The Best Kind Of Fiber For Overall Health?

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The Fiber Of Good Health

We’ve written before about how most people in industrialized nations in general, and N. America in particular, do not get nearly enough fiber:

Why You’re Probably Not Getting Enough Fiber (And How To Fix It)

Fiber’s important for many aspects of health, not least of all the heart:

What Matters Most For Your Heart? Eat More (Of This) For Lower Blood Pressure

As well, of course, as being critical for gut health:

Gut Health 101: Making Friends With Your Gut (You Can Thank Us Later)

But is all fiber “prebiotic fiber”, and/or are some better than others?

Beta-glucan

A recent study (it’s a mouse study, but promising in its applicability for humans) examined the health impacts of 5 different fiber types:

  • pectin
  • β-glucan
  • wheat dextrin
  • resistant starch
  • cellulose (control)

As for health metrics, they measured:

  • body weight
  • adiposity
  • indirect calorimetry
  • glucose tolerance
  • gut microbiota
  • metabolites thereof

What they found was…

❝Only β-glucan supplementation during HFD-feeding decreased adiposity and body weight gain and improved glucose tolerance compared with HFD-cellulose, whereas all other fibers had no effect. This was associated with increased energy expenditure and locomotor activity in mice compared with HFD-cellulose.

All fibers supplemented into an HFD uniquely shifted the intestinal microbiota and cecal short-chain fatty acids; however, only β-glucan supplementation increased cecal butyrate concentrations. Lastly, all fibers altered the small-intestinal microbiota and portal bile acid composition. ❞

~ Dr. Elizabeth Howard et al.

If you’d like to read more, the study itself is here:

Impact of Plant-Based Dietary Fibers on Metabolic Homeostasis in High-Fat Diet Mice via Alterations in the Gut Microbiota and Metabolites

If you’d like to read less, the short version is that they are all good but β-glucan scored best in several metrics.

It also acts indirectly as a GLP-1 agonist, by the way:

The right fiber may help you lose weight

You may be wondering: what is β-glucan found in?

It’s found in many (non-animal product) foods, but oats, barley, mushrooms, and yeasts are all good sources.

Is it available as a supplement?

More or less; there are supplements that contain it generously, here’s an example product on Amazon, a cordyceps extract, of which >30% is β-glucan.

As an aside, cordyceps itself has many other healthful properties too:

Cordyceps: Friend Or Foe? ← the answer is, it depends! If you’re human, it’s a friend.

Enjoy!

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  • Activate Your Brain – by Scott G. Halford

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    We’ve reviewed a number of “improve your brain health” books over time, and this one’s quite different. How?

    Most of the books we’ve reviewed have been focused on optimizing diet and exercise for brain health with a nod to other factors… This one focuses more on those other factors.

    While this book does reference a fair bit of hard science, much of it is written more like a pop psychology book. As a result, most of the actionable advices, of which there are many, pertain to cognitive and behavioral adjustments.

    And no, this is not a book of Cognitive Behavioral Therapy. It just happened to also address those two aspects.

    We learn, for example, how our neurochemistry influences us—but also how we can influence our neurochemistry.

    We also learn the oft-neglected (in other books!) social factors that influence brain health. Not just for our happiness, but for our productivity and peak cognitive performance too. Halford talks us through optimizing these such that we and those around us all get to enjoy the best brain benefits available to each of us.

    The format of the book is that each chapter explains what you need to know for a given “activation” as the author calls it, and then an exercise to try out. With fifteen such chapters, every reader is bound to find at least something new.

    Bottom line: if you want to grease those synapses in more ways than just eating some nuts and berries and getting good sleep and exercise, this book is a great resource.

    Click here to check out “Activate Your Brain” and find your next level of cognitive performance!

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  • Fermenting Everything – by Andy Hamilton

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    This is not justanother pickling book! This is, instead, what it says on the front cover, “fermenting everything”.

    Ok, maybe not literally everything, but every kind of thing that can reasonably be fermented, and it’s probably a lot more things than you might think.

    From habanero chutney to lacto-lemonade, aioli to kombucha, Ukrainian fermented tomatoes to kvass. We could go on, but we’d soon run out of space. You get the idea. If it’s a fermented product (food, drink, condiment) and you’ve heard of it, there’s probably a recipe in here.

    All in all, this is a great way to get in your gut-healthy daily dose of fermented products!

    He does also talk safety, and troubleshooting too. And so long as you have a collection of big jars and a fairly normally-furnished kitchen, you shouldn’t need any more special equipment than that, unless you decide to you your fermentation skills for making beer (which does need some extra equipment, and he offers advice on that—our advice as a health science publication is “don’t drink beer”, though).

    Bottom line: with this in hand, you can create a lot of amazing foods/drinks/condiments that are not only delicious, but also great for gut health.

    Click here to check out Fermenting Everything, and widen your culinary horizons!

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  • The Not-So-Sweet Science Of Sugar Addiction

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    One Lump Mechanism Of Addiction Or Two?

    In Tuesday’s newsletter, we asked you to what extent, if any, you believe sugar is addictive; we got the above-depicted, below-described, set of responses:

    • About 47% said “Sugar is chemically addictive, comparable to alcohol”
    • About 34% said “Sugar is chemically addictive, comparable to cocaine”
    • About 11% said “Sugar is not addictive; that’s just excuse-finding hyperbole”
    • About 9% said “Sugar is a behavioral addiction, comparable to video gaming”

    So what does the science say?

    Sugar is not addictive; that’s just excuse-finding hyperbole: True or False?

    False, by broad scientific consensus. As ever, the devil’s in the details definitions, but while there is still discussion about how best to categorize the addiction, the scientific consensus as a whole is generally: sugar is addictive.

    That doesn’t mean scientists* are a hive mind, and so there will be some who disagree, but most papers these days are looking into the “hows” and “whys” and “whats” of sugar addiction, not the “whether”.

    *who are also, let us remember, a diverse group including chemists, neurobiologists, psychologists, social psychologists, and others, often collaborating in multidisciplinary teams, each with their own focus of research.

    Here’s what the Center of Alcohol and Substance Use Studies has to say, for example:

    Sugar Addiction: More Serious Than You Think

    Sugar is a chemical addiction, comparable to alcohol: True or False?

    True, broadly, with caveats—for this one, the crux lies in “comparable to”, because the neurology of the addiction is similar, even if many aspects of it chemically are not.

    In both cases, sugar triggers the release of dopamine while also (albeit for different chemical reasons) having a “downer” effect (sugar triggers the release of opioids as well as dopamine).

    Notably, the sociology and psychology of alcohol and sugar addictions are also similar (both addictions are common throughout different socioeconomic strata as a coping mechanism seeking an escape from emotional pain).

    See for example in the Journal of Psychoactive Drugs:

    Sweet Preference, Sugar Addiction and the Familial History of Alcohol Dependence: Shared Neural Pathways and Genes

    On the other hand, withdrawal symptoms from heavy long-term alcohol abuse can kill, while withdrawal symptoms from sugar are very much milder. So there’s also room to argue that they’re not comparable on those grounds.

    Sugar is a chemical addiction, comparable to cocaine: True or False?

    False, broadly. There are overlaps! For example, sugar drives impulsivity to seek more of the substance, and leads to changes in neurobiological brain function which alter emotional states and subsequent behaviours:

    The impact of sugar consumption on stress driven, emotional and addictive behaviors

    However!

    Cocaine triggers a release of dopamine (as does sugar), but cocaine also acts directly on our brain’s ability to remove dopamine, serotonin, and norepinephrine:

    The Neurobiology of Cocaine Addiction

    …meaning that in terms of comparability, they (to use a metaphor now, not meaning this literally) both give you a warm feeling, but sugar does it by turning up the heating a bit whereas cocaine does it by locking the doors and burning down the house. That’s quite a difference!

    Sugar is a behavioral addiction, comparable to video gaming: True or False?

    True, with the caveat that this a “yes and” situation.

    There are behavioral aspects of sugar addiction that can reasonably be compared to those of video gaming, e.g. compulsion loops, always the promise of more (without limiting factors such as overdosing), anxiety when the addictive element is not accessible for some reason, reduction of dopaminergic sensitivity leading to a craving for more, etc. Note that the last is mentioning a chemical but the mechanism itself is still behavioral, not chemical per se.

    So, yes, it’s a behavioral addiction [and also arguably chemical in the manners we’ve described earlier in this article].

    For science for this, we refer you back to:

    The impact of sugar consumption on stress driven, emotional and addictive behaviors

    Want more?

    You might want to check out:

    Beating Food Addictions: When It’s More Than “Just” Cravings

    Take care!

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  • No, COVID-19 vaccines don’t cause ‘turbo cancer’

    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.

    What you need to know

    • COVID-19 vaccines do not cause “turbo cancer” or contain SV40, a virus that has been suspected of causing cancer.
    • There is no link between rising cancer rates and COVID-19 vaccines.
    • Staying up to date on COVID-19 vaccines is a safe, free way to support long-term health.

    Myths that COVID-19 vaccines cause cancer have been circulating since the vaccines were first developed. These false claims resurfaced last month after Princess Kate Middleton announced that she is undergoing cancer treatment, with some vaccine opponents falsely claiming Middleton has a “turbo cancer” caused by COVID-19 vaccines.

    Here’s what we know: “Turbo cancer” is a made-up term for a fake phenomenon, and there is strong evidence that COVID-19 vaccines do not cause cancer or increase cancer risk.

    Read on to learn how to recognize false claims about COVID-19 vaccines and cancer.


    Do COVID-19 vaccines contain cancer-causing ingredients?

    No. Some vaccine opponents claim that COVID-19 vaccines contain SV40, a virus that has been suspected of causing cancer. This claim is false.

    A piece of SV40’s DNA sequence—called a “promoter”—was used as starting material to develop COVID-19 vaccines, but the virus itself is not present in the vaccines. The promoter does not contain the part of the virus that enters the cell nucleus, so it poses no risk.

    COVID-19 vaccines and their ingredients have been rigorously studied in millions of people worldwide and have been determined to be safe. The National Cancer Institute and the American Cancer Society agree that COVID-19 vaccines do not increase cancer risk or accelerate cancer growth.

    Why are cancer rates rising in the U.S.?

    Since the 1990s, cancer rates have been on the rise globally and in the U.S., most notably in people under 50. Increased cancer screening may partially explain the rising number of cancer diagnoses. Exposure to air pollution and lifestyle factors like tobacco use, alcohol use, and diet may also be contributing factors.

    What are the benefits of staying up to date on COVID-19 vaccines?

    Staying up to date on COVID-19 vaccines is a safe way to protect our long-term health. COVID-19 vaccines prevent severe illness, hospitalization, death, and long COVID.

    The CDC says staying up to date on COVID-19 vaccines is a safer and more reliable way to build protection against COVID-19 than getting sick from COVID-19.

    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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  • Thinking about trying physiotherapy for endometriosis pain? Here’s what to expect

    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.

    Endometriosis is a condition that affects women and girls. It occurs when tissue similar to the lining of the uterus ends up in other areas of the body. These areas include the ovaries, bladder, bowel and digestive tract.

    Endometriosis will affect nearly one million Australian women and girls in their lifetime. Many high-profile Australians are affected by endometriosis including Bindi Irwin, Sophie Monk and former Yellow Wiggle, Emma Watkins.

    Symptoms of endometriosis include intense pelvic, abdominal or low back pain (that is often worse during menstruation), bladder and bowel problems, pain during sex and infertility.

    But women and girls wait an average of seven years to receive a diagnosis. Many are living with the burden of endometriosis and not receiving treatments that could improve their quality of life. This includes physiotherapy.

    Netpixi/Shutterstock

    How is endometriosis treated?

    No treatments cure endometriosis. Symptoms can be reduced by taking medications such as non-steriodal anti-inflammatories (ibuprofen, aspirin or naproxen) and hormonal medicines.

    Surgery is sometimes used to diagnose endometriosis, remove endometrial lesions, reduce pain and improve fertility. But these lesions can grow back.

    Whether they take medication or have surgery, many women and girls continue to experience pain and other symptoms.

    Pelvic health physiotherapy is often recommended as a non-drug management technique to manage endometriosis pain, in consultation with a gynaecologist or general practitioner.

    The goal of physiotherapy treatment depends on the symptoms but is usually to reduce and manage pain, improve ability to do activities, and ultimately improve quality of life.

    What could you expect from your first appointment?

    Physiotherapy management can differ based on the severity and location of symptoms. Prior to physical tests and treatments, your physiotherapist will comprehensively explain what is going to happen and seek your permission.

    They will ask questions to better understand your case and specific needs. These will include your age, weight, height as well as the presence, location and intensity of symptoms.

    You will also be asked about the history of your period pain, your first period, the length of your menstrual cycle, urinary and bowel symptoms, sexual function and details of any previous treatments and tests.

    They may also assess your posture and movement to see how your muscles have changed because of the related symptoms.

    Physio assesses patient
    During the consultation, your physio will assess you for painful areas and muscle tightness. Netpixi/Shutterstock

    They will press on your lower back and pelvic muscles to spot painful areas (trigger points) and muscle tightness.

    If you consent to a vaginal examination, the physiotherapist will use one to two gloved fingers to assess the area inside and around your vagina. They will also test your ability to coordinate, contract and relax your pelvic muscles.

    What type of treatments could you receive?

    Depending on your symptoms, your physiotherapist may use the following treatments:

    General education

    Your physiotherapist will give your details about the disease, pelvic floor anatomy, the types of treatment and how these can improve pain and other symptoms. They might teach you about the changes to the brain and nerves as a result of being in long-term pain.

    They will provide guidance to improve your ability to perform daily activities, including getting quality sleep.

    If you experience pain during sex or difficulty using tampons, they may teach you how to use vaginal dilators to improve flexibility of those muscles.

    Pelvic muscle exercises

    Pelvic muscles often contract too hard as a result of pain. Pelvic floor exercises will help you contract and relax muscles appropriately and provide an awareness of how hard muscles are contracting.

    This can be combined with machines that monitor muscle activity or vaginal pressure to provide detailed information on how the muscles are working.

    Yoga, stretching and low-impact exercises

    Yoga, stretching and low impact aerobic exercise can improve fitness, flexibility, pain and blood circulation. These have general pain-relieving properties and can be a great way to contract and relax bigger muscles affected by long-term endometriosis.

    These exercises can help you regain function and control with a gradual progression to perform daily activities with reduced pain.

    Physio talks to woman resting her feet on a fit ball
    Low-impact exercise can reduce pain. ABO Photography/Shutterstock

    Hydrotherapy (physiotherapy in warm water)

    Performing exercises in water improves blood circulation and muscle relaxation due to the pressure and warmth of the water. Hydrotherapy allows you to perform aerobic exercise with low impact, which will reduce pain while exercising.

    However, while hydrotherapy shows positive results clinically, scientific studies to show its effectiveness studies are ongoing.

    Manual therapy

    Women frequently have small areas of muscle that are tight and painful (trigger points) inside and outside the vagina. Pain can be temporarily reduced by pressing, massaging or putting heat on the muscles.

    Physiotherapists can teach patients how to do these techniques by themselves at home.

    What does the evidence say?

    Overall, patients report positive experiences pelvic health physiotherapists treatments. In a study of 42 women, 80% of those who received manual therapy had “much improved pain”.

    In studies investigating yoga, one study showed pain was reduced in 28 patients by an average of 30 points on a 100-point pain scale. Another study showed yoga was beneficial for pain in all 15 patients.

    But while some studies show this treatment is effective, a review concluded more studies were needed and the use of physiotherapy was “underestimated and underpublicised”.

    What else do you need to know?

    If you have or suspect you have endometriosis, consult your gynaecologist or GP. They may be able to suggest a pelvic health physiotherapist to help you manage your symptoms and improve quality of life.

    As endometriosis is a chronic condition you may be entitled to five subsidised or free sessions per calendar year in clinics that accept Medicare.

    If you go to a private pelvic health physiotherapist, you won’t need a referral from a gynaecologist or GP. Physiotherapy rebates can be available to those with private health insurance.

    The Australian Physiotherapy Association has a Find a Physio section where you can search for women’s and pelvic physiotherapists. Endometriosis Australia also provides assistance and advice to women with Endometriosis.

    Thanks to UTS Masters students Phoebe Walker and Kasey Collins, who are researching physiotherapy treatments for endometriosis, for their contribution to this article.

    Peter Stubbs, Senior Lecturer in Physiotherapy, University of Technology Sydney and Caroline Wanderley Souto Ferreira, Visiting Professor of Physiotherapy, University of Technology Sydney

    This article is republished from The Conversation under a Creative Commons license. Read the original article.

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  • Apricots vs Plums – Which is Healthier?

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    Our Verdict

    When comparing apricots to plums, we picked the apricots.

    Why?

    Both are great, but it wasn’t close!

    In terms of macros, apricots have more fiber, protein, and carbs, with their fiber:carb ratio also giving them the lower glycemic index (although, as usual for any whole fruit, neither are going to give anyone metabolic disease). In any case, by the numbers, and especially for having more fiber, apricots win this category.

    In the category of vitamins, apricots have more of vitamins A, B1, B2, B3, B5, B6, B7, B9, C, E, and choline, while plums have more vitamin K. A clear win for apricots.

    When it comes to minerals, apricots have more calcium, copper, iron, magnesium, manganese, phosphorus, potassium, selenium, and zinc, while plums are not higher in any mineral. Another hands-down win for apricots.

    Looking at polyphenols, both have an abundance of many, especially assorted flavanols, including quercetin. However, plums additionally have some anthocyanins (whence the color), so they get a marginal victory in this round.

    Still, adding up the sections, it’s a 3:1 win for apricots. Of course, do enjoy either or both, though; diversity is good!

    Want to learn more?

    You might like:

    Top 8 Fruits That Prevent & Kill Cancer

    Enjoy!

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