Fast Burn – by Dr. Ian K. Smith

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Intermittent fasting seems simple enough: how complicated can “stop eating for a bit” be? Well, there are nuances and tweaks and hacks and “if you do this bit wrong it will sabotage your benefits” things to know about, too.

Dr. Smith takes us through the basic essentials first, and covers each of the main kinds of intermittent fasting, for example:

  • Time-restricted eating; 12:12, 16:8, etc, with those being hours fasting vs hours eating
  • Caloric restriction models; for example 5:2, where one eats “normally” for 5 days a week, and on two non-consecutive days, eats only 500 calories
  • Day off models and more; for example, “no eating on Sundays” that can, depending on your schedule, be anything from a 24-hour fast to 36 hours or more.

…and, most notably, what they each do metabolically.

Then, the real meat of the book is his program. Taking into account the benefits of each form of fasting, he weaves together a 9-week program to first ease us gently into intermittent fasting, and then enjoy the maximum benefits with minimum self-sabotage.

Which is the biggest stumbling-block for many trying intermittent fasting for the first time, so it’s a huge help that he takes care of this here.

He also includes meal plans and recipes; readers can use those or not; the fasting plan stands on its own two feet without them too.

Bottom line: if you’ve been thinking of trying intermittent fasting but have been put off by all the kinds or have had trouble sticking to it, this book may be just what you need.

Click here to check out Fast Burn on Amazon and see what you can achieve!

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Recommended

  • In Defense of Food – by Michael Pollan
  • The Philosophy Gym – by Dr. Stephen Law
    Get your brain in shape with The Philosophy Gym. Dr. Stephen Law presents philosophical questions and methods in a beginner-friendly yet challenging way.

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  • White Bread vs White Pasta – Which Is Healthier?

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    Our Verdict

    When comparing a white bread to a white pasta, we picked the pasta.

    Why?

    Neither are great for the health! But like for like, the glycemic index of the bread is usually around 150% of the glycemic index for pasta.

    All that said, we heartily recommend going for wholegrain in either case!

    Bonus tip: cooking pasta “al dente”, so it is still at least a little firm to the bite, results in a lower GI compared to being boiled to death.

    Bonus bonus tip: letting pasta cool increases resistant starches. You can then reheat the pasta without losing this benefit.

    Please don’t put it in the microwave though; you will make an Italian cry. Instead, simply put it in a colander and pour boiling water over it, and then serve in your usual manner (a good approach if serving it separately is: put it in the serving bowl/dish/pan, drizzle a little extra virgin olive oil and a little cracked black pepper, stir to mix those in, and serve)

    Enjoy!

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  • What’s the difference between ‘man flu’ and flu? Hint: men may not be exaggerating

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    What’s the difference? is a new editorial product that explains the similarities and differences between commonly confused health and medical terms, and why they matter.

    The term “man flu” takes a humorous poke at men with minor respiratory infections, such as colds, who supposedly exaggerate their symptoms.

    According to the stereotype, a man lies on the sofa with a box of tissues. Meanwhile his female partner, also with a snotty nose, carries on working from home, doing the chores and looking after him.

    But is man flu real? Is there a valid biological reason behind men’s symptoms or are men just malingering? And how does man flu differ from flu?

    baranq/Shutterstock

    What are the similarities?

    Man flu could refer to a number of respiratory infections – a cold, flu, even a mild case of COVID. So it’s difficult to compare man flu with flu.

    But for simplicity, let’s say man flu is actually a cold. If that’s the case, man flu and flu have some similar features.

    Both are caused by viruses (but different ones). Both are improved with rest, fluids, and if needed painkillers, throat lozenges or decongestants to manage symptoms.

    Both can share similar symptoms. Typically, more severe symptoms such as fever, body aches, violent shivering and headaches are more common in flu (but sometimes occur in colds). Meanwhile sore throats, runny noses, congestion and sneezing are more common in colds. A cough is common in both.

    What are the differences?

    Flu is a more serious and sometimes fatal respiratory infection caused by the influenza virus. Colds are caused by various viruses such as rhinoviruses, adenoviruses, and common cold coronaviruses, and are rarely serious.
    Colds tend to start gradually while flu tends to start abruptly.

    Flu can be detected with laboratory or at-home tests. Man flu is not an official diagnosis.

    Severe flu symptoms may be prevented with a vaccine, while cold symptoms cannot.

    Serious flu infections may also be prevented or treated with antiviral drugs such as Tamiflu. There are no antivirals for colds.

    OK, but is man flu real?

    Again, let’s assume man flu is a cold. Do men really have worse colds than women? The picture is complicated.

    One study, with the title “Man flu is not a thing”, did in fact show there were differences in men’s and women’s symptoms.

    This study looked at symptoms of acute rhinosinusitis. That’s inflammation of the nasal passages and sinuses, which would explain a runny or stuffy nose, a sinus headache or face pain.

    When researchers assessed participants at the start of the study, men and women had similar symptoms. But by days five and eight of the study, women had fewer or less-severe symptoms. In other words, women had recovered faster.

    But when participants rated their own symptoms, we saw a somewhat different picture. Women rated their symptoms worse than how the researchers rated them at the start, but said they recovered more quickly.

    All this suggests men were not exaggerating their symptoms and did indeed recover more slowly. It also suggests women feel their symptoms more strongly at the start.

    Why is this happening?

    It’s not straightforward to tease out what’s going on biologically.

    There are differences in immune responses between men and women that provide a plausible reason for worse symptoms in men.

    For instance, women generally produce antibodies more efficiently, so they respond more effectively to vaccination. Other aspects of women’s immune system also appear to work more strongly.

    So why do women tend to have stronger immune responses overall? That’s probably partly because women have two X chromosomes while men have one. X chromosomes carry important immune function genes. This gives women the benefit of immune-related genes from two different chromosomes.

    XX female chromosomes
    X chromosomes carry important immune function genes. Rost9/Shutterstock

    Oestrogen (the female sex hormone) also seems to strengthen the immune response, and as levels vary throughout the lifespan, so does the strength of women’s immune systems.

    Men are certainly more likely to die from some infectious diseases, such as COVID. But the picture is less clear with other infections such as the flu, where the incidence and mortality between men and women varies widely between countries and particular flu subtypes and outbreaks.

    Infection rates and outcomes in men and women can also depend on the way a virus is transmitted, the person’s age, and social and behavioural factors.

    For instance, women seem to be more likely to practice protective behaviours such as washing their hands, wearing masks or avoiding crowded indoor spaces. Women are also more likely to seek medical care when ill.

    So men aren’t faking it?

    Some evidence suggests men are not over-reporting symptoms, and may take longer to clear an infection. So they may experience man flu more harshly than women with a cold.

    So cut the men in your life some slack. If they are sick, gender stereotyping is unhelpful, and may discourage men from seeking medical advice.

    Thea van de Mortel, Professor, Nursing, School of Nursing and Midwifery, Griffith University

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

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  • Habits of a Happy Brain – by Dr. Loretta Graziano Breuning

    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 are lots of books on “happy chemicals” and “how to retrain your brain”, so what makes this one different?

    Firstly, it focuses on four “happy chemicals”, not just one:

    • Serotonin
    • Dopamine
    • Oxytocin
    • Endorphins

    It also looks at the role of cortisol, and how it caps off each of those just a little bit, to keep us just a little malcontent.

    Behavioral psychology tends to focus most on dopamine, while prescription pharmaceuticals for happiness (i.e., most antidepressants) tend to focus on serotonin. Here, Dr. Breuning helps us understand the complex interplay of all of the aforementioned chemicals.

    She also clears up many misconceptions, since a lot of people misattribute the functions of each of these.

    Common examples include “I’m doing this for the serotonin!” when the activity is dopaminergic not serotoninergic, or considering dopamine “the love molecule” when oxytocin, or even something else like phenylethylamine would be more appropriate.

    The above may seem like academic quibbles and not something of practical use, but if we want to biohack our brains, we need to do better than the equivalent of a chef who doesn’t know the difference between salt and sugar.

    Where things are of less practical use, she tends to skip over or at least streamline them. For example, she doesn’t really discuss the role of post-dopamine prolactin in men—but the discussion of post-happiness cortisol covers the same ground anyway, for practical purposes.

    Dr. Breuning also looks at where our evolved neurochemical responses go wrong, and lays out guidelines for such challenges as overcoming addiction, or embracing delayed gratification.

    Bottom line: this book is a great user-manual for the brain. If you’d like to be happier and more effective with fewer bad habits, this is the book for you.

    Click here to check out Habits of a Happy Brain, and get biohacking yours!

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Related Posts

  • In Defense of Food – by Michael Pollan
  • Women’s Strength Training Anatomy Workouts – by Frédéric Delavier

    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.

    We’ve previously reviewed another book of Delavier’s, “Women’s Strength Training Anatomy“, which itself is great. This book adds a lot of practical advice to that one’s more informational format, but to gain full benefit of this one does not require having read that one.

    A common reason that many women avoid strength-training is because they do not want to look muscular. Largely this is based on a faulty assumption, since you will never look like a bodybuilder unless you also eat like a bodybuilder, for example.

    However, for those for whom the concern remains, today’s book is an excellent guide to strength-training with aesthetics in mind as well as functionality.

    The exercises are divided into sections, thus: round your glutes / tone your quadriceps / shape your hamstrings / trim your calves / flatten your abs / curve your shoulders / develop a pain-free upper back / protect your lower back / enhance your chest / firm up your arms.

    As you can see, a lot of these are mindful of aesthetics, but there’s nothing here that’s antithetical to function, and some (especially for example “develop a pain-free upper back” and “protect your lower back“) are very functional indeed.

    Bottom line: Delavier’s anatomy and exercise books are top-tier, and this one is no exception. If you are a woman and would like to strength-train (or perhaps you already do, and would like to refine your training), then this book is an excellent choice.

    Click here to check out Women’s Strength Training Anatomy Workouts, and have the body you want!

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  • What are the most common symptoms of menopause? And which can hormone therapy treat?

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    Despite decades of research, navigating menopause seems to have become harder – with conflicting information on the internet, in the media, and from health care providers and researchers.

    Adding to the uncertainty, a recent series in the Lancet medical journal challenged some beliefs about the symptoms of menopause and which ones menopausal hormone therapy (also known as hormone replacement therapy) can realistically alleviate.

    So what symptoms reliably indicate the start of perimenopause or menopause? And which symptoms can menopause hormone therapy help with? Here’s what the evidence says.

    Remind me, what exactly is menopause?

    Menopause, simply put, is complete loss of female fertility.

    Menopause is traditionally defined as the final menstrual period of a woman (or person female at birth) who previously menstruated. Menopause is diagnosed after 12 months of no further bleeding (unless you’ve had your ovaries removed, which is surgically induced menopause).

    Perimenopause starts when menstrual cycles first vary in length by seven or more days, and ends when there has been no bleeding for 12 months.

    Both perimenopause and menopause are hard to identify if a person has had a hysterectomy but their ovaries remain, or if natural menstruation is suppressed by a treatment (such as hormonal contraception) or a health condition (such as an eating disorder).

    What are the most common symptoms of menopause?

    Our study of the highest quality menopause-care guidelines found the internationally recognised symptoms of the perimenopause and menopause are:

    • hot flushes and night sweats (known as vasomotor symptoms)
    • disturbed sleep
    • musculoskeletal pain
    • decreased sexual function or desire
    • vaginal dryness and irritation
    • mood disturbance (low mood, mood changes or depressive symptoms) but not clinical depression.

    However, none of these symptoms are menopause-specific, meaning they could have other causes.

    In our study of Australian women, 38% of pre-menopausal women, 67% of perimenopausal women and 74% of post-menopausal women aged under 55 experienced hot flushes and/or night sweats.

    But the severity of these symptoms varies greatly. Only 2.8% of pre-menopausal women reported moderate to severely bothersome hot flushes and night sweats symptoms, compared with 17.1% of perimenopausal women and 28.5% of post-menopausal women aged under 55.

    So bothersome hot flushes and night sweats appear a reliable indicator of perimenopause and menopause – but they’re not the only symptoms. Nor are hot flushes and night sweats a western society phenomenon, as has been suggested. Women in Asian countries are similarly affected.

    Woman sits on chair, looking deflated
    You don’t need to have night sweats or hot flushes to be menopausal.
    Maridav/Shutterstock

    Depressive symptoms and anxiety are also often linked to menopause but they’re less menopause-specific than hot flushes and night sweats, as they’re common across the entire adult life span.

    The most robust guidelines do not stipulate women must have hot flushes or night sweats to be considered as having perimenopausal or post-menopausal symptoms. They acknowledge that new mood disturbances may be a primary manifestation of menopausal hormonal changes.

    The extent to which menopausal hormone changes impact memory, concentration and problem solving (frequently talked about as “brain fog”) is uncertain. Some studies suggest perimenopause may impair verbal memory and resolve as women transition through menopause. But strategic thinking and planning (executive brain function) have not been shown to change.

    Who might benefit from hormone therapy?

    The Lancet papers suggest menopause hormone therapy alleviates hot flushes and night sweats, but the likelihood of it improving sleep, mood or “brain fog” is limited to those bothered by vasomotor symptoms (hot flushes and night sweats).

    In contrast, the highest quality clinical guidelines consistently identify both vasomotor symptoms and mood disturbances associated with menopause as reasons for menopause hormone therapy. In other words, you don’t need to have hot flushes or night sweats to be prescribed menopause hormone therapy.

    Often, menopause hormone therapy is prescribed alongside a topical vaginal oestrogen to treat vaginal symptoms (dryness, irritation or urinary frequency).

    Doctor talks to woman
    You don’t need to experience hot flushes and night sweats to take hormone therapy.
    Monkey Business Images/Shutterstock

    However, none of these guidelines recommend menopause hormone therapy for cognitive symptoms often talked about as “brain fog”.

    Despite musculoskeletal pain being the most common menopausal symptom in some populations, the effectiveness of menopause hormone therapy for this specific symptoms still needs to be studied.

    Some guidelines, such as an Australian endorsed guideline, support menopause hormone therapy for the prevention of osteoporosis and fracture, but not for the prevention of any other disease.

    What are the risks?

    The greatest concerns about menopause hormone therapy have been about breast cancer and an increased risk of a deep vein clot which might cause a lung clot.

    Oestrogen-only menopause hormone therapy is consistently considered to cause little or no change in breast cancer risk.

    Oestrogen taken with a progestogen, which is required for women who have not had a hysterectomy, has been associated with a small increase in the risk of breast cancer, although any risk appears to vary according to the type of therapy used, the dose and duration of use.

    Oestrogen taken orally has also been associated with an increased risk of a deep vein clot, although the risk varies according to the formulation used. This risk is avoided by using estrogen patches or gels prescribed at standard doses

    What if I don’t want hormone therapy?

    If you can’t or don’t want to take menopause hormone therapy, there are also effective non-hormonal prescription therapies available for troublesome hot flushes and night sweats.

    In Australia, most of these options are “off-label”, although the new medication fezolinetant has just been approved in Australia for postmenopausal hot flushes and night sweats, and is expected to be available by mid-year. Fezolinetant, taken as a tablet, acts in the brain to stop the chemical neurokinin 3 triggering an inappropriate body heat response (flush and/or sweat).

    Unfortunately, most over-the-counter treatments promoted for menopause are either ineffective or unproven. However, cognitive behaviour therapy and hypnosis may provide symptom relief.

    The Australasian Menopause Society has useful menopause fact sheets and a find-a-doctor page. The Practitioner Toolkit for Managing Menopause is also freely available.The Conversation

    Susan Davis, Chair of Women’s Health, Monash University

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

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  • Making Friends With Your Gut (You Can Thank Us Later)

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    Gut Health 101

    We have so many microorganisms inside us, that by cell count, their cells outnumber ours more than ten-to-one. By gene count, we have 23,000 and they have more than 3,000,000. In effect, we are more microbe than we are human. And, importantly: they form a critical part of what keeps our overall organism ticking on.

    Read all about it: The role of the gut microbiota in nutrition and health

    Our trillions of tiny friends keep us alive, so it really really pays to return the favor.

    But how?

    Probiotics and fermented foods

    You probably guessed this one, but it’d be remiss not to mention it first. It’s no surprise that probiotics help; the clue is in the name. In short, they help add diversity to your microbiome (that’s a good thing).

    Read from the NIH: Probiotics: What You Need To Know

    As for fermented foods, not every fermented food will boost your microbiota, but great options include…

    • Fermented vegetables (sauerkraut, pickles, etc)
      • You’ll often hear kimchi mentioned; that is also pickled vegetables, usually mostly cabbage. It’s just the culinary experience that differs. Unlike sauerkraut, kimchi is usually spiced, for example.
    • Kombucha (a fermented sweet tea)
    • Miso & tempeh (different preparations of fermented soy)

    The health benefits vary based on the individual strains of bacteria involved in the fermentation, so don’t get too caught up on which is best.

    The best one is the one you enjoy, because then you’ll have it regularly!

    Feed them plenty of prebiotic fibers

    Those probiotics you took? The bacteria in them eat the fiber that you can’t digest without them. So, feed them those sorts of fibers.

    Great options include:

    • Bananas
    • Garlic
    • Onions
    • Whole grains

    Read more: Effects of Probiotics, Prebiotics, and Synbiotics on Human Health

    Don’t feed them sugar and sweeteners

    Sugar and (and, counterintuitively, aspartame) can cause unfortunate gut microbe imbalances. Put simply, they kill some of your friends and feed some of your enemies. For example…

    Candida, which we all have in us to some degree, feeds on sugar (including the sugar formed from breaking down alcohol, by the way) and refined carbs. Then it grows, and puts its roots through your intestinal walls, linking with your neural system. Then it makes you crave the very things that will feed it and allow it to put bigger holes in your intestinal walls.

    Do not feed the Candida.

    Don’t believe us? Read: Candida albicans-Induced Epithelial Damage Mediates Translocation through Intestinal Barriers

    (That’s scientist-speak for “Candida puts holes in your intestines, and stuff can then go through those holes”)

    And as for how that comes about, it’s like we said:

    ❝Colonization of the intestine and translocation through the intestinal barrier are fundamental aspects of the processes preceding life-threatening systemic candidiasis. In this review, we discuss the commensal lifestyle of C. albicans in the intestine, the role of morphology for commensalism, the influence of diet, and the interactions with bacteria of the microbiota.❞

    Source: Candida albicans as a commensal and opportunistic pathogen in the intestine

    The usual five things

    1. Good diet (Mediterranean Diet is good; plant-based version of it is by far the best for this)
    2. Good exercise (yes, really)
    3. Good sleep (helps them, and they’ll help you get better sleep in return)
    4. Limit or eliminate alcohol consumption (what a shocker)
    5. Don’t smoke (it’s bad for everything, including gut health)

    One last thing you should know:

    If you’re used to having animal products in your diet, and make a sudden change to all plants, your gut will object very strongly. This is because your gut microbiome is used to animal products, and a plant-based diet will cause many helpful microbes to flourish in great abundance, and many less helpful microbes will starve and die. And they will make it officially Not Fun™ for you.

    So, you have two options to consider:

    1. Do it anyway, and sit it out (and believe us, you’ll be sitting), get the change over with quickly, and enjoy the benefits and much happier gut that follows.
    2. Make the change gradual. Reduce portions of animal products slowly, have “Meatless Mondays” etc, and slowly make the change over. This—for most people—is pretty comfortable, easy, and effective.

    And remember: the effects of these things we’ve talked about today compound when you do more than one of them, but if you don’t want to take probiotics or really hate kombucha or absolutely won’t consider a plant-based diet or struggle to give up sugar or alcohol, etc… Just do what you can do, and you’ll still have a net improvement!

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