Is Dairy Scary?

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Is Dairy Scary?

Milk and milk products are popularly enjoyed as a good source of calcium and vitamin D.

In contrast, critics of dairy products (for medical reasons, rather than ethical, which is another matter entirely and beyond the scope of this article) point to risks of cancer, heart disease, and—counterintuitively—osteoporosis. We’ll focus more on the former, but touch on the latter two before closing.

Dairy & Cancer

Evidence is highly conflicting. There are so many studies with so many different results. This is partially explicable by noting that not only is cancer a many-headed beast that comes in more than a hundred different forms and all or any of them may be affected one way or another by a given dietary element, but also… Not all milk is created equal, either!

Joanna Lampe, of the Public Health Sciences division, Fred Hutchinson Cancer Research Center in Seattle, writes:

❝Dairy products are a complex group of foods and composition varies by region, which makes evaluation of their association with disease risk difficult. For most cancers, associations between cancer risk and intake of milk and dairy products have been examined only in a small number of cohort studies, and data are inconsistent or lacking❞

In her systematic review of studies, she noted, for example, that:

  • Milk and dairy products contain micronutrients and several bioactive constituents that may influence cancer risk and progression
  • There’s probable association between milk intake and lower risk of colorectal cancer
  • There’s a probable association between diets high in calcium and increased risk of prostate cancer
  • Some studies show an inverse association between intake of cultured dairy products and bladder cancer (i.e., if you eat yogurt you’re less likely to get bladder cancer)

Since that systemic review was undertaken, more research has been conducted, and the results are… Not conclusive, but converging towards a conclusion:

  • Dairy products can increase or decrease cancer risk
  • The increase in cancer risk seems strongest when milk is consumed in quantities that result in too much calcium. When it comes to calcium, you can absolutely have too much of a good thing—just ask your arteries!
  • The decrease in cancer seems to be mostly, if not exclusively, from fermented dairy products. This usually means yogurts. The benefit here is not from the milk itself, but rather from the gut-friendly bacteria.

You may be wondering: “Hardened arteries, gut microbiome health? I thought we were talking about cancer?” and yes we are. No part of your health is an island unrelated to other parts of your health. One thing can lead to another. Sometimes we know how and why, sometimes we don’t, but it’s best to not ignore the data.

The bottom line on dairy products and cancer is:

  • Consuming dairy products in general is probably fine
  • Yogurt, specifically, is probably beneficial

Dairy and Heart Disease

The reason for the concern is clear enough: it’s largely assumed to be a matter of saturated fat intake.

The best combination of “large” and “recent” that we found was a three-cohort longitudinal study in 2019, which pretty much confirms what was found in smaller or less recent studies:

  • There is some evidence to suggest that consumption of dairy can increase all-cause mortality in general, and death from (cancer and) cardiovascular disease in particular
  • The evidence is not, however, overwhelming. It is marginal.

Dairy and Osteoporosis

Does dairy cause osteoporosis? Research here tends to fall into one of two categories when it comes to conclusions, so we’ll give an example of each:

  1. “Results are conflicting, saying yes/no/maybe, and basically we just don’t know”
  2. “Results are conflicting, but look: cross-sectional and case-control studies say yes; cohort studies say maybe or no; we prefer the cohort studies”

See them for yourself:

  1. Osteoporosis: Is milk a kindness or a curse?
  2. Consumption of milk and dairy products and risk of osteoporosis and hip fracture

Conclusion: really, the jury is very much still out on this one

Summary:

  • Moderate consumption of dairy products is almost certainly fine
  • More specifically: it probably has some (small) pros and some (small) cons
  • Yogurt is almost certainly healthier than other dairy products, and is almost universally considered a healthy food (assuming not being full of added sugar etc, of course)
  • If you’re going to have non-dairy alternatives to milk, choose wisely!

That’s all we have time for today, but perhaps in a future edition we’ll do a run-down of the pros and cons of various dairy alternatives!

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  • Built to Move – by Kelly starrett & Juliet Starrett

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    In our everyday lives, for most of us anyway, it’s not too important to be able to run a marathon or leg-press a car. Rather more important, however, are such things as:

    • being able to get up from the floor comfortably
    • reach something on a high shelf without twinging a shoulder
    • being able to put our socks on without making a whole plan around this task
    • get accidentally knocked by an energetic dog or child and not put our back out
    • etc

    Starrett and Starrett, of “becoming a supple leopard” fame, lay out for us how to make sure our mobility stays great. And, if it’s not already where it needs to be, how to get there.

    The “ten essential habits” mentioned in the subtitle “ten essential habits to help you move freely and live fully”, in fact also come with ten tests. No, not in the sense of arduous trials, but rather, mobility tests.

    For each test, it’s explained to us how to score it out of ten (this is an objective assessment, not subjective). It’s then explained how to “level up” whatever score we got, with different advices for different levels of mobility or immobility. And if we got a ten, then of course, we just build the appropriate recommended habit into our daily life, to keep it that way.

    The writing style is casual throughout, and a strong point of the book is its very clear illustrations, too.

    Bottom line: if you’d like to gain/maintain good mobility (at any age), this book gives a very reliable outline for doing so.

    Click here to check out Built to Move, and take care of your body!

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  • Lies I Taught in Medical School – by Dr. Robert Lufkin

    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.

    There seems to be a pattern of doctors who practice medicine one way, get a serious disease personally, and then completely change their practice of medicine afterwards. This is one of those cases.

    Dr. Lufkin here presents, on a chapter-by-chapter basis, the titularly promised “lies” or, in more legally compliant speak (as he acknowledges in his preface), flawed hypotheses that are generally taught as truths. In many cases, the “lie” is some manner of “xyz is normal and nothing to worry about”, and/or “there is nothing to be done about xyz; suck it up”.

    The end result of the information is not complicated—enjoy a plants-forward whole foods low-carb diet to avoid metabolic diseases and all the other things to branch off from same (Dr. Lufkin makes a fair case for metabolic disease leading to a lot of secondary diseases that aren’t considered metabolic diseases per se). But, the journey there is actually important, as it answers a lot of questions that are much less commonly understood, and often not even especially talked-about, despite their great import and how they may affect health decisions beyond the dietary. Things like understanding the downsides of statins, or the statistical models that can be used to skew studies, per relative risk reduction and so forth.

    Bottom line: this book gives the ins and outs of what can go right or wrong with metabolic health and why, and how to make sure you don’t sabotage your health through missing information.

    Click here to check out Lies I Taught In Medical School, and arm yourself with knowledge!

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  • What to Know About Stillbirths

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    Series: Stillbirths:When Babies Die Before Taking Their First Breath

    The U.S. has not prioritized stillbirth prevention, and American parents are losing babies even as other countries make larger strides to reduce deaths late in pregnancy.

    Every year, more than 20,000 pregnancies in the U.S. end in a stillbirth, the death of an expected child at 20 weeks or more of pregnancy. Research shows as many as 1 in 4 stillbirths may be preventable. We interviewed dozens of parents of stillborn children who said their health care providers did not tell them about risk factors or explain what to watch for while pregnant. They said they felt blindsided by what followed. They did not have the information needed to make critical decisions about what happened with their baby’s body, about what additional testing could have been done to help determine what caused the stillbirth, or about how to navigate the process of requesting important stillbirth documents.

    This guide is meant to help fill the void of information on stillbirths. It’s based on more than 150 conversations with parents, health care providers, researchers and other medical experts.

    Whether you’re trying to better prepare for a pregnancy or grieving a loss, we hope this will help you and your family. This guide does not provide medical advice. We encourage you to seek out other reliable resources and consult with providers you trust.

    We welcome your thoughts and questions at mailto:stillbirth@propublica.org. You can share your experience with stillbirth with us. If you are a health care provider interested in distributing this guide, let us know if we can help.

    Table of contents:

    What Is Stillbirth?

    Many people told us that the first time they heard the term stillbirth was after they delivered their stillborn baby. In many cases, the lack of information and awareness beforehand contributed to their heartache and guilt afterward.

    Stillbirth is defined in the U.S. as the death of a baby in the womb at 20 weeks or more of pregnancy. Depending on when it happens, stillbirth is considered:

    • Early: 20-27 weeks of pregnancy.
    • Late: 28-36 weeks of pregnancy.
    • Term: 37 or more weeks of pregnancy.

    About half of all stillbirths in the U.S. occur at 28 weeks or later.

    What is the difference between a stillbirth and a miscarriage?

    Both terms describe pregnancy loss. The distinction is when the loss occurs. A miscarriage is typically defined as a loss before the 20th week of pregnancy, while stillbirth is after that point.

    How common is stillbirth?

    Each year, about 1 in 175 deliveries in the U.S. are stillbirths — that’s about 60 stillborn babies every day — making it one of the most common adverse pregnancy outcomes, but it is rarely discussed.

    If you are surprised by that fact, you are not alone. Many people we spoke to did not know how common stillbirths are. Leandria Lee of Texas said she spent her 2021 pregnancy unaware that her daughter, Zuri Armoni, could die in the last phase of her pregnancy.

    “If I was prepared to know that something could happen, I don’t think it would have been as bad. But to not know and then it happens, it affects you,” she said of her stillbirth at 35 weeks.

    Some doctors have told us they don’t introduce the possibility of a stillbirth because they don’t want to create additional anxiety for patients.

    Other doctors say withholding information leaves patients unprepared.

    “We have this idea that we can’t scare the patient, which to me is very paternalistic,” said Dr. Heather Florescue, an OB-GYN near Rochester, New York, who works to inform doctors and patients about stillbirth prevention.

    What causes stillbirths?

    There is a lot we don’t know about stillbirths because there hasn’t been enough research. The cause of the stillbirth is unknown in about 1 in 3 cases.

    What we do know is that a number of factors may cause or increase the risk of a stillbirth, including:

    • The baby not growing as expected.
    • Placental abnormalities or problems with the umbilical cord.
    • Genetic or structural disorders that cause developmental issues.
    • High blood pressure before pregnancy or preeclampsia, a potentially fatal complication that usually appears late in pregnancy and causes high blood pressure.
    • Diabetes before or during pregnancy.
    • An infection in the fetus, the placenta or the pregnant person.
    • Smoking.
    • Being 35 or older.
    • Obesity.
    • Being pregnant with more than one baby.

    But not all doctors, hospitals or health departments perform tests to identify the potential cause of a stillbirth or determine if it could have been prevented. Even when a cause is identified, fetal death records are rarely updated. This means data is sometimes inaccurate. Researchers strongly encourage doctors to perform a stillbirth evaluation, which includes an examination of the placenta and umbilical cord, a fetal autopsy and genetic testing.

    If your hospital or doctor does not proactively offer one or more of these exams, you can ask them to conduct the tests. Research shows that placental exams may help establish a cause of death or exclude a suspected one in about 65% of stillbirths, while autopsies were similarly useful in more than 40% of cases.

    Are Stillbirths Preventable?

    Not all stillbirths are preventable, but some are. For pregnancies that last 37 weeks or more, one study found that nearly half of stillbirths are potentially preventable.

    Dr. Joanne Stone, who last year was president of the Society of Maternal-Fetal Medicine, leads the country’s first Rainbow Clinic at Mount Sinai Hospital in New York. The clinic is modeled on similar facilities in the United Kingdom that care for people who want to conceive again after a stillbirth. She said many doctors used to think there was nothing they could do to prevent stillbirth.

    “People just looked at it like, ‘Oh, it was an accident, couldn’t have been prevented,’” said Stone, who also is the system chair of the obstetrics, gynecology and reproductive science department at the Icahn School of Medicine. “But we know now there are things that we can do to try to prevent that from happening.”

    She said doctors can:

    • More closely monitor patients with certain risk factors, like high blood pressure, diabetes or obesity.
    • Ask about prior infant loss or other obstetrical trauma.
    • Carefully assess whether a baby’s growth is normal.
    • Work to diagnose genetic anomalies.
    • Teach patients how to track their baby’s movements and encourage them to speak up if they notice activity has slowed or stopped.
    • Deliver at or before 39 weeks if there are concerns.

    What are the risks of stillbirth over the course of a pregnancy?

    The risk of a stillbirth increases significantly toward the end of pregnancy, especially after 39 weeks. The risk is higher for people who get pregnant at 35 or older. The risk begins to climb even earlier, around 36 weeks, for people pregnant with twins.

    What you and your doctor can do to reduce the risk of stillbirth.

    While federal agencies in the U.S. have yet to come up with a checklist that may help reduce the risk of stillbirth, the Stillbirth Centre of Research Excellence in Australia has adopted a Safer Baby Bundle that lists five recommendations:

    1. Stop smoking.
    2. Regularly monitor growth to reduce the risk of fetal growth restriction, when the fetus is not growing as expected.
    3. Understand the importance of acting quickly if fetal movement decreases.
    4. Sleep on your side after 28 weeks.
    5. Talk to your doctor about when to deliver. Depending on your situation, it may be before your due date.

    The American College of Obstetricians and Gynecologists has compiled a list of tests and techniques doctors can use to try to reduce the risk of a stillbirth. They include:

    • A risk assessment to identify prenatal needs.
    • A nonstresstest, which checks the fetus’s heart rate and how it changes as the fetus moves.
    • A biophysical profile, which is done with an ultrasound to measure body movement, muscle tone and breathing, along with amniotic fluid volume.

    The group stressed that there is no test that can guarantee a stillbirth won’t happen and that individual circumstances should determine what tests are run.

    Are some people at higher risk for stillbirth?

    Black women are more than twice as likely to have a stillbirth as white women. There are a number of possible explanations for that disparity, including institutional bias and structural racism, and a patient’s pre-pregnancy health, socioeconomic status and access to health care. In addition, research shows that Black women are more likely than white women to experience multiple stressful life events while pregnant and have their concerns ignored by their health care provider. Similar racial disparities drive the country’s high rate of maternal mortality.

    How to find a provider you trust.

    Finding a doctor to care for you during your pregnancy can be a daunting process. Medical experts and parents suggest interviewing prospective providers before you decide on the right one.

    Here is a short list of questions you might want to ask a potential OB-GYN:

    • What is the best way to contact you if I have questions or concerns?
    • How do you manage inquiries after hours and on weekends? Do you see walk-ins?
    • How do you manage prenatal risk assessments?
    • What should I know about the risks of a miscarriage or stillbirth?
    • How do you decide when a patient should be induced?

    If a provider doesn’t answer your questions to your satisfaction, don’t be reluctant to move on. Dr. Ashanda Saint Jean, chair of the obstetrics and gynecology department at HealthAlliance Hospitals of the Hudson Valley in New York, said she encourages her patients to find the provider that meets their needs.

    “Seek out someone that is like-minded,” said Saint Jean “It doesn’t have to be that they’re the same ethnicity or the same race, but like-minded in terms of the goals of what that patient desires for their own health and prosperity.”

    What to know in the last trimester.

    The last trimester can be an uncomfortable and challenging time as the fetus grows and you get increasingly tired. During this critical time, your provider should talk to you about the following topics:

    • Whether you need a nonstress test to determine if the fetus is getting enough oxygen.
    • The best way to track fetal movements.
    • What to do if your baby stops moving.
    • Whether you are at risk for preeclampsia or gestational diabetes.

    Rachel Foran’s child, Eoin Francis, was stillborn at 41 weeks and two days. Foran, who lives in New York, said she believes that if her doctor had tracked her placenta, and if she had understood the importance of fetal movement, she and her husband might have decided to deliver sooner.

    She remembers that her son was “very active” until the day before he was stillborn.

    “I would have gone in earlier if someone had told me, ‘You’re doing this because the baby could die,’” she said of tracking fetal movement. “That would have been really helpful to know.”

    Researchers are looking at the best way to measure the health, blood flow and size of the placenta, but studies are still in their early stages.

    “If someone had been doing that with my son’s,” Foran said, “my son would be alive.”

    A placental exam and an autopsy showed that a small placenta contributed to Foran’s stillbirth.

    How often should you feel movement?

    Every baby and each pregnancy are different, so it is important to get to know what levels of activity are normal for you. You might feel movement around 20 weeks. You’re more likely to feel movement when you’re sitting or lying down. Paying attention to movement during the third trimester is particularly important because research shows that changes, including decreased movement or bursts of excessive activity, are associated with an increased risk of stillbirth. Most of the time, it’s nothing. But sometimes it can be a sign that your baby is in distress. If you’re worried, don’t rely on a home fetal doppler to reassure you. Reach out to your doctor.

    Saint Jean offers a tip to track movement: “I still tell patients each day to lay on their left side after dinner and record how many times their baby moves, because then that will give you an idea of what’s normal for your baby,” she said.

    Other groups recommend using the Count the Kicks app as a way of tracking fetal movements and establishing what is normal for that pregnancy. Although there is no scientific consensus that counting kicks can prevent stillbirths, the American College of Obstetricians and Gynecologists and other groups recommend that patients be aware of fetal movement patterns.

    Dr. Karen Gibbins is a maternal-fetal medicine specialist at Oregon Health & Science University who in 2018 had stillborn son named Sebastian. She said the idea that babies don’t move as much at the end of pregnancy is a dangerous myth.

    “You might hear that babies slow down at the end,” she said. “They don’t slow down. They just have a little less space. So their movements are a little different, but they should be as strong and as frequent.”

    What to Expect After a Stillbirth

    What might happen at the hospital?

    Parents are often asked to make several important decisions while they are still reeling from the shock and devastation of their loss. It’s completely understandable if you need to take some time to consider them.

    Some other things you can ask for (if medical personnel don’t offer them) are:

    • Blood work, a placental exam, an autopsy and genetic testing.
    • A social worker or counselor, bereavement resources and religious or chaplain support.
    • The option to be isolated from the labor rooms.
    • Someone to take photos of you and your baby, typically either a nurse or an outside group.
    • A small cooling cot that allows parents to spend more time with their babies after a stillbirth. If one is not available, you can ask for ice packs to put in the swaddle or the bassinet.
    • A mold of your baby’s hands and feet.
    • Information about burial or cremation services.
    • Guidance on what to do if your milk comes in.

    Getting an autopsy after a stillbirth.

    Whether to have an autopsy is a personal decision. It may not reveal a cause of death, but it might provide important information about your stillbirth and contribute to broader stillbirth research. Autopsies can be useful if you are considering another pregnancy in the future. Families also told us that an autopsy can help parents feel they did everything they could to try to understand why their baby died.

    But several families told us their health care providers didn’t provide them with the right information to help with that decision. Some aren’t trained in the advantages of conducting an autopsy after a stillbirth, or in when and how to sensitively communicate with parents about it. Some, for example, don’t explain that patients can still have an open-casket funeral or other service after an autopsy because the incisions can easily be covered by clothing. Others may not encourage an autopsy because they think they already know what caused the stillbirth or don’t believe anything could have been done to prevent it. In addition, not all hospitals have the capacity to do an autopsy, but there may be private autopsy providers that can perform one at an additional cost.

    You can read more about autopsies in our reporting.

    Paying for an autopsy after a stillbirth.

    If you decide you want an autopsy, you may wonder whether you need to pay out-of-pocket for it. Several families told us their providers gave them incomplete or incorrect information. Many larger or academic hospitals offer autopsies at no cost to patients. Some insurance companies also cover the cost of an autopsy after a stillbirth.

    When hospitals don’t provide an autopsy, they may give you names of private providers. That was the case for Rachel Foran. The hospital gave her and her husband a list of numbers to call if they wanted to pay for an autopsy themselves. The process, she said, shocked her.

    “I had just delivered and we had to figure out what to do with his body,” Foran said. “It felt totally insane that that was what we had to do and that we had to figure it out on our own.”

    An independent autopsy, records show, cost them $5,000.

    What is a certificate of stillbirth and how do I get one?

    A fetal death certificate is the official legal document that records the death. This is the document used to gather data on and track the number of stillbirths in the country. Many states also issue a certificate of stillbirth or a certificate of birth resulting in stillbirth, which acknowledge the baby’s birth. Families told us they appreciated having that document, since typical birth certificates are not issued for stillbirths. You can usually request a certificate from the vital records office.

    Grieving After a Stillbirth

    What are the effects of stillbirths on parents and families?

    Over and over, families told us the effects of losing a baby can reverberate for a lifetime.

    Bereavement support groups may help provide a space to share experiences and resources. Hospitals and birth centers may suggest a local grief group.

    We talked with Anna Calix, a maternal health expert who became active in perinatal loss prevention after her son Liam was stillborn on his due date in 2016. Calix leads grief support groups for people of color in English and Spanish.

    She suggested rededicating the time you would have spent taking care of a new baby to the grief process.

    “You can do that by addressing your own thoughts and feelings and really experiencing those feelings,” Calix said. “We like to push those feelings away or try to do something to distract and avoid, but no matter what we do, the feelings are there.”

    It’s important, she said, to give yourself permission to grow your connection with your child and work through thoughts of guilt or blame.

    What You Might Say and Do After a Loved One Experiences a Stillbirth

    Finding the right words can be difficult. The following are a few suggestions from parents who went through a stillbirth.

    Helpful:

    • Acknowledge the loss and offer condolences.
    • Ask if the baby was named and use the name.
    • Allow space for the family to talk about their baby.

    Unhelpful:

    • Avoid talking about the baby.
    • Minimize the loss or compare experiences.
    • Start statements with “at least.”

    Suggested phrases to avoid:

    • “You’re young. You can have more kids.”
    • “At least you have other children.”
    • “These things just happen.”
    • “Your baby is in a better place now.”

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  • Nutritional Profiles to Recipes

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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

    ❝I like the recipes. Most don’t seem to include nutritional profile. would lilke to see that. Macro/micro world…. Thank you❞

    We’re glad you’re enjoying them! There are a couple of reasons why we don’t, but the reasons can be aggregated into one (admittedly rare) concept: honesty

    To even try to give you these figures, we’d first need to use the metric system (or at least, a strictly mass-based system) which would likely not go well with our largely American readership, because “half a bulb of garlic, or more if you like”, and “1 cucumber” or “1 cup chopped carrot” could easily way half or twice as much, depending on the sizes of the vegetables or the chopping involved, and in the case of chopped vegetables measured by the cup, even the shape of the cup (because of geometry and the spaces left; it’s like Tetris in there). We can say “4 cups low-sodium broth” but we can’t say how much sodium is in your broth. And so on.

    And that’s without getting into the flexibility we offer with substitutions, often at a rate of several per recipe.

    We’d also need to strictly regulate your portion sizes for you, because we (with few exceptions, such as when they are a given number of burger patties, or a dessert-in-a-glass, etc) give you a recipe for a meal and leave it to you how you divide it and whether there’s leftovers.

    Same goes for things like “Extra virgin olive oil for frying”; a recipe could say to use “2 tbsp” but let’s face it, you’re going to use what you need to use, and that’s going to change based on the size of your pan, how quickly it’s absorbed into the specific ingredients that you got, which will change depending on how fresh they are, and things like that.

    By the time we’ve factored in your different kitchen equipment, how big your vegetables are, the many factors effecting how much oil you need, substitutions per recipe per making something dairy-free, or gluten-free, or nut-free, etc, how big your portion size is (we all know that “serves 4” is meaningless in reality)… Even an estimated average would be wildly misleading.

    So, in a sea of recipes saying “500 kcal per serving” from the same authors who say you can caramelize onions in 4–5 minutes “or until caramelized” and then use the 4–5 minutes figure for calculating the overall recipe time… We prefer to stay honest.

    PS: for any wondering, caramelizing onions takes closer to 45 minutes than 4–5 minutes, and again will depend on many factors, including the onions, how finely you chopped them, the size and surface of your pan, the fat you’re using, whether you add sugar, what kind, how much you stir them, the mood of your hob, and the phase of the moon. Under very favorable circumstances, it could conceivably be rushed in 20 minutes or so, but it could also take 60. Slow-cooking them (i.e. in a crock pot) over 3–4 hours is a surprisingly viable “cheat” option, by the way. It’ll take longer, obviously, but provided you plan in advance, they’ll be ready when you need them, and perfectly done (the same claim cannot be made if you budgeted 4–5 minutes because you trusted a wicked and deceitful author who wants to poop your party).

    Take care!

    Don’t Forget…

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  • How To Rebuild Your Neurons’ Myelin Sheaths

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    PS: We Love You

    Phosphatidylserine, or “PS” for short, is a phospholipid found in the brain. In other words, a kind of fatty compound that is such stuff as our brains are made of.

    In particular, it’s required for healthy nerve cell membranes and myelin (the protective sheath that neurons live in—basically, myelin sheaths do for neurons what telomere caps do for DNA).

    For an overview that’s more comprehensive than we have room for here, check out:

    Phosphatidylserine and the human brain

    Many people take it as a supplement.

    Does taking it as a supplement work?

    This is a valid question, as a lot of supplements can’t be absorbed well, and/or can’t pass the blood-brain barrier. But, as the above-linked study notes:

    ❝Exogenous PS (300-800 mg/d) is absorbed efficiently in humans, crosses the blood-brain barrier, and safely slows, halts, or reverses biochemical alterations and structural deterioration in nerve cells. It supports human cognitive functions, including the formation of short-term memory, the consolidation of long-term memory, the ability to create new memories, the ability to retrieve memories, the ability to learn and recall information, the ability to focus attention and concentrate, the ability to reason and solve problems, language skills, and the ability to communicate. It also supports locomotor functions, especially rapid reactions and reflexes.❞

    ~ Glade & Smith.

    (“Exogenous” means “coming from outside of the body”, as opposed to “endogenous”, meaning “made inside the body”. Effectively, in this context “exogenous” means “taken as a supplement”.)

    Why do people take it?

    The health claims for phosphatidylserine fall into two main categories:

    1. Neuroprotection (helping your brain to avoid age-related decline in the long term)
    2. Cognitive enhancement (helping your brain work better in the short term)

    What does the science say?

    There’s a lot of science that’s been done on the neuroprotective properties of PS, and there are thousands of studies we could draw from here. The upshot is that regular phosphatidylserine supplementation (most often 300mg/day, but studies are also found for 100–500mg/day) is strongly associated with a reduction in cognitive decline over the course of 12 weeks (a common study duration). Here are a some spotlight studies showing this:

    Note: PS can be derived from various sources, with the two most common forms being bovine (i.e., from cow brains) or soy-derived.

    There is no established difference in the efficacy of these.

    There have been some concerns raised about the risk of CJD (the human form of BSE, as in “mad cow disease”) from consuming brain matter from cows, but studies have not found any evidence of this actually happening.

    There is also some evidence that phosphatidyserine significantly boosts cognitive performance, even in young people with no extant cognitive decline, for example:

    The effects of [phosphatidylserine supplementation] on cognitive function, mood and endocrine response before and following acute exercise

    (as the title suggests, they did also test for its effect on mood and endocrine response, but found it made no difference to those, just the cognitive function—which enjoyed a boost before exercise, as well as after it, meaning that the boost wasn’t dependent on the exercise)

    PS for cognitive enhancement in the young and healthy is not nearly so well-explored as its use as a later-life guard against age-related cognitive decline. However, just because the studies in younger people are dwarfed in number by the studies in older people, doesn’t detract from the validity of the studies in younger people.

    Basically: its use in older people has been studied the most, but all available evidence points to it being beneficial to brain health at all ages.

    Where can we get it?

    We don’t sell it (or anything else), but for your convenience, here’s an example product on Amazon.

    Enjoy!

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  • Young Forever – by Dr. Mark Hyman

    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.

    A lot of work on the topic of aging looks at dealing with symptoms of aging, rather than the causes. And, that’s worthy too! Those symptoms often do need addressing. But this book is about treating the causes.

    Dr. Hyman outlines:

    • How and why we age
    • The root causes of aging
    • The ten hallmarks of aging

    From there, we go on to learn about the foundations of longevity, and balancing our seven core biological systems:

    1. Nutrition, digestion, and the microbiome
    2. Immune and inflammatory system
    3. Cellular energy
    4. Biotransformation and elimination/detoxification*
    5. Hormones, neurotransmitters, and other signalling molecules
    6. Circulation and lymphatic flow
    7. Structural health, from muscle and bones to cells and tissues

    *This isn’t about celery juice fasts and the like; this talking about the work your kidneys, liver, and other organs do

    The book goes on to detail how, precisely, with practical actionable advices, to optimize and take care of each of those systems.

    All in all: if you want a great foundational understanding of aging and how to slow it to increase your healthy lifespan, this is a very respectable option.

    Click here to get your copy of “Young Forever” from Amazon today!

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