—you are becoming part of the science (a noble and worthy act!).
You may be wondering whether this book has health advice, or is more about the big picture. And, the answer is both. It’s mostly about the big picture but it does have a lot of (data-driven!) health advice too, especially towards the end.
The style is largely narrative, talking the reader through the progresses (and setbacks) that have marked the path so far, and projecting the next part of the journey, in the hope that we can avoid being part of a generation born just too late to take advantage of this revolutionary approach to health.
Bottom line: this isn’t a very light read, but it is a worthwhile one, and it’ll surely inspire you to increase the extent to which you are proactive about your health!
Click here to check out The Age Of Scientific Wellness, and be part of it!
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Beetroot vs Red Cabbage – Which is Healthier?
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Our Verdict
When comparing beetroot to red cabbage, we picked the red cabbage.
Why?
Both are great, and both have their strengths!
In terms of macros, beetroot has very slightly more protein, carbs, and fiber, but the margins of difference are very small in each case. However, in terms of glycemic index, red cabbage has the considerably lower glycemic index, of 32 (low) as opposed to beetroot’s GI of 64 (medium). On the strength of this GI difference, we call this category a win for red cabbage.
In the category of vitamins, beetroot has more of vitamin B9, while red cabbage has a lot more of vitamins A, B1, B2, B3, B6, C, E, K, and choline. By strength of numbers and also by having very large margins of difference on most of those, red cabbage is the clear winner here.
When it comes to minerals, beetroot has more copper, magnesium, manganese, phosphorus, and potassium, while red cabbage has more calcium (and about ⅓ of the sodium). By the numbers, this is a win for beetroot, though it’s worth noting that the margins of difference were small, i.e. red cabbage was right behind beetroot on each of those.
Adding up the sections makes for an overall red cabbage win, but as we say, beetroot is great too, especially when it comes to minerals!
As ever, enjoy either or both; diversity is good.
Want to learn more?
You might like to read:
No, beetroot isn’t vegetable Viagra. But here’s what it can do!
Enjoy!
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What Would a Second Trump Presidency Look Like for Health Care?
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On the presidential campaign trail, former President Donald Trump is, once again, promising to repeal and replace the Affordable Care Act — a nebulous goal that became one of his administration’s splashiest policy failures.
“We’re going to fight for much better health care than Obamacare. Obamacare is a catastrophe,” Trump said at a campaign stop in Iowa on Jan. 6.
The perplexing revival of one of Trump’s most politically damaging crusades comes at a time when the Obama-era health law is even more popular and widely used than it was in 2017, when Trump and congressional Republicans proved unable to pass their own plan to replace it. That failed effort was a big part of why Republicans lost control of the House of Representatives in the 2018 midterms.
Despite repeated promises, Trump never presented his own Obamacare replacement. And much of what Trump’s administration actually accomplished in health care has been reversed by the Biden administration.
Still, Trump secured some significant policy changes that remain in place today, including efforts to bring more transparency to prices charged by hospitals and paid by health insurers.
Trying to predict Trump’s priorities in a second term is even more difficult given that he frequently changes his positions on issues, sometimes multiple times.
The Trump campaign did not respond to a request for comment.
Perhaps Trump’s biggest achievement is something he rarely talks about on the campaign trail. His administration’s “Operation Warp Speed” managed to create, test, and bring to market a covid-19 vaccine in less than a year, far faster than even the most optimistic predictions.
Many of Trump’s supporters, though, don’t support — and some even vehemently oppose — covid vaccines.
Here is a recap of Trump’s health care record:
Public Health
Trump’s pandemic response dominates his overall record on health care.
More than 400,000 Americans died from covid over Trump’s last year in office. His travel bans and other efforts to prevent the global spread of the virus were ineffective, his administration was slower than other countries’ governments to develop a diagnostic test, and he publicly clashed with his own government’s health officials over the response.
Ahead of the 2020 election, Trump resumed large rallies and other public campaign events that many public health experts regarded as reckless in the face of a highly contagious, deadly virus. He personally flouted public health guidance after contracting covid himself and ending up hospitalized.
At the same time, despite what many saw as a politicization of public health by the White House, Trump signed a massive covid relief bill (after first threatening to veto it). He also presided over some of the largest boosts for the National Institutes of Health’s budget since the turn of the century. And the mRNA-based vaccines Operation Warp Speed helped develop were an astounding scientific breakthrough credited with helping save millions of lives while laying the groundwork for future shots to fight other diseases including cancer.
Abortion
Trump’s biggest contribution to abortion policy was indirect: He appointed three Supreme Court justices, who were instrumental in overturning the constitutional right to an abortion.
During his 2024 campaign, Trump has been all over the place on the red-hot issue. Since the Supreme Court overturned Roe v. Wade in 2022, Trump has bemoaned the issue as politically bad for Republicans; criticized one of his rivals, Florida Gov. Ron DeSantis, for signing a six-week abortion ban; and vowed to broker a compromise with “both sides” on abortion, promising that “for the first time in 52 years, you’ll have an issue that we can put behind us.”
He has so far avoided spelling out how he’d do that, or whether he’d support a national abortion ban after any number of weeks.
More recently, however, Trump appears to have mended fences over his criticism of Florida’s six-week ban and more with key abortion opponents, whose support helped him get elected in 2016 — and whom he repaid with a long list of policy changes during his presidency.
Among the anti-abortion actions taken by the Trump administration were a reinstatement of the “Mexico City Policy” that bars giving federal funds to international organizations that support abortion rights; a regulation to bar Planned Parenthood and other organizations that provide abortions from the federal family planning program, Title X; regulatory changes designed to make it easier for health care providers and employers to decline to participate in activities that violate their religious and moral beliefs; and other changes that made it harder for NIH scientists to conduct research using fetal tissue from elective abortions.
All of those policies have since been overturned by the Biden administration.
Health Insurance
Unlike Trump’s policies on reproductive health, many of his administration’s moves related to health insurance still stand.
For example, in 2020, Trump signed into law the No Surprises Act, a bipartisan measure aimed at protecting patients from unexpected medical bills stemming from payment disputes between health care providers and insurers. The bill was included in the $900 billion covid relief package he opposed before signing, though Trump had expressed support for ending surprise medical bills.
His administration also pushed — over the vehement objections of health industry officials — price transparency regulations that require hospitals to post prices and insurers to provide estimated costs for procedures. Those requirements also remain in place, although hospitals in particular have been slow to comply.
Medicaid
While first-time candidate Trump vowed not to cut popular entitlement programs like Medicare, Medicaid, and Social Security, his administration did not stick to that promise. The Affordable Care Act repeal legislation Trump supported in 2017 would have imposed major cuts to Medicaid, and his Department of Health and Human Services later encouraged states to require Medicaid recipients to prove they work in order to receive health insurance.
Drug Prices
One of the issues the Trump administration was most active on was reducing the price of prescription drugs for consumers — a top priority for both Democratic and Republican voters. But many of those proposals were blocked by the courts.
One Trump-era plan that never took effect would have pegged the price of some expensive drugs covered by Medicare to prices in other countries. Another would have required drug companies to include prices in their television advertisements.
A regulation allowing states to import cheaper drugs from Canada did take effect, in November 2020. However, it took until January 2024 for the FDA, under Trump’s successor, to approve the first importation plan, from Florida. Canada has said it won’t allow exports that risk causing drug shortages in that country, leaving unclear whether the policy is workable.
Trump also signed into law measures allowing pharmacists to disclose to patients when the cash price of a drug is lower than the cost using their insurance. Previously pharmacists could be barred from doing so under their contracts with insurers and pharmacy benefit managers.
Veterans’ Health
Trump is credited by some advocates for overhauling Department of Veterans Affairs health care. However, while he did sign a major bill allowing veterans to obtain care outside VA facilities, White House officials also tried to scuttle passage of the spending needed to pay for the initiative.
Medical Freedom
Trump scored a big win for the libertarian wing of the Republican Party when he signed into law the “Right to Try Act,” intended to make it easier for patients with terminal diseases to access drugs or treatments not yet approved by the FDA.
But it is not clear how many patients have managed to obtain treatment using the law because it is aimed at the FDA, which has traditionally granted requests for “compassionate use” of not-yet-approved drugs anyway. The stumbling block, which the law does not address, is getting drug companies to release doses of medicines that are still being tested and may be in short supply.
Trump said in a Jan. 10 Fox News town hall that the law had “saved thousands and thousands” of lives. There’s no evidence for the claim.
KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the core operating programs at KFF—an independent source of health policy research, polling, and journalism. Learn more about KFF.
Subscribe to KFF Health News’ free Morning Briefing.
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Rehab Science – by Dr. Tom Walters
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Many books of this kind deal with the injury but not the pain; some source talk about pain but not the injury; this one does both, and more.
Dr. Walters discusses in detail the nature of pain, various different kinds of pain, the factors that influence pain, and, of course, how to overcome pain.
He also takes us on a tour of various different categories of injury, because some require very different treatment than others, and while there are some catch-all “this is good/bad for healing” advices, sometimes what will help with one injury with hinder healing another. So, this information alone would make the book a worthwhile read already.
After this two-part theory-heavy introduction, the largest part of the book is given over to rehab itself, in a practical fashion.
We learn about how to make an appropriate rehab plan, get the material things we need for it (if indeed we need material things), and specific protocols to follow for various different body parts and injuries.
The style is very much that of a textbook, well-formatted and with plenty of illustrations throughout (color is sometimes relevant, so we recommend a print edition over Kindle for this one).
Bottom line: if you have an injury to heal, or even just believe in being prepared, this book is an excellent guide.
Click here to check out Rehab Science, to overcome pain and heal from injury!
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Chatter – by Dr. Ethan Kross
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This book is about much more than just one’s internal monologue. It does tackle that, but also the many non-verbal rabbit-holes that our brains can easily disappear into.
The author is an experimental psychologist, and brings his professional knowledge and experience to bear on this problem—citing many studies, including his own studies from his own lab, in which he undertook to answer precisely the implicit questions of “How can I…” in terms of tackling these matters, from root anxiety (for example) to end-state executive dysfunction (for example).
The writing style isn’t dense science though, and is very approachable for all.
The greatest value in this book lies in its prescriptive element, that is to say, its advice, especially in the category of evidence-based things we can do to improve matters for ourselves; beyond generic things like “mindfulness-based stress reduction” to much more specific things like “observe yourself in the 3rd person for a moment” and “take a break to imagine looking back on this later” and “interrupt yourself with a brief manual task”. With these sorts of interventions and more, we can shift the voice in our head from critic to coach.
Bottom line: if you would like your brain to let you get on with the things you actually want to do instead of constantly sidetracking you, this is the book for you.
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Kava vs Anxiety
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Kava, sometimes also called “kava kava” but we’re just going to call it kava once for the sake of brevity, is a heart-shaped herb that
bestows the powers of the Black Pantheris popularly enjoyed for its anxiolytic (anxiety-reducing) effects. Despite the similarity of the name in many languages, it is unrelated to coffee (except insofar as they are both plants), and its botanical name is Piper methysticum.Does it work?
Yes! At least in the short-term; more on that later.
Firstly, you may be wondering how it works; it works by its potentiation of GABA receptors in the brain. GABA (or gamma-aminobutyric acid, to give it its full name), as you may recall, is a neurotransmitter that is associated with feelings of calm; we wrote about it here:
So, what does “potentiation of GABA receptors” mean? It means… Scientists don’t for 100% sure know how it works yet, but it does make GABA receptors fire more. It’s possible that to some degree GABA fits the “molecular lock” of the receptors and causes them to say “GABA is here”; it’s also possible that they just make them more sensitive to the real GABA that is there, or there could be another explanation as yet undiscovered. Either way, it means that taking kava has a similar effect to having increased GABA levels in the brain:
As for how much to use, 20–300mg appears to be an effective dose, and most sources recommend 80–250mg:
Kava as a Clinical Nutrient: Promises and Challenges
This review of clinical trials found that it was more effective than placebo in only 3 of 7 trials; specifically, it was beneficial in the short-term and not in the long-term. For these reasons, the researchers concluded:
❝Kava Kava appears to be a short-term treatment for anxiety, but not a replacement for prolonged anti-anxiety use. Although not witnessed in this review, liver toxicity is especially possible if taken longer than 8 weeks.❞
Another review of clinical trials found better results over the course of 11 clinical trials, though again, short-term treatment only was considered to be where the “safe and effective” claim can be placed:
❝Compared with placebo, kava extract appears to be an effective symptomatic treatment option for anxiety. The data available from the reviewed studies suggest that kava is relatively safe for short-term treatment (1 to 24 weeks), although more information is required. Further rigorous investigations, particularly into the long-term safety profile of kava are warrant❞
Source: Kava extract for treating anxiety
Is it safe?
Nope! It has been associated with liver damage:
The likely main mechanism of toxicity is that it simply monopolizes the liver’s metabolic abilities, meaning that while it’s metabolizing the kava, it’s not metabolizing other things (such as alcohol or other medications), which will then build up, and potentially overwhelm the liver:
Constituents in kava extracts potentially involved in hepatotoxicity: a review
However, traditionally-prepared kava has not had the same effect as modern extracts; at first it seemed the difference was the traditional aqueous extracts vs modern acetonic/ethanolic extracts, but eventually that was found not to be the case, as toxicity occurred with industrial aqueous extracts too. The conclusion so far is that it is about the quality of the source ingredients, and the problems inherent to mass-production:
Meanwhile, short-term use doesn’t seem to have this problem, if you’re not drinking alcohol or taking medications that affect the liver:
Mechanisms/risk factors – kava-associated hepatotoxicity ← you’ll need to scroll down to 4.2.4 to read about this
Want to try it?
If the potential for hepatotoxicity doesn’t put you off, here’s an example product on Amazon ← we do not recommend it, but we are not the boss of you, and maybe you’re confident about your liver and want to use it only very short-term?
Take care!
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Should We Skip Shampoo?
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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 😎
❝What’s the science on “no poo”? Is it really better for hair? There are so many mixed reports out there.❞
First, for any unfamiliar: this is not about constipation; rather, it is about skipping shampoo, and either:
- Using an alternative cleaning agent, such as vinegar and/or sodium bicarbonate
- Using nothing at all, just conditioner when wet and brushing when dry
Let’s examine why the trend became a thing: the thinking went “shampoo does not exist in nature, and most of our body is more or less self-cleaning; shampoos remove oils from hair, and the body has to produce more sebum to compensate, resulting in a rapid cycle of dry and greasy hair”.
Now let’s fact-check each of those:
- shampoo does not exist in nature: true (except in the sense that everything that exists can be argued to exist in nature, since nature encompasses everything—but the point is that shampoo is a purely artificial human invention)
- most of our body is more or less self-cleaning: true, but our hair is not, for the same reason our nails are not: they’re not really a living part of the overall organism that is our body, so much as a keratinous protrusion of neatly stacked and hardened dead cells from our body. Dead things are not self-cleaning.
- shampoos remove oils from hair: true; that is what they were invented for and they do it well
- the body has to produce more sebum to compensate, resulting in a rapid cycle of dry and greasy hair: false; or at least, there is no evidence for this.
Our hair’s natural oils are great at protecting it, and also great at getting dirt stuck in it. For the former reason we want the oil there; for the latter reason, we don’t.
So the trick becomes: how to remove the oil (and thus the dirt stuck in it) and then put clean oil back (but not too much, because we don’t want it greasy, just, shiny and not dry)?
The popular answer is: shampoo to clean the hair, conditioner to put an appropriate amount of oil* back.
*these days, mostly not actually oil, but rather silicon-based substitutes, that do the same job of protecting hair and keeping it shiny and not brittle, without attracting so much dirt. Remember also that silicon is inert and very body safe; its molecules are simply too large to be absorbed, which is why it gets used in hair products, some skin products, and lube.
See also: Water-based Lubricant vs Silicon-based Lubricant – Which is Healthier?
If you go “no poo”, then what will happen is either you dry your hair out much worse by using vinegar or (even worse) bicarbonate of soda, or you just have oil (and any dirt stuck in it) in your hair for the life of the hair. As in, each individual strand of hair has a lifespan, and when it falls out, the dirt will go with it. But until that day, it’s staying with you, oil and dirt and all.
If you use a conditioner after using those “more natural” harsh cleaners* that aren’t shampoo, then you’ll undo a lot of the damage done, and you’ll probably be fine.
*in fact, if you’re going to skip shampoo, then instead of vinegar or bicarbonate of soda, dish soap from your kitchen may actually do less damage, because at least it’s pH-balanced. However, please don’t use that either.
If you’re going to err one way or the other with regard to pH though, erring on the side of slightly acidic is much better than slightly alkaline.
More on pH: Journal of Trichology | The Shampoo pH can Affect the Hair: Myth or Reality?
If you use nothing, then brushing a lot will mitigate some of the accumulation of dirt, but honestly, it’s never going to be clean until you clean it.
Our recommendation
When your hair seems dirty, and not before, wash it with a simple shampoo (most have far too many unnecessary ingredients; it just needs a simple detergent, and the rest is basically for marketing; to make it foam completely unnecessarily but people like foam, to make it thicker so it feels more substantial, to make it smell nice, to make it a color that gives us confidence it has ingredients in it, etc).
Then, after rinsing, enjoy a nice conditioner. Again there are usually a lot of unnecessary ingredients, but an argument can be made this time for some being more relevant as unlike with the shampoo, many ingredients are going to remain on your hair after rinsing.
Between washes, if you have long hair, consider putting some hair-friendly oil (such as argan oil or coconut oil) on the tips daily, to avoid split ends.
And if you have tight curly hair, then this advice goes double for you, because it takes a lot longer for natural oils to get from your scalp to the ends of your hair. For those of us with straight hair, it pretty much zips straight on down there within a day or two; not so if you have beautiful 4C curls to take care of!
For more on taking care of hair gently, check out:
Gentler Hair Care Options, According To Science
Take care!
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