Plant vs Animal Protein
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Plant vs Animal Protein: Head to Head
Some people will obviously have strong ideological opinions here—for vegetarians and vegans, it’s no question, and for meat-eaters, it’s easy to be reactive to that and double-down on the bacon. But, we’re a health and productivity newsletter, so we’ll be sticking to the science.
Which is better, healthwise?
First, it depends how you go about it. Consider these options:
- A piece of salmon
- A steak
- A hot dog
- A hot dog, but plant-based
- Textured soy protein (no additives)
- Edamame (young soy) beans
Three animal-based protein sources, three plant-based. We could render the competition simple (but very unfair) by pitting the hotdog against the edamame beans, or the plant-based hot dog against the piece of salmon. So let’s kick this off by saying:
- There are good and bad animal-based protein sources
- There are good and bad plant-based protein sources
Whatever you choose, keep that in mind while you do. Less processed is better in either case. And if you do go for red meat, less is better, period.
Picking the healthiest from each, how do the nutritional profiles look?
They look good in both cases! One factor of importance is that in either case, our bodies will reduce the proteins we consume to their constituent amino acids, and then rebuild them into the specific proteins we actually need. Our bodies will do that regardless of the source, because we are neither a salmon nor a soy bean, for example.
We need 20 specific amino acids, for our bodies to make the proteins we will use in our bodies. Of these, 9 are considered “essential”, meaning we cannot synthesize them and must get them from our diet,
Animal protein sources contain all 9 of those. Plant based sources often don’t, individually, but by eating soy for example (which does contain them all) and/or getting multiple sources of protein from different plants, the 9 can be covered quite easily with little thought, just by having a varied diet.
Meats are #1!
- They’re number 1 for nutritional density
- They’re number 1 for health risks, too
So while plant-based diet adherents may need to consume more varied things to get all the nutrients necessary, meat-eaters won’t have that problem.
Meat-eaters will instead have a different problem, of more diet-related health risks, e.g.
- Cardiovascular disease
- Metabolic disorders
- Cancers
So again, if eating (especially processed and/or red) meat, moderation is good. The Mediterranean Diet that we so often recommend, by default contains small amounts of lean animal protein.
Which is better for building muscle?
Assuming a broadly healthy balanced diet, and getting sufficient protein from your chosen source, they’re pretty equal:
- Vegan and Omnivorous High Protein Diets Support Comparable Daily Myofibrillar Protein Synthesis Rates and Skeletal Muscle Hypertrophy in Young Adults
- A mycoprotein-based high-protein vegan diet supports equivalent daily myofibrillar protein synthesis rates compared with an isonitrogenous omnivorous diet in older adults: a randomised controlled trial
(both studies showed that both dietary approaches yielded results that showed no difference in muscle synthesis between the two)
The bottom line is…
Healthwise, what’s more important than whether you get your protein from animals or plants is that you eat foods that aren’t processed, and are varied.
And if you want to do a suped-up Mediterranean Diet with less red meat, you might want to try:
A Pesco-Mediterranean Diet With Intermittent Fasting: JACC Review Topic of the Week
^This is from a review in the Journal of the American College of Cardiology, and in few words, they recommend it very highly
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The Sucralose News: Scaremongering Or Serious?
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What’s the news on sucralose?
These past days the press has been abuzz with frightening tales:
- This Common Artificial Sweetener Can Break Down DNA, Scientists Warn
- Sucralose Damages DNA, Linked to Leaky Gut
- Chemical found in common sweetener damages DNA
- Chemical found in widely used sweetener breaks up DNA
- Chemical from Splenda breaks up DNA
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:
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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The Best Mobility Exercises For Each Joint
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Stiff joints and tight muscles limit movement, performance, and daily activities. They also increase the risk of injury, and increase recovery time if the injury happens. So, it’s pretty important to take care of that!
Here’s how
Key to joint health involves understanding mobility, flexibility, and stability:
- Mobility: active joint movement through a range of motion.
- Flexibility: muscle lengthening passively through a range of motion.
- Stability: body’s ability to return to position after disturbance.
Different body parts have different needs when it comes to prioritizing mobility, flexibility, and stability exercises. So, with that in mind, here’s what to do for your…
- Wrists: flexibility and stability (e.g., wrist circles, loaded flexions/extensions).
- Elbows: Stability is key; exercises like wrist and shoulder movements benefit elbows indirectly.
- Shoulders: mobility and stability; exercises include prone arm circles, passive hangs, active prone raises, easy bridges, and stick-supported movements.
- Spine: mobility and stability; recommended exercises include cat-cow and quadruped reach.
- Hips: mobility and flexibility through deep squat hip rotations; beginners can use hands for support.
- Knees: stability; exercises include elevated pistols, Bulgarian split squats, lunges, and single-leg balancing.
- Ankles: flexibility and stability; exercises include lunges, prying goblet squats, and deep squats with support if necessary.
For more on all of these, plus visual demonstrations, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
Building & Maintaining Mobility
Take care!
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The Vagina Bible – by Dr. Jen Gunter
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The vagina is mysterious to most men, and honestly, also to a lot of women. School education on this is minimal, if even extant, and as an adult, everyone’s expected to “just know” stuff. However, here in reality, that isn’t how knowledge works.
To remedy this, gynecologist Dr. Jen Gunter takes 432 pages to give us the low-down and the ins-and-outs of this remarkable organ that affects, and is affected by, a lot of the rest of our health.
(On which note, if you think you already know it, ask yourself: could you write 432 pages about it? If not, you’ll probably still learn some things from this book)
Stylistically, this book is more of a textbook in presentation, but the writing is still very much easy-reading. The focus is mostly on anatomy and physiology, though she does give due attention to relevant healthcare options; what’s good, what’s bad, and what’s just plain unnecessary. In such cases, she always has plenty of science to hand; it’s never just “one woman’s opinion”.
If the book has a downside, it’s that (based on other reviews) it seems to upset some readers with unwelcome truths, but that’s more in the vein of “she’s right, of course, but I didn’t like reading it”.
Bottom line: if you have a vagina, or spend any amount of time in close proximity to one, then this is a great book for you.
Click here to check out The Vagina Bible, and upgrade your knowledge!
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Which Style Of Yoga Is Best For You?
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For you personally, that is—so let’s look at some options, their benefits, and what kind of person is most likely to benefit from each.
Yoga is, of course, an ancient practice, and like any ancient practice, especially one with so many practitioners (and thus also: so many teachers), there are very many branches to the tree of variations, that is to say, different schools and their offshoots.
Since we cannot possibly cover all of them, we’ll focus on five broad types that are popular (and thus, likely available near to you, unless you live in a very remote place):
Hatha Yoga
This is really the broadest of umbrella categories for yoga as a physical practice of the kind that most immediately comes to mind in the west:
- Purpose: energizes the practitioner through controlled postures and breath.
- Practice: non-heated, slow asanas held for about a minute with intentional transitions
- Benefits: reduces stress, improves flexibility, tones muscles, and boosts circulation.
- Best for: beginners with an active lifestyle.
Vinyasa Yoga
You may also have heard of this called simply “Flow”, without reference to the Mihaly Csikszentmihalyi sense of the word. Rather, it is about a flowing practice:
- Purpose: builds heat and strength through continuous, flowing movement paired with breath.
- Practice: dynamic sequences of the same general kind as the sun salutation, leading to a final resting pose.
- Benefits: enhances heart health, strengthens core, tones muscles, and improves flexibility.
- Best for: beginner to intermediate yogis seeking a cardio-based practice.
Hot Yoga
This one’s well-known and the clue is in the name; it’s yoga practised in a very hot room:
- Purpose: uses heat to increase heart rate, and loosen muscles.
- Practice: heated studio (32–42℃, which is 90–108℉), often with vinyasa flows, resulting in heavy sweating*
- Benefits: burns calories, improves mood, enhances skin, and builds bone density.
- Best for: intermediate yogis comfortable with heat; not recommended for certain health conditions.
*and also sometimes heat exhaustion / heat stroke. This problem arises most readily when the ambient temperature is higher than human body temperature, because that is the point at which sweating ceases to fulfil its biological function of cooling us down.
Noteworthily, a study found that doing the same series of yoga postures in the same manner, but without the heat, produced the same health benefits without the risk:
❝The primary finding from this investigation is that the hatha yoga postures in the Bikram yoga series produce similar enhancements in endothelium-dependent vasodilatation in healthy, middle-aged adults regardless of environmental temperature. These findings highlight the efficacy of yoga postures in producing improvements in vascular health and downplay the necessity of the heated practice environment in inducing vascular adaptations.❞
(“Bikram yoga” is simply the brand name of a particular school of hot yoga)
Yin Yoga
This is a Chinese variation, and is in some ways the opposite of the more vigorous forms, being gentler in pretty much all ways:
- Purpose: promotes deep tissue stretching and circulation by keeping muscles cool.
- Practice: passive, floor-based asanas held for 5–20 minutes in a calming environment.
- Benefits: increases flexibility, enhances circulation, improves mindfulness, and emotional release.
- Best for: all levels, regardless of health or flexibility.
Restorative Yoga
This is often tailored to a specific condition, but it doesn’t have to be:
- Purpose: encourages relaxation and healing through supported, restful poses.
- Practice: reclined, prop-supported postures in a soothing, low-lit setting.
- Benefits: relieves stress, reduces chronic pain, calms the nervous system, and supports healing.
- Best for: those recovering from illness/injury or managing emotional stress.
See for example: Yoga Therapy for Arthritis: A Whole-Person Approach to Movement and Lifestyle
Want to know more?
If you’re still unsure where to start, check out:
Yoga Teacher: “If I wanted to get flexible (from scratch) in 2025, here’s what I’d do”
Take care!
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Why Has Nobody Told Me This Before? – by Dr. Julie Smith
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Superficially, this can be called a “self-help” book, but that undersells it rather. It’s a professionally-written (as in, by a professional psychologist) handbook full of resources. Its goal? Optimizing your mental health to help you stay resilient no matter what life throws your way.
While the marketing of this book is heavily centered around Dr. Smith’s Internet Celebrity™ status, a lot of her motivation for writing it seems to be precisely so that she can delve deeper into the ideas that her social media “bites” don’t allow room for.
Many authors of this genre pad their chapters with examples; there are no lengthy story-telling asides here, and her style doesn’t need them. She knows her field well, and knows well how to communicate the ideas that may benefit the reader.
The main “meat” of the book? Tips, tricks, guides, resources, systems, flowcharts, mental frameworks, and “if all else fails, do this” guidance. The style of the book is clear and simple, with very readable content that she keeps free from jargon without “dumbing down” or patronizing the reader.
All in all, a fine set of tools for anyone’s “getting through life” toolbox.
Get Your Personal Copy Of “Why Has Nobody Told Me This Before?” on Amazon Now!
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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:
- Burns more calories than other forms of exercise
- Boosts your metabolic rate for hours afterwards
- …which means it actually works* for fat loss
- Reduces blood pressure (unless already healthy)
- Can promote muscle growth (depends on other factors)
*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❞
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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