Are Brain Chips Safe?

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Ready For Cyborgization?

A bar chart showing the percentage of people who use social media, emphasizing its safety.

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 Pains That Good Posture Now Can Help You Avoid Later

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    Dr. Murat Dalkilinç explains:

    As a rule…

    Posture is the foundation for all body movements and good posture helps the body adapt to stress.

    Problems arise when poor posture causes muscles to overwork in ways that are not good for them, becoming tight or inhibited over time. Bad posture can lead to wear and tear on joints, increase accident risk, and make some organs (like the lungs, which feed everything else with the oxygen necessary for normal functioning) less efficient. It’s also of course linked to issues like scoliosis, tension headaches, and back pain, and can even affect emotions and pain sensitivity.

    Good posture includes straight alignment of vertebrae when viewed from the front/back, and three natural curves in a (very!) gentle S-shape when viewed from the side. Proper posture allows for efficient movement, reduces fatigue, and minimizes muscle strain. For sitting posture, the neck should be vertical, shoulders relaxed, arms close to the body, and knees at a right angle with feet flat.

    But really, one should avoid sitting, to whatever extent is reasonably possible. Standing is better than sitting; walking is better than standing. Movement is crucial, as being stationary for extended periods, even with good posture, is not good for our body.

    Advices given include: adjust your environment, use ergonomic aids, wear supportive shoes, and keep moving. Regular movement and exercise keep muscles strong to support the body.

    For more on all this, enjoy:

    Click Here If The Embedded Video Doesn’t Load Automatically!

    Want to learn more?

    You might also like to read:

    Beyond Just Good Posture: 6 Ways To Look After Your Back

    Take care!

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  • Brussels Sprouts vs Broccoli – 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 sprouts to broccoli, we picked the sprouts.

    Why?

    First let’s note that we have an interesting comparison today, because these two plants are the exact same species (and indeed, also the exact same species as cabbage, cauliflower. and kale)—just a different cultivar. All of these plants and more are simply cultivars of Brassica oleracea.

    Them being the same species notwithstanding, there are nutritional differences:

    In terms of macros, sprouts have slightly more protein, carbohydrates, and fiber, whereas broccoli has slightly more water weight. An easy win for sprouts here.

    In the category of vitamins, sprouts have more of vitamins A, B1, B3, B6, C, E, and K, while broccoli has more of vitamins B2 and B5. Another easy win for sprouts.

    When it comes to minerals, sprouts again lead with more copper, iron, magnesium, manganese, phosphorus, and potassium, while broccoli has more calcium and selenium.

    A note on oxalates: while oxalates are not a problem for most people, it is important to be mindful of them if one has kidney problems. You may know that spinach (a fellow green vegetable high in vitamins and minerals, as well as being a fellow oleracea, albeit of a different genus, so not the same species for once) is high in oxalates, but these two Brassica oleracea we compared today are amongst the lowest in oxalates (source 1 | source 2), making them an ideal way to get vitamins, minerals, and fiber on an oxalate-controlled diet.

    Since both are also high in polyphenols, especially kaempferol and quercetin, we’ll mention that sprouts have more lignans while broccoli has more flavonoids. In short: they’re both very good, just different.

    As ever, enjoy both! But if you’re going to pick one for total best nutritional density, it’s sprouts.

    Want to learn more?

    You might like to read:

    Sprout Your Seeds, Grains, Beans, Etc ← sprout your Brassica oleracea, too!

    Take care!

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  • Ginkgo Biloba, For Memory And, Uh, What Else Again?

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    Ginkgo biloba, for memory and, uh, what else again?

    Ginkgo biloba extract has enjoyed use for thousands of years for an assortment of uses, and has made its way from Traditional Chinese Medicine, to the world supplement market at large. See:

    Ginkgo biloba: A Treasure of Functional Phytochemicals with Multimedicinal Applications

    But what does the science say about the specific claims?

    Antioxidant & anti-inflammatory

    We’re going to lump these two qualities together for examination, since one invariably leads to the other.

    A quick note: things that have antioxidant and anti-inflammatory properties, often also help guard against cancer and aging. However, in this case, there are few good studies pertaining to anti-aging, and none that we could find pertaining to anti-cancer potential.

    So, does it have antioxidant and anti-inflammatory properties, first?

    Yes, it has potent antioxidants that do fight inflammation; this is clear, from an abundance of in vitro and in vivo studies, including with human patients:

    In short: it helps, and there’s plenty of science for it.

    What about anti-aging effects?

    For this, there is science, but a lot of the science is not great. As one team of researchers concluded while doing a research review of their own:

    ❝Based on the reviewed information regarding EGb’s effects in vitro and in vivo, most have reported very positive outcomes with strong statistical analyses, indicating that EGb must have some sort of beneficial effect.

    However, information from the reported clinical trials involving EGb are hardly conclusive since many do not include information such as the participant’s age and physical condition, drug doses administered, duration of drug administered as well as suitable control groups for comparison.

    We therefore call on clinicians and clinician-scientists to establish a set of standard and reliable standard operating procedure for future clinical studies to properly evaluate EGb’s effects in the healthy and diseased person since it is highly possible it possesses beneficial effects.❞

    Translation from sciencese: “These results are great, but come on, please, we are begging you to use more robust methodology”

    ~ Zuo et al

    If you’d like to read the review in question, here it is:

    Advances in the Studies of Ginkgo Biloba Leaves Extract on Aging-Related Diseases

    Does it have cognitive enhancement effects?

    The claims here are generally that it helps:

    • improve memory
    • improve focus
    • reduce cognitive decline
    • reduce anxiety and depression

    Let’s break these down:

    Does it improve memory and cognition?

    Ginkgo biloba was quite popular for memory 20+ years ago, and perhaps had an uptick in popularity in the wake of the 1999 movie “Analyze This” in which the protagonist psychiatrist mentions taking ginkgo biloba, because “it helps my memory, and I forget what else”.

    Here are a couple of studies from not long after that:

    In short:

    • in the first study, it helped in standardized tests of memory and cognition (quite convincing)
    • In the second study, it helped in subjective self-reports of mental wellness (also placebo-controlled)

    On the other hand, here’s a more recent research review ten years later, that provides measures of memory, executive function and attention in 1132, 534 and 910 participants, respectively. That’s quite a few times more than the individual studies we cited above, by the way. They concluded:

    ❝We report that G. biloba had no ascertainable positive effects on a range of targeted cognitive functions in healthy individuals❞

    ~ Laws et al

    Read: Is Ginkgo biloba a cognitive enhancer in healthy individuals? A meta-analysis

    Our (10almonds) conclusion: we can’t say either way, on this one.

    Does it have neuroprotective effects (i.e., against cognitive decline)?

    Yes—probably by the same mechanism will discuss shortly.

    Can it help against depression and anxiety?

    Yes—but probably indirectly by the mechanism we’ll get to in a moment:

    Likely this helps by improving blood flow, as illustrated better per:

    Efficacy of ginkgo biloba extract as augmentation of venlafaxine in treating post-stroke depression

    Which means…

    Bonus: improved blood flow

    This mechanism may support the other beneficial effects.

    See: Ginkgo biloba extract improves coronary blood flow in healthy elderly adults

    Is it safe?

    Ginkgo biloba extract* is generally recognized as safe.

    • However, as it improves blood flow, please don’t take it if you have a bleeding disorder.
    • Additionally, it may interact badly with SSRIs, so you might want to avoid it if you’re taking such (despite it having been tested and found beneficial as an adjuvant to citalopram, an SSRI, in one of the studies above).
    • No list of possible contraindications can be exhaustive, so please consult your own doctor/pharmacist before taking something new.

    *Extract, specifically. The seeds and leaves of this plant are poisonous. Sometimes “all natural” is not better.

    Where can I get it?

    As ever, we don’t sell it (or anything else), but here’s an example product on Amazon

    Enjoy!

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Related Posts

  • The Bitter Truth About Coffee (or is it?)
  • How To Recover Quickly From A Stomach Bug

    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.

    How To Recover Quickly From A Stomach Bug

    Is it norovirus, or did you just eat something questionable? We’re not doctors, let alone your doctors, and certainly will not try to diagnose from afar. And as ever, if unsure and/or symptoms don’t go away or do get worse, seek professional medical advice.

    That out of the way, we can give some very good general-purpose tips for this one…

    Help your immune system to help you

    So far as you can, you want a happy healthy immune system. For the most part, we’d recommend the following things:

    Beyond Supplements: The Real Immune-Boosters!

    …but you probably don’t want to be exercising with a stomach bug, so perhaps sit that one out. Exercise is the preventative; what you need right now is rest.

    Hydrate—but watch out

    Hydration is critical for recovery especially if you have diarrhea, but drinking too much water too quickly will just make things worse. Great options for getting good hydration more slowly are:

    • Peppermint tea
      • (peppermint also has digestion-settling properties)
    • Ginger tea
    • Broths
      • These will also help replenish your sodium and other nutrients, gently. Chicken soup for your stomach, and all that. A great plant-based option is sweetcorn soup.
      • By broths, we mean clear(ish) water-based soups. This is definitely not the time for creamier soups.

    ❝Milk and dairy products should be avoided for 24 to 48 hours as they can make diarrhea worse.

    Initial dietary choices when refeeding should begin with soups and broth.❞

    Source: American College of Gastroenterology

    Other things to avoid

    Caffeine stimulates the digestion in a way that can make things worse.

    Fat is more difficult to digest, and should also be avoided until feeling better.

    To medicate or not to medicate?

    Loperamide (also known by the brand name Imodium) is generally safe when used as directed.

    Click here to see its uses, dosage, side effects, and contraindications

    Antibiotics may be necessary for certain microbial infections, but should not be anyone’s first-choice treatment unless advised otherwise by your doctor/pharmacist.

    Note that if your stomach bug is not something that requires antibiotics, then taking antibiotics can actually make it worse as the antibiotics wipe out your gut bacteria that were busy helping fight whatever’s going wrong in there:

    A gentler helper

    If you want to give your “good bacteria” a hand while giving pathogens a harder time of it, then a much safer home remedy is a little (seriously, do not over do it; we are talking 1–2 tablespoons, or around 20ml) apple cider vinegar, taken diluted in a glass of water.

    ❝Several studies indicate apple cider vinegar (ACV)’s usefulness in lowering postprandial glycemic response, specifically by slowing of gastric motility❞

    (Slowing gastric motility is usually exactly what you want in the case of a stomach bug, and apple cider vinegar)

    Source: Effectiveness of Nutritional Ingredients on Upper Gastrointestinal Conditions and Symptoms: A Narrative Review

    See also:

    Take care!

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  • Native Americans Have Shorter Life Spans. Better Health Care Isn’t the Only Answer.

    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.

    HISLE, S.D. — Katherine Goodlow is only 20, but she has experienced enough to know that people around her are dying too young.

    Goodlow, a member of the Lower Brule Sioux Tribe, said she’s lost six friends and acquaintances to suicide, two to car crashes, and one to appendicitis. Four of her relatives died in their 30s or 40s, from causes such as liver failure and covid-19, she said. And she recently lost a 1-year-old nephew.

    “Most Native American kids and young people lose their friends at a young age,” said Goodlow, who is considering becoming a mental health therapist to help her community. “So, I’d say we’re basically used to it, but it hurts worse every time we lose someone.”

    Native Americans tend to die much earlier than white Americans. Their median age at death was 14 years younger, according to an analysis of 2018-21 data from the Centers for Disease Control and Prevention

    The disparity is even greater in Goodlow’s home state. Indigenous South Dakotans who died between 2017 and 2021 had a median age of 58 — 22 years younger than white South Dakotans, according to state data.

    Donald Warne, a physician who is co-director of the Johns Hopkins Center for Indigenous Health and a member of the Oglala Sioux Tribe, can rattle off the most common medical conditions and accidents killing Native Americans.

    But what’s ultimately behind this low life expectancy, agree Warne and many other experts on Indigenous health, are social and economic forces. They argue that in addition to bolstering medical care and fully funding the Indian Health Service — which provides health care to Native Americans — there needs to be a greater investment in case management, parenting classes, and home visits.

    “It’s almost blasphemy for a physician to say,” but “the answer to addressing these things is not hiring more doctors and nurses,” Warne said. “The answer is having more community-based preventions.”

    The Indian Health Service funds several kinds of these programs, including community health worker initiatives, and efforts to increase access to fresh produce and traditional foods.

    Private insurers and state Medicaid programs, including South Dakota’s, are increasingly covering such services. But insurers don’t pay for all the services and aren’t reaching everyone who qualifies, according to Warne and the National Academy for State Health Policy.

    Warne pointed to Family Spirit, a program developed by the Johns Hopkins center to improve health outcomes for Indigenous mothers and children.

    Chelsea Randall, the director of maternal and child health at the Great Plains Tribal Leaders’ Health Board, said community health workers educate Native pregnant women and connect them with resources during home visits.

    “We can be with them throughout their pregnancy and be supportive and be the advocate for them,” said Randall, whose organization runs Family Spirit programs across seven reservations in the Dakotas, and in Rapid City, South Dakota.

    The community health workers help families until children turn 3, teaching parenting skills, family planning, drug abuse prevention, and stress management. They can also integrate the tribe’s culture by, for example, using their language or birthing traditions.

    The health board funds Family Spirit through a grant from the federal Health Resources and Services Administration, Randall said. Community health workers, she said, use some of that money to provide child car seats and to teach parents how to properly install them to counter high rates of fatal crashes.

    Other causes of early Native American deaths include homicide, drug overdoses, and chronic diseases, such as diabetes, Warne said. Native Americans also suffer a disproportionate number of infant and maternal deaths.

    The crisis is evident in the obituaries from the Sioux Funeral Home, which mostly serves Lakota people from the Pine Ridge Reservation and surrounding area. The funeral home’s Facebook page posts obituaries for older adults, but also for many infants, toddlers, teenagers, young adults, and middle-aged residents.

    Misty Merrival, who works at the funeral home, blames poor living conditions. Some community members struggle to find healthy food or afford heat in the winter, she said. They may live in homes with broken windows or that are crowded with extended family members. Some neighborhoods are strewn with trash, including intravenous needles and broken bottles.

    Seeing all these premature deaths has inspired Merrival to keep herself and her teenage daughter healthy by abstaining from drugs and driving safely. They also talk every day about how they’re feeling, as a suicide-prevention strategy.

    “We’ve made a promise to each other that we wouldn’t leave each other like that,” Merrival said.

    Many Native Americans live in small towns or on poor, rural reservations. But rurality alone doesn’t explain the gap in life expectancy. For example, white people in rural Montana live 17 years longer, on average, than Native Americans in the state, according to state data reported by Lee Enterprises newspapers.

    Many Indigenous people also face racism or personal trauma from child or sexual abuse and exposure to drugs or violence, Warne said. Some also deal with generational trauma from government programs and policies that broke up families and tried to suppress Native American culture.

    Even when programs are available, they’re not always accessible.

    Families without strong internet connections can’t easily make video appointments. Some lack cars or gas money to travel to clinics, and public transportation options are limited.

    Randall, the health board official, is pregnant and facing her own transportation struggles.

    It’s a three-hour round trip between her home in the town of Pine Ridge and her prenatal appointments in Rapid City. Randall has had to cancel several appointments when family members couldn’t lend their cars.

    Goodlow, the 20-year-old who has lost several loved ones, lives with seven other people in her mother’s two-bedroom house along a gravel road. Their tiny community on the Pine Ridge Reservation has homes and ranches but no stores.

    Goodlow attended several suicide-prevention presentations in high school. But the programs haven’t stopped the deaths. One friend recently killed herself after enduring the losses of her son, mother, best friend, and a niece and nephew.

    A month later, another friend died from a burst appendix at age 17, Goodlow said. The next day, Goodlow woke up to find one of her grandmother’s parakeets had died. That afternoon, she watched one of her dogs die after having seizures.

    “I thought it was like some sign,” Goodlow said. “I started crying and then I started thinking, ‘Why is this happening to me?’”

    Warne said the overall conditions on some reservations can create despair. But those same reservations, including Pine Ridge, also contain flourishing art scenes and language and cultural revitalization programs. And not all Native American communities are poor.

    Warne said federal, state, and tribal governments need to work together to improve life expectancy. He encourages tribes to negotiate contracts allowing them to manage their own health care facilities with federal dollars because that can open funding streams not available to the Indian Health Service.

    Katrina Fuller is the health director at Siċaŋġu Co, a nonprofit group on the Rosebud Reservation in South Dakota. Fuller, a member of the Rosebud Sioux Tribe, said the organization works toward “wicozani,” or the good way of life, which encompasses the physical, emotional, cultural, and financial health of the community.

    Siċaŋġu Co programs include bison restoration, youth development, a Lakota language immersion school, financial education, and food sovereignty initiatives.

    “Some people out here that are struggling, they have dreams, too. They just need the resources, the training, even the moral support,” Fuller said. “I had one person in our health coaching class tell me they just really needed someone to believe in them, that they could do it.”

    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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  • Practical Optimism – by Dr. Sue Varma

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    We’ve written before about how to get your brain onto a more positive track (without toxic positivity), but there’s a lot more to be said than we can fit into an article, so here’s a whole book packed full with usable advice.

    The subtitle claims “the art, science, and practice of…”, but mostly it’s the science of. If there’s art to be found here, then this reviewer missed it, and as for the practice of, well, that’s down to the reader, of course.

    However, it is easy to use the contents of this book to translate science into practice without difficulty.

    If you’re a fan of acronyms, initialisms, and other mnemonics (such as the rhyming “Name, Claim, Tame, and Reframe”), then you’ll love this book as they come thick and fast throughout, and they contribute to the overall ease of application of the ideas within.

    The writing style is conversational but with enough clinical content that one never forgets who is speaking—not in the egotistical way that some authors do, but rather, just, she has a lot of professional experience to share and it shows.

    Bottom line: if you’d like to be more optimistic without delving into the delusional, this book can really help a lot with that (in measurable ways, no less!).

    Click here to check out Practical Optimism, and brighten up your life!

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