How To Do HIIT (Without Wrecking Your Body)

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How To Do HIIT (Without Wrecking Your Body)

High-Intensity Interval Training, henceforth “HIIT”, is a well-researched and well-evidenced approach to exercise that gives powerful health benefits.

Specifically, health benefits that we don’t get from moderate exercise (as important as that is too) or endurance training.

Super-quick overview of the benefits first:

*remember that most forms of exercise aren’t very good for fat loss, because our metabolism will slow afterwards to compensate. So HIIT flipping this one is quite a big deal.

What actually is it?

HIIT means exercise sessions in which one alternates between high intensity “maximum effort” bursts, and short recovery periods during which more moderate exercise is performed.

An example for runners could be switching between sprinting or jogging, changing mode each time one passes a street light.

❝A total of only two minutes of sprint interval exercise was sufficient to elicit similar responses as 30 minutes of continuous moderate intensity aerobic exercise❞

~ Trewin et al. (2018)

Read more: Acute HIIT elicits similar changes in human skeletal muscle mitochondrial H₂O₂ release, respiration, and cell signaling as endurance exercise even with less work

What did you mean about not wrecking your body? Is that… Likely?

Hopefully not, but it’s a barrier to some! We are not all twenty-something college athletes, after all, and our bodies aren’t always as durable as they used to be.

HIIT relies on intense exercise and short recovery periods, but what if our bodies are not accustomed to intense exercise, and need longer recovery periods? Can we still get the same benefits?

The trick is not to change the intensity or the recovery periods, but the exercise itself.

For HIIT to work the “intense” part has to be best-effort or approaching such. That part’s not negotiable. The recovery periods can be stretched a bit if you need to, but with the right tweaks, you ideally won’t have to do that.

Great! How?

First, note that you can do resistance interval training without impact. For example, if you crank up the resistance on an exercise bike or similar machine, you will be doing resistance training along with your cardio, and you’ll be doing it without the impact on your joints that you would if out pounding the pavement on foot.

(Running is fine if your body is used to it, but please don’t make HIIT your first running exercise in a decade)

Second, consider your environment. That exercise bike? You can get off it any time and you’re already at home (or perhaps your gym, with your car outside). Not so if you took up mountain biking or road racing.

Third, go for what is gentle in motion, even if it’s not resistance work per se. Swimming is a fabulous option for most people, and can absolutely be done with HIIT principles. Since vision is often obscured while swimming, counting strokes can be a good way to do HIIT. For example, ten strokes max effort, ten strokes normal, repeat. Do make sure you are aware of where the end of the pool is, though!

Fourth, make it fun! Ok, this one’s not about the safety quite so much, but it is about sustainability, and that’s critical for practical purposes too. You will only continue an exercise routine that you enjoy, after all.

  • Could you curate a musical playlist that shifts tempo to cue your exercise mode intervals?
  • Could you train with an exercise partner? Extra fun if this has a “relay race” feel to it, i.e. when one person completes a high intensity interval, the other person must now begin theirs.

Need some pointers getting started?

There are a lot of HIIT apps out there, so you can just search for that on your device of choice.

But!

We at 10almonds have recommended 7-Minute Workout before, which is available for iOS and for Android, and we stand by that as a great starting choice.

Enjoy!

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  • The Medicinal Chef – by Dale Pinnock

    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 philosophy here is very much like our own—to borrow from Hippocrates: “let food be thy medicine”. Obviously please do also let medicine be thy medicine if you need it, but the point is that food is a very good starting place for combatting a lot of disease.

    To this end, instead of labelling the recipes with such things as “V”, “Ve”, “GF” and suchlike, it assumes we can tell those things from the ingredients lists, and instead labels things per what they are especially good for:

    • S: skin
    • J: joints & bones
    • R: respiratory system
    • I: immune system
    • M: metabolic health
    • N: nervous system and mental health
    • H: heart and circulation
    • D: digestive system
    • U: reproductive & urinary systems

    As for the recipes themselves… They’re a lot like the recipes we share here at 10almonds in their healthiness, skill level, and balance of easy-to-find ingredients with the occasional “order it online” items that punch above their weight. In fact, we’ll probably modify some of the recipes for sharing here.

    Bottom line: if you’re looking for genuinely healthy recipes that are neither too basic nor too arcane, this book has about 80 of them.

    Click here to check out The Medicinal Chef: Healthy Every Day, and be healthy every day!

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  • Mediterranean Diet… In A Pill?

    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.

    Does It Come In A Pill?

    For any as yet unfamiliar with the Mediterranean diet, you may be wondering what it involves, beyond a general expectation that it’s a diet popularly enjoyed in the Mediterranean. What image comes to mind?

    We’re willing to bet that tomatoes feature (great source of lycopene, by the way, and if you’re not getting lycopene, you’re missing out), but what else?

    • Salads, perhaps? Vegetables, olives? Olive oil, yea or nay?
    • Bread? Pasta? Prosciutto, salami? Cheese?
    • Pizza but only if it’s Romana style, not Chicago?
    • Pan-seared liver, with some fava beans and a nice Chianti?

    In fact, the Mediterranean diet is quite clear on all these questions, so to read about these and more (including a “this yes, that no” list), see:

    What Is The Mediterranean Diet, And What Is It Good For?

    So, how do we get that in a pill?

    A plucky band of researchers, Dr. Chiara de Lucia et al. (quite a lot of “et al.”; nine listed authors on the study), wondered to what extent the benefits of the Mediterranean diet come from the fact that the Mediterranean diet is very rich in polyphenols, and set about testing that, by putting the same polyphenols in capsule form, and running a randomized, double-blind, placebo-controlled, crossover clinical intervention trial.

    Now, polyphenols are not the only reason the Mediterranean diet is great; there are also other considerations, such as:

    • a great macronutrient balance with lots of fiber, healthy fats, moderate carbs, and protein from select sources
    • the absence or at least very low presence of a lot of harmful substances such as refined seed oils, added sugars, refined carbohydrates, and the like (“but pasta” yes pasta; in moderation and wholegrain and served with extra sources of fiber and healthy fats, all of which slow down the absorption of the carbs)

    …but polyphenols are admittedly very important too; we wrote about some common aspects of them here:

    Tasty Polyphenols: Enjoy Bitter Foods For Your Heart & Brain

    As for what Dr. de Lucia et al. put into the capsule, behold…

    The ingredients:

    1. Apple Extract 10.0%
    2. Pomegranate Extract 10.0%
    3. Tomato Powder 2.5%
    4. Beet, Spray Dried 2.5%
    5. Olive Extract 7.5%
    6. Rosemary Extract 7.5%
    7. Green Coffee Bean Extract (CA) 7.5%
    8. Kale, Freeze Dried 2.5%
    9. Onion Extract 10.0%
    10. Ginger Extract 10.0%
    11. Grapefruit Extract 2.5%
    12. Carrot, Air Dried 2.5%
    13. Grape Skin Extract 17.5%
    14. Blueberry Extract 2.5%
    15. Currant, Freeze Dried 2.5%
    16. Elderberry, Freeze Dried 2.5%

    And the relevant phytochemicals they contain:

    • Quercetin
    • Luteolin
    • Catechins
    • Punicalagins
    • Phloretin
    • Ellagic Acid
    • Naringin
    • Apigenin
    • Isorhamnetin
    • Chlorogenic Acids
    • Rosmarinic Acid
    • Anthocyanins
    • Kaempferol
    • Proanthocyanidins
    • Myricetin
    • Betanin

    And what, you may wonder, did they find? Well, first let’s briefly summarise the setup of the study:

    They took volunteers (n=30), average age 67, BMI >25, without serious health complaints, not taking other supplements, not vegetarian or vegan, not consuming >5 cups of coffee per day, and various other stipulations like that, to create a fairly homogenous study group who were expected to respond well to the intervention. In contrast, someone who takes antioxidant supplements, already eats many different color plants per day, and drinks 10 cups of coffee, probably already has a lot of antioxidant activity going on, and someone with a lower BMI will generally have lower resting levels of inflammatory markers, so it’s harder to see a change, proportionally.

    About those inflammatory markers: that’s what they were testing, to see whether the intervention “worked”; essentially, did the levels of inflammatory markers go up or down (up is bad; down is good).

    For more on inflammation, by the way, see:

    How to Prevent (or Reduce) Inflammation

    …which also explains what it actually is, and some important nuances about it.

    Back to the study…

    They gave half the participants the supplement for a week and the other half placebo; had a week’s gap as a “washout”, then repeated it, switching the groups, taking blood samples before and after each stage.

    What they found:

    The group taking the supplement had lower inflammatory markers after a week of taking it, while the group taking the placebo had relatively higher inflammatory markers after a week of taking it; this trend was preserved across both groups (i.e., when they switched roles for the second half).

    The results were very significant (p=0.01 or thereabouts), and yet at the same time, quite modest (i.e. the supplement made a very reliable, very small difference), probably because of the small dose (150mg) and small intervention period (1 week).

    What the researchers concluded from this

    The researchers concluded that this was a success; the study had been primarily to provide proof of principle, not to rock the world. Now they want the experiment to be repeated with larger sample sizes, greater heterogeneity, larger doses, and longer intervention periods.

    This is all very reasonable and good science.

    Read in full: A Randomised, Double-Blind, Placebo-Controlled, Cross-Over Clinical Trial to Evaluate the Biological Effects and Safety of a Polyphenol Supplement on Healthy Ageing

    What we conclude from this

    That ingredients list makes for a good shopping list!

    Well, not the extracts they listed, necessarily, but rather those actual fruits, vegetables, etc.

    If nine top scientists (anti-aging specialists, neurobiologists, pharmacologists, and at least one professor of applied statistics) came to the conclusion that to get the absolute most bang-for-buck possible, those are the plants to get the phytochemicals from, then we’re not going to ignore that.

    So, take another list above and ask yourself: how many of those 16 foods do you eat regularly, and could you work the others in?

    Want to make your Mediterranean diet even better?

    While the Mediterranean diet is a top-tier catch-all, it can be tweaked for specific areas of health, for example giving it an extra focus on heart health, or brain health, or being anti-inflammatory, or being especially gut healthy:

    Four Ways To Upgrade The Mediterranean

    Enjoy!

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  • Activate Your Brain – by Scott G. Halford

    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 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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  • Moringa Oleifera Against CVD, Diabetes, Alzheimer’s & Arsenic?

    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 Healthiest Drumstick

    Moringa oleifera is a tree, whose leaves and pods have medicinal properties (as well as simply being very high in nutrients). It’s also called the drumstick tree in English, but equally often it’s referred to simply as Moringa. It has enjoyed use in traditional medicine for thousands of years, and its many benefits have caught scientists’ attention more recently. For an overview before we begin, see:

    Medicinal utilization and nutritional properties of drumstick (Moringa oleifera)—A comprehensive review

    Now, let’s break it down…

    Anti-inflammatory

    It is full of antioxidants, which we’ll come to shortly, and they have abundant anti-inflammatory effects. Research into these so far has mostly beennon-human animal studies or else in vitro, hence the guarded “potential” for now:

    Potential anti-inflammatory phenolic glycosides from the medicinal plant Moringa oleifera fruits

    Speaking of potential though, it has been found to also reduce neuroinflammation specifically, which is good, because not every anti-inflammatory agent does that:

    In silico and pharmacokinetic studies of glucomoringin from Moringa oleifera root for Alzheimer’s disease like pathology

    Antioxidant

    It was hard to find studies that talked about its antioxidant powers that didn’t also add “and this, and this, and this” because of all its knock-on benefits, for example:

    ❝The results indicate that this plant possesses antioxidant, hypolipidaemic and antiatherosclerotic activities and has therapeutic potential for the prevention of cardiovascular diseases.

    These effects were at degrees comparable to those of simvastatin.❞

    ~ Dr. Pilaipark Chumark et al.

    Source: The in vitro and ex vivo antioxidant properties, hypolipidaemic and antiatherosclerotic activities of water extract of Moringa oleifera Lam. leaves

    Likely a lot of its benefits in these regards come from the plant’s very high quercetin content, because quercetin does that too:

    Quercetin reduces blood pressure in hypertensive subjects

    For more about quercetin, you might like our previous main feature:

    Fight Inflammation & Protect Your Brain, With Quercetin

    Antidiabetic

    It also has been found to lower fasting blood sugar levels by 13.5%:

    Effect of supplementation of drumstick (Moringa oleifera) and amaranth (Amaranthus tricolor) leaves powder on antioxidant profile and oxidative status among postmenopausal women

    Anti-arsenic?

    We put a question mark there, because studies into this have only been done with non-human animals such as mice and rats so far, largely because there are not many human volunteers willing to sign up for arsenic poisoning (and no ethics board would pass it anyway).

    However, as arsenic contamination in some foods (such as rice) is a big concern, this is very promising. Here are some example studies, with mice and rats respectively:

    Is it safe?

    A popular food product through parts of Africa and (especially) South & West Asia, it has a very good safety profile. Generally the only health-related criticism of it is that it contains some anti-nutrients (that hinder bioavailability of its nutrients), but the nutrients outweigh the antinutrients sufficiently to render this a trifling trivium.

    In short: as ever, do check with your doctor/pharmacist to be sure, but in general terms, this is about as safe as most vegan whole foods; it just happens to also be something of a superfood, which puts it into the “nutraceutical” category. See also:

    Review of the Safety and Efficacy of Moringa oleifera

    Want to try some?

    We don’t sell it, but here for your convenience is an example product on Amazon 😎

    Enjoy!

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    Learn to Age Gracefully

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  • Stop Overthinking – by Nick Trenton

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    This book is exactly what it says on the tin. We are given twenty-three techniques to relieve stress, stop negative spirals, declutter your mind, and focus on the present, in the calm pursuit of good mental health and productivity.

    The techniques are things like the RAIN technique above, so if you liked that, you’ll love this. Being a book rather than a newsletter, it also takes the liberty of going into much more detail—hence the 200 pages for 23 techniques. Unlike many books, it’s not packed in fluff either. It’s that perfect combination of “to the point” and “very readable”.

    If you’ve read this far into the review and you’re of two minds about whether or not this book could be useful to you, then you just might be overthinking it

    Check Out “Stop Overthinking” On Amazon Now!

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  • Artichoke vs Brussels Sprouts – Which is Healthier?

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    Our Verdict

    When comparing artichoke to Brussels sprouts, we picked the sprouts.

    Why?

    Finally, a vegetable that beats artichoke—after it previously beat heart-of-palm, asparagus, and even cabbage! It was still close though, which is impressive for artichoke, considering what a nutritional powerhouse Brussels sprouts are:

    In terms of macros, the only meaningful difference is that artichoke has slightly more carbs and fiber, so artichoke gets the most marginal of nominal wins in this category.

    In the category of vitamins, however, artichoke has more of vitamins B3, B9, and choline, while Brussels sprouts have more of vitamins A, B1, B2, B6, C, E, and K, giving sprouts the clear victory here, especially with much higher margins of difference (e.g. 58x more vitamin A, as well as 7x more vitamin C, and 10x more vitamin K).

    When it comes to minerals, artichoke has more copper, magnesium, phosphorus, and zinc, while Brussels sprouts have more iron, manganese, potassium, and selenium, resulting in a 4:4 tie, and the small margins of difference are mostly comparable, with the exception that sprouts have 8x more selenium. So, Brussels sprouts win this category very marginally on that tie-breaker.

    Adding up the sections we see that macros and minerals gave a small win each to artichoke and sprouts respectively, while the vitamins category was an overwhelming win for sprouts, so—with this deciding factor in mind—sprouts win the day today.

    Want to learn more?

    You might like to read:

    Sprout Your Seeds, Grains, Beans, Etc

    Enjoy!

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