Are Brain Chips Safe?
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Ready For Cyborgization?
In yesterday’s newsletter, we asked you for your views on Brain-Computer Interfaces (BCIs), such as the Utah Array and Neuralink’s chips on/in brains that allow direct communication between brains and computers, so that (for example) a paralysed person can use a device to communicate, or manipulate a prosthetic limb or two.
We didn’t get as many votes as usual; it’s possible that yesterday’s newsletter ended up in a lot of spam filters due to repeated use of a word in “extra ______ olive oil” in its main feature!
However, of the answers we did get…
- About 54% said “It’s bad enough that our phones spy on us, without BCI monitoring our thoughts as well!”
- About 23% said “Sounds great in principle, but I don’t think we’re there yet safetywise”
- About 19% said “Sign me up for technological telepathy! I am ready for assimilation”
- One (1) person said “Electrode outside the skull are good; chips on the brain are bad”
But what does the science say?
We’re not there yet safetywise: True or False?
True, in our opinion, when it comes to the latest implants, anyway. While it’s very difficult to prove a negative (it could be that everything goes perfectly in human trials), “extraordinary claims require extraordinary evidence”, and so far this seems to be lacking.
The stage before human trials is usually animal trials, starting with small creatures and working up to non-human primates if appropriate, before finally humans.
- Good news: the latest hot-topic BCI device (Neuralink) was tested on animals!
- Bad news: to say it did not go well would be an understatement
The Gruesome Story of How Neuralink’s Monkeys Actually Died
The above is a Wired article, and we tend to go for more objective sources, however we chose this one because it links to very many objective sources, including an open letter from the Physicians’ Committee for Responsible Medicine, which basically confirms everything in the Wired article. There are lots of links to primary (medical and legal) sources, too.
Electrodes outside the skull are good; chips on/in the brain are bad: True or False?
True or False depending on how they’re done. The Utah Array (an older BCI implant, now 20 years old, though it’s been updated many times since) has had a good safety record, after being used by a few dozen people with paralysis to control devices:
How the Utah Array is advancing BCI science
The Utah Array works on the same general principle as Neuralink, but the mechanics of its implementation are very different:
- The Utah Array involves a tiny bundle of microelectrodes (held together by a rigid structure that looks a bit like a nanoscale hairbrush) put in place by a brain surgeon, and that’s that.
- The Neuralink has a dynamic web of electrodes, implanted by a little robot that acts like a tiny sewing machine to implant many polymer threads, each containing its own a bunch of electrodes.
In theory, the latter is much more advanced. In practice, so far, the former has a much better safety record.
I am right to be a little worried about giving companies access to my brain: True or False?
True or False, depending on the nature of your concern.
For privacy: current BCI devices have quite simple switches operated consciously by the user. So while technically any such device that then runs its data through Bluetooth or WiFi could be hacked, this risk is no greater than using a wireless mouse and/or keyboard, because it has access to about the same amount of information.
For safety: yes, probably there is cause to be worried. Likely the first waves of commercial users of any given BCI device will be severely disabled people who are more likely to waive their rights in the hope of a life-changing assistance device, and likely some of those will suffer if things go wrong.
Which on the one hand, is their gamble to make. And on the other hand, makes rushing to human trials, for companies that do that, a little more predatory.
Take care!
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The End of Old Age – by Dr. Marc Agronin
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First, what this book is not: a book about ending aging. For that, you would want to check out “Ending Aging”, by Dr. Aubrey de Grey.
What this book actually is: a book about the purpose of aging. As in: “aging: to what end?”, and then the book answers that question.
Rather than viewing aging as solely a source of decline, this book (while not shying away from that) resolutely examines the benefits of old age—from clinically defining wisdom, to exploring the many neurological trade-offs (e.g., “we lose this thing but we get this other thing in the process”), and the assorted ways in which changes in our brain change our role in society, without relegating us to uselessness—far from it!
The style of the book is deep and meaningful prose throughout. Notwithstanding the author’s academic credentials and professional background in geriatric psychiatry, there’s no hard science here, just comprehensible explanations of psychiatry built into discussions that are often quite philosophical in nature (indeed, the author additionally has a degree in psychology and philosophy, and it shows).
Bottom line: if you’d like your own aging to be something you understand better and can actively work with rather than just having it happen to you, then this is an excellent book for you.
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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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Healing Cracked Fingers
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It’s Q&A Day at 10almonds!
Have a question or a request? You can always hit “reply” to any of our emails, or use the feedback widget at the bottom!
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
❝Question. Suffer from cracked (split) finger tips in the cold weather. Very painful, is there something I can take to ward off this off. Appreciate your daily email.❞
Ouch, painful indeed! Aside from good hydration (which is something we easily forget in cold weather), there’s no known internal guard against this*, but from the outside, oil-based moisturizers are the way to go.
Olive oil, coconut oil, jojoba oil, and shea butter are all fine options.
If the skin is broken such that infection is possible, then starting with an antiseptic ointment/cream is sensible. A good example product is Savlon, unless you are allergic to its active ingredient chlorhexidine.
*However, if perchance you are also suffering from peripheral neuropathy (a common comorbidity of cracked skin in the extremities), then lion’s main mushroom can help with that.
Writer’s anecdote: I myself started suffering from peripheral neuropathy in my hands earlier this year, doubtlessly due to some old injuries of mine.
However, upon researching for the above articles, I was inspired to try lion’s mane mushroom for myself. I take it daily, and have now been free of symptoms of peripheral neuropathy for several months.
Here’s an example product on Amazon, by the way
Enjoy!
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The Foot Book – by Dr. Todd Brennan & Dr. Leslie Johnston
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This book really is what the subtitle claims it to be: “everything you need to know to take care of your feet”.
Arthritis, bunions, corns, diabetes, eczema, fungus, gout, heel pain, ingrown toenails, joint issues, and that’s just one item for each of the first 10 letters of the alphabet.
There’s a lot in here; the point is that it covers everything from the “serious” to the “cosmetic”, so whether you want to be a foot model for an expensive perfume company or just want to walk without pain, the answer is probably in here.
The goal of this book is to be comprehensive like that, and also with an open agenda to educate the world as to what it actually is that podiatrists do (hint: their years of medical school and further training in residency are not just so that they can trim toenails nicely).
The style is very light and readable, as one might expect from a pair of doctors with many years of experience of explaining exactly these things to patients every day.
Bottom line: if you have feet and would like them to be/remain in good condition, this book is an invaluable resource!
Click here to check out The Foot Book, and take good care of yours!
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How To Beat Loneliness & Isolation
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Overcoming Loneliness & Isolation
One of the biggest mental health threats that faces many of us as we get older is growing isolation, and the loneliness that can come with it. Family and friends thin out over the years, and getting out and about isn’t always as easy as it used to be for everyone.
Nor is youth a guaranteed protection against this—in today’s world of urban sprawl and nothing-is-walkable cities, in which access to social spaces such as cafés and the like means paying the rising costs with money that young people often don’t have… And that’s without getting started on how much the pandemic impacted an entire generation’s social environments (or lack thereof).
Why is this a problem?
Humans are, by evolution, social creatures. As individuals we may have something of a spectrum from introvert to extrovert, but as a species, we thrive in community. And we suffer, when we don’t have that.
What can we do about it?
We can start by recognizing our needs, such as they are, and identifying to what extent they are being met (or not).
- Some of us may be very comfortable with a lot of alone time—but need someone to talk to sometimes.
- Some of us may need near-constant company to feel at our best—and that’s fine too! We just need to plan accordingly.
In the former case, it’s important to remember that needing someone to talk to is not being a burden to them. Not only will our company probably enrich them too, but also, we are evolved to care for one another, and that itself can bring fulfilment to them as much as to you. But what if you don’t a friend to talk to?
- You might be surprised at who would be glad of you reaching out. Have a think through whom you know, and give it a go. This can be scary, because what if they reject us, or worse, they don’t reject us but silently resent us instead? Again, they probably won’t. Human connection requires taking risks and being vulnerable sometimes.
- If that’s not an option, there are services that can fill your need. For some, therapy might serve a dual purpose in this regard. For others, you might want to check out the list of (mostly free) resources at the bottom of this article
In the second case (that we need near-constant company to feel at our best) we probably need to look more at our overall lifestyle, and find ways to be part of a community. That can include:
- Living in a close-knit community (places with a lot of retirees in one place often have this; or younger folk might look at communal living/working spaces, for example)
- Getting involved in local groups (you can check out NextDoor.com or MeetUp.com for this)
- Volunteering for a charity (not only are acts of service generally fulfilling in and of themselves, but also, you will probably be working with other people of a charitable nature, and such people tend to make for good company!)
Need a little help?
There are many, many organizations that will love to help you (or anyone else) overcome loneliness and isolation.
Rather than list them all here and make this email very long by describing how each of them works, here’s a great compilation of resources:
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Is Ant Oil Just “Snake Oil”?
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We Tested Out “Ant Egg Oil”
Did you know?! There’s a special protein found only in the eggs of a particular species of ant found in Turkey, that can painlessly and permanently stop (not just slow!) hair regrowth in places you’d rather not have hair.
Neither did we, and when we heard about it, we did our usual research, and discovered a startling secret.
…there probably isn’t.
We decided to dig deeper, and the plot (unlike the hair in question) thickens:
We could not find any science for or against (or even generally about) the use of ant egg oil to prevent hair regrowth. Not a peep. What we did find though was a cosmetic chemist who did an analysis of the oil as sold, and found its main ingredient appears to be furan-2-carbaldehyde, or Furfural, to its friends.
Surprise! There’s also no science that we could find about the effect of Furfural (we love the name, though! Fur for all!) on hair, except that it’s bad for rodents (and their hair) if they eat a lot of it. So please don’t eat it. Especially if you’re a mouse.
And yet, many ostensibly real reviews out in the wild claim it works wonders. So, we took the investigative reporting approach and tried it ourselves.
That’s right, a plucky member of our team tried it, and she reports:
❝ At first glance, it seems like olive oil. There’s something else though, adding a darker colour and a slight bitterness to the smell.
After waxing, I applied a little every few days. When the hair eventually regrew (and it did), it grew back thinner, and removing the new hairs was a strangely easy experience, like pulling hairs out of soft soap instead of out of skin. It didn’t hurt at all, either.
I had more of the oil, so I kept going with the treatment, and twelve weeks later there are very few hairs regrowing at all; probably there will be none left soon. Whatever’s in this, be it from ant eggs or wheat bran or something else entirely, it worked for me!❞
So in short: it remains a mystery for now! If you try it, let us know how it went for you.
Here’s the “interesting” website that sells it, though you may find it for less on eBay or similar. (Note, we aren’t earning any commissions from these links. We just wanted to make it easier for you to dive deeper).
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