Chaga Mushrooms’ Immune & Anticancer Potential

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What Do Chaga Mushrooms Do?

Chaga mushrooms, which also go by other delightful names including “sterile conk trunk rot” and “black mass”, are a type of fungus that grow on birch trees in cold climates such as Alaska, Northern Canada, Northern Europe, and Siberia.

They’ve enjoyed a long use as a folk remedy in Northern Europe and Siberia, mostly to boost immunity, mostly in the form of a herbal tea.

Let’s see what the science says…

Does it boost the immune system?

It definitely does if you’re a mouse! We couldn’t find any studies on humans yet. But for example:

(cytokines are special proteins that regulate the immune system, and Chaga tells them to tell the body to produce more white blood cells)

Wait, does that mean it increases inflammation?

Definitely not if you’re a mouse! We couldn’t find any studies on humans yet. But for example:

Anti-inflammatory things often fight cancer. Does chaga?

Definitely if you’re a mouse! We couldn’t find any studies in human cancer patients yet. But for example:

Continuous intake of the Chaga mushroom (Inonotus obliquus) aqueous extract suppresses cancer progression and maintains body temperature in mice

While in vivo human studies are conspicuous by their absence, there have been in vitro human studies, i.e., studies performed on cancerous human cell samples in petri dishes. They are promising:

I heard it fights diabetes; does it?

You’ll never see this coming, but: definitely if you’re a mouse! We couldn’t find any human studies yet. But for example:

Is it safe?

Honestly, there simply have been no human safety studies to know for sure, or even to establish an appropriate dosage.

Its only-partly-understood effects on blood sugar levels and the immune system may make it more complicated for people with diabetes and/or autoimmune disorders, and such people should definitely seek medical advice before taking chaga.

Additionally, chaga contains a protein that can prevent blood clotting. That might be great by default if you are at risk of blood clots, but not so great if you are already on blood-thinning medication, or otherwise have a bleeding disorder, or are going to have surgery soon.

As with anything, we’re not doctors, let alone your doctors, so please consult yours before trying chaga.

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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  • Considering taking Wegovy to lose weight? Here are the risks and benefits – and how it differs from Ozempic

    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.

    The weight-loss drug Wegovy is now available in Australia.

    Wegovy is administered as a once-weekly injection and is approved specifically for weight management. It’s intended to be used in combination with a reduced-energy diet and increased physical activity.

    So how does Wegovy work and how much weight can you expect to lose while taking it? And what are the potential risks – and costs – for those who use it?

    Let’s look at what the science says.

    Halfpoint/Shutterstock

    What is Wegovy?

    Wegovy is a brand name for the medication semaglutide. Semaglutide is a glucagon-like peptide-1 receptor agonist (GLP-1RA). This means it makes your body’s own glucagon-like peptide-1 hormone, called GLP-1 for short, work better.

    Normally when you eat, the body releases the GLP-1 hormone which helps signal to your brain that you are full. Semaglutides enhance this effect, leading to a feeling of fullness, even when you haven’t eaten.

    Another role of GLP-1 is to stimulate the body to produce more insulin, a hormone which helps lower the level of glucose (sugar) in the blood. That’s why semaglutides have been used for several years to treat type 2 diabetes.

    Pack of Wegovy injections
    Wegovy is self-injected once a week. S Becker/Shutterstock

    How does Wegovy differ from Ozempic?

    Like Wegovy, Ozempic is a semaglutide. The way Wegovy and Ozempic work in the body are essentially the same. They’re made by the same pharmaceutical company, Novo Nordisk.

    But there are two differences:

    1) They are approved for two different (but related) reasons.

    In Australia (and the United States), Ozempic is approved for use to improve blood glucose levels in adults with type 2 diabetes. By managing blood glucose levels effectively, the medication aims to reduce the risk of major complications, such as heart disease.

    Wegovy is approved for use alongside diet and exercise for people with a body mass index (BMI) of 30 or greater, or 27 or greater but with other conditions such as high blood pressure.

    Wegovy can also be used in people aged 12 years and older. Like Ozempic, Wegovy aims to reduce the risk of future health complications, including heart disease.

    2) They are both injected but come in different strengths.

    Ozempic is available in pre-loaded single-dose pens with varying dosages of 0.25 mg, 0.5 mg, 1 mg, or 2 mg per injection. The dose can be slowly increased, up to a maximum of 2 mg per week, if needed.

    Wegovy is available in prefilled single-dose pens with doses of 0.25 mg, 0.5 mg, 1 mg, 1.7 mg, or 2.4 mg. The treatment starts with a dose of 0.25 mg once weekly for four weeks, after which the dose is gradually increased until reaching a maintenance dose of 2.4 mg weekly.

    While it’s unknown what the impact of Wegovy’s introduction will be on Ozempic’s availability, Ozempic is still anticipated to be in low supply for the remainder of 2024.

    Is Wegovy effective for weight loss?

    Given Wegovy is a semaglutide, there is very strong evidence it can help people lose weight and maintain this weight loss.

    A recent study found that over four years, participants taking Wevovy as indicated experienced an average weight loss of 10.2% body weight and a reduction in waist circumference of 7.7cm.

    For those who stop taking the medication, analyses have shown that about two-thirds of weight lost is regained.

    Man leans against a bridge rail
    Wegovy can help people lose weight and maintain their weight loss – while they take the drug. Mladen Mitrinovic/Shutterstock

    What are the side effects of Wegovy?

    The most common side effects are nausea and vomiting.

    However, other serious side effects are also possible because of the whole-of-body impact of the medication. Thyroid tumours and cancer have been detected as a risk in animal studies, yet are rarely seen in human scientific literature.

    In the four-year Wegovy trial, 16.6% of participants who received Wegovy (1,461 people) experienced an adverse event that led to them permanently discontinuing their use of the medication. This was higher than the 8.2% of participants (718 people) who received the placebo (with no active ingredient).

    Side effects included gastrointestinal disorders (including nausea and vomiting), which affected 10% of people who used Wegovy compared to 2% of people who used the placebo.

    Gallbladder-related disorders occurred in 2.8% of people who used Wegovy, and 2.3% of people who received the placebo.

    Recently, concerns about suicidal thoughts and behaviours have been raised, after a global analysis reviewed more than 36 million reports of adverse events from semaglutide (Ozempic or Wegovy) since 2000.

    There were 107 reports of suicidal thoughts and self-harm among people taking semaglutide, sadly including six actual deaths. When people stopped the medication, 62.5% found the thoughts went away. What we don’t know is whether dose, weight loss, or previous mental health status or use of antidepressants had a role to play.

    Finally, concerns are growing about the negative effect of semaglutides on our social and emotional connection with food. Anecdotal and scientific evidence suggests people who use semaglutides significantly reduce their daily dietary intake (as anticipated) by skipping meals and avoiding social occasions – not very enjoyable for people and their loved ones.

    How can people access Wegovy?

    Wegovy is available for purchase at pharmacists with a prescription from a doctor.

    But there is a hefty price tag. Wegovy is not currently subsidised through the Pharmaceutical Benefits Scheme, leaving patients to cover the cost. The current cost is estimated at around A$460 per month dose.

    If you’re considering Wegovy, make an appointment with your doctor for individual advice.

    Lauren Ball, Professor of Community Health and Wellbeing, The University of Queensland and Emily Burch, Accredited Practising Dietitian and Lecturer, Southern Cross University

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

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  • Macadamias vs Hazelnuts – Which is Healthier?

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    Our Verdict

    When comparing macadamias to hazelnuts, we picked the hazelnuts.

    Why?

    In terms of macros first, hazelnuts have 2x the protein, and slightly more carbs and fiber. We call this a win for hazelnuts.

    When it comes to vitamins, macadamias have more of vitamins B1, B2, and B3, while hazelnuts have more of vitamins A, B5, B6, B7, B9, C, and E. Notably, 28x more vitamin E, so that’s not inconsiderable. Also 10x the vitamin B9, and 5x the vitamin C, and the rest, more modest wins. In any case, clearly a strong win for hazelnuts here.

    In the category of minerals, macadamias have more selenium, while hazelnuts have more calcium, copper, iron, magnesium, manganese, phosphorus, potassium, and zinc. Another clear win for hazelnuts.

    In short, hazelnuts win in all categories. However, by all means enjoy either or both (unless you have a nut allergy, in which case, obviously don’t).

    Want to learn more?

    You might like to read:

    Why You Should Diversify Your Nuts

    Take care!

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  • How Emotions Are Made – by Dr. Lisa Feldman Barrett

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    We’ve previously reviewed Dr. Barrett’s (also good) book Seven And A Half Lessons About The Brain, and this one is very different, and of more practical use:

    The main thrust of the book is: the bioessentialist model of emotions is flawed; there is also no Platonic perfect form of any given emotion, and in fact emotions are constructed by the brain as a learned adaptive response.

    She argues this from the dual vectors of on the one hand hard sciences of affective neuroscience and clinical psychology, and on the other hand sociology and anthropology.

    In the category of criticism: Dr. Barrett, a very well-known and well-respected cognitive neuroscientist, is not an expert on sociology and anthropology, and some of her claims there are verifiably false.

    However, most of the book is given over the psychophysiology, which is entirely her thing, and she explains it clearly and simply while backing everything up with mountains of data.

    The usefulness of this book is chiefly: if we understand that emotions are not innate and are instead constructed adaptive (and sometimes maladaptive) neurological responses to stimuli and associations, we can set about rewiring things a little in accord with what’s actually more beneficial to us. The book also outlines how.

    Bottom line: if you’d like to be able to not merely manage emotions as they are, but also prune and/or grow them from the stem up, then this book provides a robustly scientific approach for doing that.

    Click here to check out How Emotions Are Made, and get more discerning about yours!

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  • The Sucralose News: Scaremongering Or Serious?

    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’s the news on sucralose?

    These past days the press has been abuzz with frightening tales:

    How true and/or serious is this?

    Firstly, let’s manage expectations. Pineapple juice also breaks down DNA, but is not generally considered a health risk. So let’s keep that in mind, while we look into the science.

    Is sucralose as scary as pineapple juice, or is it something actually dangerous?

    The new study (that sparked off these headlines)

    The much-referenced study is publicly available to read in full—here it is:

    Toxicological and pharmacokinetic properties of sucralose-6-acetate and its parent sucralose: in vitro screening assays

    You may notice that this doesn’t have quite the snappy punchiness of some of the headlines, but let’s break this down, if you’ll pardon the turn of phrase:

    • Toxicological: pertaining to whether or not it has toxic qualities
    • Pharmacokinetic: the science of asking, of chemicals in bodies, “where did it come from; where did it go; what could it do there; what can we know?”
    • Sucralose-6-acetate: an impurity that can be found in sucralose. For perspective, the study found that the sucralose in Splenda contained “up to” 0.67% sucralose-6-acetate.
    • Sucralose: a modified form of sucrose, that makes it hundreds of times sweeter, and non-caloric because the body cannot break it down so it’s treated as a dietary fiber and just passes through
    • In vitro: things are happening in petri dishes, not in animals (human or otherwise), which would be called “in vivo”
    • Screening assays: “we set up a very closed-parameters chemical test, to see what happens when we add this to this” ⇽ oversimplification, but this is the basic format of a screening assay

    Great, now we understand the title, but what about the study?

    Researchers looked primarily at the effects of sucralose-6-acetate and sucralose (together and separately) on epithelial cells (these are very simple cells that are easy to study; conveniently, they are also most of what makes up our intestinal walls). For this, they used a fancy way of replicating human intestinal walls, that’s actually quite fascinating but beyond the scope of today’s newsletter. Suffice it to say: it’s quite good, and/but has its limitations too. They also looked at some in vivo rat studies.

    What they found was…

    Based on samples from the rat feces (somehow this didn’t make it into the headlines), it appears that sucralose may be acetylated in the intestines. What that means is that we, if we are like the rats (definitely not a given, but a reasonable hypothesis), might convert up to 10% of sucralose into sucralose-6-acetate inside us. Iff we do, the next part of the findings become more serious.

    Based on the in vitro simulations, both sucralose and sucralose-6-acetate reduced intestinal barrier integrity at least a little, but sucralose-6-acetate was the kicker when it came to most of the effects—at least, so we (reasonably!) suppose.

    Basically, there’s a lot of supposition going on here but the suppositions are reasonable. That’s how science works; there’s usually little we can know for sure from a single study; it’s when more studies roll in that we start to get a more complete picture.

    What was sucralose-6-acetate found to do? It increased the expression of genes associated with inflammation, oxidative stress, and cancer (granted those three things generally go together). So that’s a “this probably has this end result” supposition.

    More concretely, and which most of the headlines latched onto, it was found (in vitro) to induce cytogenic damage, specifically, of the clastogenic variety (produces DNA strand breaks—so this is different than pineapple’s bromelain and DNA-helicase’s relatively harmless unzipping of genes).

    The dose makes the poison

    So, how much is too much and is that 0.67% something to worry about?

    • Remembering the rat study, it may be more like 10% once our intestines have done their thing. Iff we’re like rats.
    • But, even if it’s only 0.67%, this will still be above the “threshold of toxicological concern for genotoxicity”, of 0.15µg/person/day.
    • On the other hand, the fact that these were in vitro studies is a serious limitation.
    • Sometimes something is very dangerous in vitro, because it’s being put directly onto cells, whereas in vivo we may have mechanisms for dealing with that.

    We won’t know for sure until we get in vivo studies in human subjects, and that may not happen any time soon, if ever, depending on the technical limitations and ethical considerations that sometimes preclude doing certain studies in humans.

    Bottom line:

    • The headlines are written to be scary, but aren’t wrong; their claims are fundamentally true
    • What that means for us as actual humans may not be the same, however; we don’t know yet
    • For now, it is probably reasonable to avoid sucralose just in case

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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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  • The Imperfect Nutritionist – by Jennifer Medhurst

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    The idea of the “imperfect nutritionist” is to note that we’re all different with slightly different needs and sometimes very different preferences (or circumstances!) and having a truly perfect diet is probably a fool’s errand. Should we just give up, then? Not at all:

    What we can do, Medhust argues, is find what’s best for us, realistically.

    It’s better to have an 80% perfect diet 80% of the time, than to have a totally perfect diet for four and a half meals before running out of steam (and ingredients).

    As for the “seven principles” mentioned in the title… we’re not going to keep those a mystery; they are:

    1. Focusing on wholefood
    2. Being diverse
    3. Knowing your fats
    4. Including fermented, prebiotic and probiotic foods
    5. Reducing refined carbohydrates
    6. Being aware of liquids
    7. Eating mindfully

    The first part of the book is a treatise on how to implement those principles in your diet generally; the second part of the book is a recipe collection—70 recipes, with “these ingredients will almost certainly be available at your local supermarket” as a baseline. No instances of “the secret to being a good chef is knowing how to source fresh ingredients; ask your local greengrocer where to find spring-harvested perambulatory truffle-cones” here!

    Basically, it focusses on adding healthy foods per your personal preferences and circumstances, and building these up into a repertoire of meals that will keep you and your family happy and healthy.

    Pick Up Your Copy Of The Imperfect Nutritionist From Amazon Today!

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