It’s A Wrap

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We hope all our readers have had a great and healthy week! Here are some selections from health news from around the world:

A lack of transparency

Thousands of chemicals blanket-approved for food contact in packaging, under the FDA’s “Generally Recognized As Safe” umbrella, have been found in humans.

This highlights a gap in the safeguarding system, because the GRAS classification is given when there’s no known significant association with disease—but in this case, a problem can occur when the build-up in the blood and brain cause problems much later.

Read in full: Thousands of toxins from food packaging found in humans – research

Learn more: We Are Such Stuff As Bottles Are Made Of (It’s Not Fantastic To Be Plastic)

Cafestol for weight loss?

Most coffee intervention studies use instant coffee. Which is understandable; they are scientists on a budget, not coffee shop baristas. But, instant coffee is low in some of coffee’s important compounds, such as cafestol—which as it turns out, can lower not only overall body fat, but also (importantly!) visceral fat.

Read in full: 12-week coffee compound study shows promising results for weight and fat reduction in at-risk individuals

Learn more: The Bitter Truth About Coffee (or is it?)

Doing something is better than doing nothing

While a lot of the bad news both locally and around the world can be infuriating and/or depressing, turning a blind eye may not be the best approach for dealing with it. This study was in teens, but it’s likely that the benefits are similar for other ages too:

Read in full: Racial justice activism, advocacy found to reduce depression, anxiety in some teens

Learn more: Make Social Media Work For Your Mental Health

A ray of hope!

Sometimes, the topic of sun and sunscreens can seem like “damned if you do; damned if you don’t”, with regard to the harmful effects of the sun, and in some cases, potentially harmful effects of some sunscreen chemicals. We’ve argued ultimately in favor of sunscreens in this tug-of-war, but it’s nice to see improvements being made, in this case, with lignin-based sunscreen (a plant-based by-product of the pulp industry).

Read in full: Researchers create high-performing, eco-friendly sunscreen

Learn more: Who Screens The Sunscreens?

All about the pores

Researchers have identified a protein, and from that, a stack of protein fragments, that are involved in the formation of large pores. This is important, as it’s pointing to a means of relief for a lot of inflammatory diseases.

Read in full: Scientists unravel the process of pore formation in cells

Learn more: Why Do We Have Pores, And Could We Not?

Getting to the bottom of Crohn’s

If you have Crohn’s, or perhaps someone close to you has it, then you’ll be familiar with the common medical refrain of “we don’t know”. While this honesty is laudable, it’s not reassuring. So, it’s good that researchers are making progress in understanding why many people with Crohn’s may respond differently not only to lifestyle interventions, but also to various relevant drugs—allowing doctors to prescribe the right treatment for the right person.

Read in full: Patient-derived gut organoids reveal new insights into Crohn’s disease subtypes

Learn more: Diet Tips for Crohn’s Disease

Another carotenoid that holds back Alzheimer’s

Phytoene is a carotenoid that is found in many red, orange, or yellow foods, including tomatoes, carrots, apricots, red peppers, oranges, mandarins and passion fruit, among others. Researchers have found that it slows the onset of symptoms associated with the formation of amyloid plaques, by 30–40%, and increases longevity by 10–19%:

Read in full: Carotenoid phytoene shows potential in slowing Alzheimer’s plaque formation and increasing lifespan

Learn more: Brain Food? The Eyes Have It! ← this is about a different carotenoid, lutein, found mostly in dark green leafy vegetables, but it’s best to enjoy both 😎

Take care!

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    “60 medical experts, 90% women, deliver essential lifestyle advice for female health in ‘Improving Women’s Health Across The Lifespan’—a must-read for any woman.”

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  • Why Lung Cancer Is On The Rise In Women Who’ve Never Smoked

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    It’s easy to assume that if you’ve never smoked, lung cancer is just not a risk for you, unless you got very unlucky with an asbestos-laden environment or such.

    And yes, smoking is indeed the most overwhelmingly strong risk factor:

    ❝It is estimated that cigarette smoking explains almost 90% of lung cancer risk in men and 70 to 80% in women

    Which is a lot (and we’ll address that discrepancy by sex shortly), but meanwhile first let’s mention:

    ❝Compared with non-smokers, smokers have as much as a 30-fold increased risk of developing cancer.

    31% and 26% of all cancer deaths in men and women, respectively, result from lung cancer in the United States.

    Overall 5-year survival is only 15%, and 1-year survival is approximately 42%.

    In total, lung cancer is responsible for more deaths than prostate, colon, pancreas, and breast cancers combined

    Source: Smoking and Lung Cancer

    Sobering statistics for any smoker, certainly.

    But, “smoking is bad for the health” is not the breaking news of the century, so we’ll look now at the other risk factors.

    Before we do though, let’s just drop this previous main feature of ours for anyone who does smoke or perhaps who has a loved one who smokes:

    Which Addiction-Quitting Methods Work Best? ← it’s not specific just to smoking, but it does cover such also

    So, Why the extra risk for women, even if we don’t smoke?

    Let’s reframe that first statistic we gave, now presenting the same information differently:

    Women who do not smoke are 2–3x more likely to get lung cancer than men who do not smoke.

    So… why?

    There are three main reasons:

    Genetic risks

    Cancer often arises from genetic mutations. In the case of lung cancer, genes such as ALK, ROS1, TP53, KRAS, and EGFR are implicated, and some of those are much more likely to mutate in women than in men.

    In some cases, it’s because if you have XX chromosomes (as most women do), there are genes you have redundant copies of that people with XY chromosomes don’t. Other less common karyotypes, such as XXY, probably carry higher risks, but that’s just a hypothesis we’re making based on “more copies of a gene = more chances for it to mutate”.

    See also: Frequency and Distinctive Spectrum of KRAS Mutations in Never Smokers with Lung Adenocarcinoma

    In other cases, it’s because estrogen interacts with the gene mutations, making lung cancer more likely to develop in women over time:

    See also: Lung cancer in never-smoker female Asians is driven by oncogenic mutations, most often involving EGFR

    Hormonal risks (but not what you might think)

    When something affects women more, it’s easy to blame hormones, but, as researchers have concluded…

    ❝A reduced lung cancer risk was found for OC and HRT ever users. Both oestrogen only and oestrogen+progestin HRT were associated with decreased risk. No dose-response relationship was observed with years of OC/HRT use. The greatest risk reduction was seen for squamous cell carcinoma in OC users and in both adenocarcinoma and small cell carcinoma in HRT users.❞

    OC = oral contraceptive
    HRT = hormone replacement therapy

    Note: we snipped out the statistical calculations for readability and brevity, so if you are interested in those, check out the paper below:

    Source: Hormone use and risk for lung cancer: a pooled analysis from the International Lung Cancer Consortium (ILCCO)

    Meanwhile, another research review of 22 studies with nearly a million participants found:

    ❝Current or ever HRT use is partly correlated with the decreased incidence of lung cancer in women.

    Concerns about the incidence of lung cancer can be reduced when perimenopausal and postmenopausal women use current HRT to reduce menopausal symptoms.❞

    Source: The association between different hormone replacement therapy use and the incidence of lung cancer: a systematic review and meta-analysis

    So, the problem seems to at least a lot of the time be not estrogen (notwithstanding what we mentioned previously about mutations—sometimes a thing can have both pros and cons), but rather, untreated menopause being the higher risk factor.

    This is very reminiscent of what we talked about in one of our main features about Alzheimer’s disease:

    Alzheimer’s Sex Differences May Not Be What They Appear ← Women get Alzheimer’s at nearly 2x the rate than men do, and deteriorate more rapidly after onset, too.

    Chronic inflammation

    For reasons that have not been tied to genetics or hormones*, women suffer from autoimmune diseases at much higher rates than men.

    *presumably it is at least one or the other, because there aren’t a lot of other options that seem plausible, but (as with many “this thing mainly affects women” maladies), science hasn’t yet determined the cause.

    Because cancer is in part a disease of immune dysfunction (cells fail to kill cells they should be killing), having an autoimmune disease, or indeed chronic inflammation in general, will result in a higher risk of cancer.

    For general theory, see: Cancer and Autoimmune Diseases: A Tale of Two Immunological Opposites?

    For specifics, see: Non–Small Cell Lung Cancer: Role of the Immune System and Potential for Immunotherapy

    And this one is the most likely explanation of why lung cancer in women who’ve never smoked is on the rise—it’s because chronic inflammation in women is on the rise. While people regardless of gender are getting chronic inflammation at increased rates nowadays (probably due in large part to the rise of ultra-processed food, as well as the higher stress of modern life, but again, we’re hypothesizing), if all other factors are equal, women will still get it more than men.

    However!

    Like the consideration of HRT’s protective effects (and unlike the genetic factors), this is one we can do something about.

    For how, check out: How to Prevent (or Reduce) Inflammation

    Want to know more?

    For lung health in general, see:

    Seven Things To Do For Good Lung Health!

    Take care!

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  • Huperzine A: A Natural Nootropic

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    Huperzine A: A Natural Nootropic

    Huperzine A is a compound, specifically a naturally occurring sesquiterpene alkaloid, that functions as an acetylcholinesterase inhibitor. If that seems like a bunch of big words, don’t worry, we’ll translate in a moment.

    First, a nod to its origins: it is found in certain kinds of firmoss, especially the “toothed clubmoss”, Huperzia serrata, which grows in many Asian countries.

    What’s an acetylcholinesterase inhibitor?

    Let’s do this step-by-step:

    • An acetylcholinesterase inhibitor is a compound that inhibits acetylcholinesterase.
    • Acetylcholinesterase is an enzyme that catalyzes (speeds up) the breakdown of acetylcholine.
    • Acetylcholine is a neurotransmitter; it’s an ester of acetic acid and choline.
      • This is the main neurotransmitter of the parasympathetic nervous system, and is also heavily involved in cognitive functions including memory and creative thinking.

    What this means: if you take an acetylcholinesterase inhibitor like huperzine A, it will inhibit acetylcholinesterase, meaning you will have more acetylcholine to work with. That’s good.

    What can I expect from it?

    Huperzine A has been well-studied for a while, mostly for the prevention and treatment of Alzheimer’s disease:

    However, research has suggested that huperzine A is much better as a prevention than a treatment:

    ❝A central event in the pathogenesis of Alzheimer’s disease (AD) is the accumulation of senile plaques composed of aggregated amyloid-β (Aβ) peptides.

    Ex vivo electrophysiological experiments showed that 10 μM of Aβ1-40 significantly decreased the effect of the AChE inhibitor huperzine A on the synaptic potential parameters. ❞

    ~ Dr. Irina Zueva

    Source: Can Activation of Acetylcholinesterase by β-Amyloid Peptide Decrease the Effectiveness of Cholinesterase Inhibitors?

    In other words: the answer to the titular question is “Yes, yes it can”

    And, to translate Dr. Zueva’s words into simple English:

    • People with Alzheimer’s have amyloid-β plaque in their brains
    • That plaque reduces the effectiveness of huperzine A

    So, what if we take it in advance? That works much better:

    ❝Pre-treatment with [huperzine A] at concentrations of 50, 100, and 150 µg/mL completely inhibited the secretion of PGE2, TNF-α, IL-6, and IL-1β compared to post-treatment with [huperzine A].

    This suggests that prophylactic treatment is better than post-inflammation treatment. ❞

    ~ Dr. Thu Kim Dang

    Source: Anti-neuroinflammatory effects of alkaloid-enriched extract from Huperzia serrata

    As you may know, neuroinflammation is a big part of Alzheimer’s pathology, so we want to keep that down. The above research suggests we should do that sooner rather than later.

    Aside from holding off dementia, can it improve memory now, too?

    There’s been a lot less research done into this (medicine is generally more concerned with preventing/treating disease, than improving the health of healthy people), but there is some:

    Huperzine-A capsules enhance memory and learning performance in 34 pairs of matched adolescent students

    ^This is a small (n=68) old (1999) study for which the full paper has mysteriously disappeared and we only get to see the abstract. It gave favorable results, though.

    The effects of huperzine A and IDRA 21 on visual recognition memory in young macaques

    ^This, like most non-dementia research into HupA, is an animal study. But we chose to spotlight this one because, unlike most of the studies, it did not chemically lobotomize the animals first; they were and remained healthy. That said, huperzine A improved the memory scores most for the monkeys that performed worst without it initially.

    Where can I get it?

    As ever, we don’t sell it, but here’s an example product on Amazon for your convenience

    Enjoy!

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  • How to Think More Effectively – by Alain de Botton

    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 brain is our most powerful organ, and our mind is an astonishing thing. So why do we sometimes go off-piste?

    The School of Life‘s Alain de Botton lays out for us a framework of cumulative thinking, directions for effort, and unlikely tools for cognitive improvement.

    The book especially highlights the importance of such things as…

    • making time for cumulative thinking
    • not, however, trying to force it
    • working with, rather than in spite of, distractions
    • noting and making use of our irrationalities
    • taking what we think/do both seriously and lightly, at once
    • practising constructive self-doubt

    The style is as clear and easy as you may have come to expect from Alain de Botton / The School of Life, and yet, its ideas are still likely to challenge every reader in some (good!) way.

    Bottom line: if you would like what you think, say, do to be more meaningful, this book will help you to make the most of your abilities!

    Click here to check out How To Think More Effectively, and upgrade your thought processes!

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Related Posts

  • From Lupus To Arthritis: New Developments
  • Blood-Sugar-Friendly Ice Pops

    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.

    This generic food product has so many regional variant names that it’s difficult to get a universal name, but in N. America they’re also known by the genericized brand name of popsicles. Anyway, they’re usually very bad news for blood sugars, being merely frozen juice even if extra sugar wasn’t added. Today’s recipe, on the other hand, makes for a refreshing and nutrient-dense treat that won’t spike your blood glucose!

    You will need

    • 1 cup fresh blueberries
    • 1 can (12oz/400g) coconut milk
    • ½ cup yogurt with minimal additives
    • 1 tbsp honey (omit if you prefer less sweetness)
    • Juice of ¼ lime (increase if you prefer more sourness)

    Method

    (we suggest you read everything at least once before doing anything)

    1) Blend everything

    2) Pour into ice pop molds and freeze overnight

    3) Serve at your leisure:

    Enjoy!

    Want to learn more?

    For those interested in some of the science of what we have going on today:

    Take care!

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  • The Power of Hormones – by Dr. Max Nieuwdorp

    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.

    First a quick note on the author: he’s an MD & PhD, internist, endocrinologist, and professor. He knows his stuff.

    There are a lot of books with “the new science of” in the title, and they don’t often pertain to science that is actually new, and in this case, for the most part the science contained within this book is quite well-established.

    A strength of this book is that it’s not talking about hormones in just one specific aspect (e.g. menopause, pregnancy, etc) but rather, in the full span of human health, across the spectra of ages and sexes—and yes, also covering hormones that are not sex hormones, so for example also demystifying the different happiness-related neurotransmitters, as well as the hormones responsible for hunger and satiety, weight loss and gain, sleep and wakefulness, etc.

    Which is all very good, because there’s a lot of overlap and several hormones fall into several categories there.

    Moreover, the book covers how your personal cocktail of hormones impacts how you look, feel, behave, and more—there’s a lot about chronic health issues here too, and how to use the information in this book to if not outright cure, then at least ameliorate, many conditions.

    Bottom line: this is an information-dense book with a lot of details great and small; if you read this, you’ll come away with a much better understanding of hormones than you had previously!

    Click here to check out The Power of Hormones, and harness that power for yourself!

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  • Zuranolone: What to know about the pill for postpartum depression

    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.

    In the year after giving birth, about one in eight people who give birth in the U.S. experience the debilitating symptoms of postpartum depression (PPD), including lack of energy and feeling sad, anxious, hopeless, and overwhelmed. 

    Postpartum depression is a serious, potentially life-threatening condition that can affect a person’s bond with their baby. Although it’s frequently confused with the so-called “baby blues,” it’s not the same. 

    The baby blues include similar, temporary symptoms that affect up to 80 percent of people who have recently given birth and usually go away within the first few weeks. PPD usually begins within the first month after giving birth and can last for months and interfere with a person’s daily life if left untreated. Thankfully, PPD is treatable and there is help available

    On August 4, the FDA approved zuranolone, branded as Zurzuvae, the first-ever oral medication to treat PPD. Until now, besides other common antidepressants, the only medication available to treat PPD specifically was the IV injection brexanolone, which is difficult to access and expensive and can only be administered in a hospital or health care setting. 

    Read on to find out more about zuranolone: what it is, how it works, how much it costs, and more. 

    What is zuranolone?

    Zurzuvae is the brand name for zuranolone, an oral medication to treat postpartum depression. Developed by Sage Therapeutics in partnership with Biogen, it’s now available in the U.S. Zurzuvae is typically prescribed as two 25 mg capsules a day for 14 days. In clinical trials, the medication showed to be fast-acting, improving PPD symptoms in just three days

    How does zuranolone work? 

    Zuranolone is a neuroactive steroid, a type of medication that helps the neurotransmitter GABA’s receptors, which affect how the body reacts to anxiety, stress, and fear, function better.

    “Zuranolone can be thought of as a synthetic version of [the neuroactive steroid] allopregnanolone,” says Dr. Katrina Furey, a reproductive psychiatrist, clinical instructor at Yale University, and co-host of the Analyze Scripts podcast. “Women with PPD have lower levels of allopregnenolone compared to women without PPD.”

    How is it different from other antidepressants?

    “What differentiates zuranolone from other previously available oral antidepressants is that it has a much more rapid response and a shorter course of treatment,” says Dr. Asima Ahmad, an OB-GYN, reproductive endocrinologist, and founder of Carrot Fertility

    “It can take effect as early as on day three of treatment, versus other oral antidepressants that can take up to six to 12 weeks to take full effect.” 

    What are Zurzuvae’s side effects? 

    According to the FDA, the most common side effects of Zurzuvae include dizziness, drowsiness, diarrhea, fatigue, the common cold, and urinary tract infection. Similar to other antidepressants, the medication may increase the risk of suicidal thoughts and actions in people 24 and younger. However, NPR noted that this type of labeling is required for all antidepressants, and researchers didn’t see any reports of suicidal thoughts in their trials.

    “Drug trials also noted that the side effects for zuranolone were not as severe,” says Ahmad. “[There was] no sudden loss of consciousness as seen with brexanolone or weight gain and sexual dysfunction, which can be seen with other oral antidepressants.”

    She adds: “Given the lower incidence of side effects and more rapid-acting onset, zuranolone could be a viable option for many,” including those looking for a treatment that offers faster symptom relief. 

    Can someone breastfeed while taking zuranolone?

    It’s complicated. In clinical trials, participants were asked to stop breastfeeding (which, according to Furey, is common in early clinical trials). 

    A small study of people who were nursing while taking zuranolone found that 0.3 percent of the medication dose was passed on to breast milk, which, Furey says, is a pretty low amount of exposure for the baby. Ahmad says that “though some data suggests that the risk of harm to the baby may be low, there is still overall limited data.”

    Overall, people should talk to their health care provider about the risks and benefits of breastfeeding while on the medication. 

    “A lot of factors will need to be weighed, such as overall health of the infant, age of the infant, etc., when making this decision,” Furey says. 

    How much does Zurzuvae cost? 

    Zurzuvae’s price before insurance coverage is $15,900 for the 14-day treatment. However, the Policy Center for Maternal Mental Health says insurance companies and Medicaid are expected to cover it because it’s the only drug of its kind. 

    Less than 1 percent of U.S. insurers have issued coverage guidelines so far, so it’s still unknown how much it will cost patients after insurance. Some insurers require patients to try another antidepressant first (like the more common SSRIs) before covering Zurzuvae. For uninsured and underinsured people, Sage Therapeutics said it will offer copay assistance

    The hefty price tag and potential issues with coverage may widen existing health disparities, says Ahmad. “We need to ensure that we are seeking out solutions to enable wide-scale access to all PPD treatments so that people have access to whatever treatment may work best for them.”

    If you or anyone you know is considering suicide or self-harm or is anxious, depressed, upset, or needs to talk, call the Suicide & Crisis Lifeline at 988 or text the Crisis Text Line at 741-741. For international resources, here is a good place to begin.

    For more information, talk to your health care provider.

    This article first appeared on Public Good News and is republished here under a Creative Commons license.

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