Walnuts vs Cashews – Which is Healthier?
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Our Verdict
When comparing walnuts to cashews, we picked the walnuts.
Why?
It was close! In terms of macros, walnuts have about 2x the fiber, while cashews have slightly more protein. In the specific category of fats, walnuts have more fat. Looking further into it: walnuts’ fats are mostly polyunsaturated, while cashews’ fats are mostly monounsaturated, both of which are considered healthy.
Notwithstanding being both high in calories, neither nut is associated with weight gain—largely because of their low glycemic indices (of which, walnuts enjoy the slightly lower GI, but both are low-GI foods)
When it comes to vitamins, walnuts have more of vitamins A, B2, B3 B6, B9, and C, while cashews have more of vitamins B1, B5, E, and K. Because of the variation in their respective margins of difference, this is at best a moderate victory for walnuts, though.
In the category of minerals, cashews get their day, as walnuts have more calcium and manganese, while cashews have more copper, iron, magnesium, phosphorus, potassium, selenium, and zinc.
In short: unless you’re allergic, we recommend enjoying both of these nuts (and others) for a full range of benefits. However, if you’re going to pick one, walnuts win the day.
Want to learn more?
You might like to read:
Why You Should Diversify Your Nuts
Take care!
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What To Eat, Take, And Do Before A Workout
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What to eat, take, and do before a workout
We’ve previously written about how to recover quickly after a workout:
Overdone It? How To Speed Up Recovery After Exercise
Today we’ll look at the flipside: how to prepare for exercise.
Pre-workout nutrition
As per what we wrote (and referenced) above, a good dictum is “protein whenever; carbs after”. See also:
Pre- versus post-exercise protein intake has similar effects on muscular adaptations
It’s recommended to have a light, balanced meal a few hours before exercising, though there are nuances:
International society of sports nutrition position stand: nutrient timing
Hydration
You will not perform well unless you are well-hydrated:
Influence of Dehydration on Intermittent Sprint Performance
However, you also don’t want to just be sloshing around when exercising because you took care to get in your two litres before hitting the gym.
For this reason, quality can be more important than quantity, and sodium and other electrolytes can be important and useful, but will not be so for everyone in all circumstances.
Here’s what we wrote previously about that:
Are Electrolyte Supplements Worth It?
Pre-workout supplements
We previously wrote about the use of creatine specifically:
Creatine: Very Different For Young & Old People
Caffeine is also a surprisingly effective pre-workout supplement:
International society of sports nutrition position stand: caffeine and exercise performance
Depending on the rate at which you metabolize caffeine (there are genes for this), the effects will come/go earlier/later, but as a general rule of thumb, caffeine should work within about 20 minutes, and will peak in effect 1–2 hours after consumption:
Nutrition Supplements to Stimulate Lipolysis: A Review in Relation to Endurance Exercise Capacity
Branched Chain Amino Acids, or BCAAs, are commonly enjoyed as pre-workout supplement to help reduce creatine kinase and muscle soreness, but won’t accelerate recovery:
…but will help boost muscle-growth (or maintenance, depending on your exercise and diet) in the long run:
Where can I get those?
We don’t sell them, but here’s an example product on Amazon, for your convenience
There are also many multi-nutrient pre-workout supplements on the market (like the secondary product offered with the BCAA above). We’d need a lot more room to go into all of those (maybe we’ll include some in our Monday Research Review editions), but meanwhile, here’s some further reading:
The 11 Best Pre-Workout Supplements According to a Dietitian
(it’s more of a “we ranked these commercial products” article than a science article, but it’s a good starting place for understanding about what’s on offer)
Enjoy!
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The Dopamine Precursor And More
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What Is This Supplement “NALT”?
N-Acetyl L-Tyrosine (NALT) is a form of tyrosine, an amino acid that the body uses to build other things. What other things, you ask?
Well, like most amino acids, it can be used to make proteins. But most importantly and excitingly, the body uses it to make a collection of neurotransmitters—including dopamine and norepinephrine!
- Dopamine you’ll probably remember as “the reward chemical” or perhaps “the motivation molecule”
- Norepinephrine, also called noradrenaline, is what powers us up when we need a burst of energy.
Both of these things tend to get depleted under stressful conditions, and sometimes the body can need a bit of help replenishing them.
What does the science say?
This is Research Review Monday, after all, so let’s review some research! We’re going to dive into what we think is a very illustrative study:
A 2015 team of researchers wanted to know whether tyrosine (in the form of NALT) could be used as a cognitive enhancer to give a boost in adverse situations (times of stress, for example).
They noted:
❝The potential of using tyrosine supplementation to treat clinical disorders seems limited and its benefits are likely determined by the presence and extent of impaired neurotransmitter function and synthesis.❞
More on this later, but first, the positive that they also found:
❝In contrast, tyrosine does seem to effectively enhance cognitive performance, particularly in short-term stressful and/or cognitively demanding situations. We conclude that tyrosine is an effective enhancer of cognition, but only when neurotransmitter function is intact and dopamine and/or norepinephrine is temporarily depleted❞
That “but only”, is actually good too, by the way!
You do not want too much dopamine (that could cause addiction and/or psychosis) or too much norepinephrine (that could cause hypertension and/or heart attacks). You want just the right amount!
So it’s good that NALT says “hey, if you need some more, it’s here, if not, no worries, I’m not going to overload you with this”.
Read the study: Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands
About that limitation…
Remember they said that it seemed unlikely to help in treating clinical disorders with impaired neurotransmitter function and/or synthesis?
Imagine that you employ a chef in a restaurant, and they can’t keep up with the demand, and consequently some of the diners aren’t getting fed. Can you fix this by supplying the chef with more ingredients?
Well, yes, if and only if the problem is “the chef wasn’t given enough ingredients”. If the problem is that the oven (or the chef’s wrist) is broken, more ingredients aren’t going to help at all—something different is needed in those cases.
So it is with, for example, many cases of depression.
See for example: Tyrosine for depression: a double-blind trial
About blood pressure…
You may be wondering, “if NALT is a precursor of norepinephrine, a vasoconstrictor, will this increase my blood pressure adversely?”
Well, check with your doctor as your own situation may vary, but under normal circumstances, no. The effect of NALT is adaptogenic, meaning that it can help keep its relevant neurotransmitters at healthy levels—not too low or high.
See what we mean, for example in this study where it actually helped keep blood pressure down while improving cognitive performance under stress:
Effect of tyrosine on cognitive function and blood pressure under stress
Bottom line:
For most people, NALT is a safe and helpful way to help keep healthy levels of dopamine and norepinephrine during times of stress, giving cognitive benefits along the way.
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Walk Like You’re 20 Years Younger Again
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How fit, healthy, strong, and mobile were you 20 years ago? For most people, the answer is “better than now”. Physiotherapist Dr. Doug Weiss has advice on turning back the clock:
The exercises
If you already have no problems walking, this one is probably not for you. However, if you’re not so able to comfortably walk as you used to be, then Dr. Weiss recommends:
- Pillow squat: putting pillow on a chair, crossing hands on chest, standing up and sitting down. Similar to the very important “getting up off the floor without using your hands” exercise, but easier.
- Wall leaning: standing against a wall with heels 4″ away from it, crossing arms over chest again, and pulling the body off the wall using the muscles in the front of the shin. Note, this means not cheating by using other muscles, leveraging the upper body, pushing off with the buttocks, or anything else like that.
- Stepping forward: well, this certainly is making good on the promise of walking like we did 20 years ago; there sure was a lot of stepping forward involved. More seriously, this is actually about stepping over some object, first with support, and then without.
- Heel raise: is what it sounds like, raising up on toes and back down again; first with support, then without.
- Side stepping: step sideways 2–3 steps in each direction. First with support, then without. Bonus: if your support is your partner, then congratulations, you are now dancing bachata.
For more details (and visual demonstration) of these exercises and more, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like:
4 Tips To Stand Without Using Hands
Take care!
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The New Menopause – by Dr. Mary Claire Haver
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The author is most famous for “The Galveston Diet”, which book is astonishingly similar in its content, chapters, format, etc to Nikki Williams’ “It’s Not You, It’s Your Hormones” which came out a few years previously but didn’t get the same marketing.
Nonetheless, this time Dr. Haver has something new to add, and we think it’s worth a read.
The general theme of this book is a comprehensive overview of the menopause, experientially (subjective to the person going through it) and empirically (by science), from start to finish and beyond. This book’s more about human physiology, and less about diet than the previous.
Dr. Haver also discusses in-depth how estrogen is thought of as a sex hormone (and it is), to the point that people consider it perhaps expendable, and forget (or are simply unaware) that we have estrogen receptors throughout our bodies and estrogen is vital for maintaining many other bodily functions, including your heart, cognitive function, bone integrity, blood sugar balance, and more.
(in case you’re wondering “why don’t men fall to bits, then?”, don’t worry, their testosterone does these things for them. Testosterone is orders of magnitude less potent than estrogen, mg for mg, so they need a lot more of it, but under good conditions they produce plenty so it’s fine)
But, the amount of testosterone available to peri/postmenopausal women is simply not enough to do that job (and it’d also result in a transition of secondary sex characteristics, which for most people would be very unwanted), so, something else needs to be done.
Dr. Haver also discusses in detail the benefits and risks of HRT and how to get/manage them, respectively, with the latest up-to-date research (at time of going to print; the book was published in April 2024).
Bottom line: if you want to know what’s going on with your peri- or post-menopausal body and how it could be better (or if you want to know what’s going on with someone else approaching/experiencing menopause), then this is a top-tier book.
Click here to check out The New Menopause, and know what’s going on and what to do about it!
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Statin and Antidepressant Side Effects
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Questions and Answers at 10almonds
Have a question or a request? You can always hit “reply” to any of our emails, or use the feedback widget at the bottom!
This newsletter has been growing a lot lately, and so have the questions/requests, and we love that! In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small
Side effects of statins, are they worth it? Depression, are antidepressants worth it?
About statins, that depends a lot on you, your circumstances, and—as it happens—your gender. We covered this in a main feature recently, but a short answer is: for most people, they may not be the best first choice, and could even make things worse. For some people, however, they really are just what’s needed.
- Factors that make them more likely better for you: being a man, or having atherosclerosis
- Factors that make them more likely worse for you: being a woman in general
Check out the main feature we did: Statins: His & Hers?
As for antidepressants? That depends a lot on you, your physiology, your depression, your circumstances, and more. We’ll definitely do a main feature on that sometime soon, as there’s a lot that most people don’t know!
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Dried Apricots vs Dried Prunes – Which is Healthier?
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Our Verdict
When comparing dried apricots to dried prunes, we picked the prunes.
Why?
First, let’s talk hydration. We’ve described both of these as “dried”, but prunes are by default dried plums, usually partially rehydrated. So, for fairness, on the other side of things we’re also looking at dried apricots, partially rehydrated. Otherwise, it would look (mass for mass or volume for volume) like one is seriously outstripping the other even if some metric were actually equal, just because of water-weight in one and not the other.
Illustrative example: consider, for example, that the sugar in a bunch of grapes or a handful of raisins can be the same, not because they magically got more sugary, but because the water was dried out, so per mass and per volume, there’s more sugar, proportionally.
Back to dried apricots and dried prunes…
You’ll often see these two next to each other in the heath food store, which is why we’re comparing them here.
Of course, if it is practical, please by all means enjoy fresh apricots and fresh plums. But we know that life is not always convenient, fruits are not in season growing in abundance in our gardens all year round, and sometimes we’re stood in the aisle of a grocery store, weighing up the dried fruit options.
- Apricots are well-known for their zinc, potassium, and vitamin A.
- Prunes are well-known for their fiber.
But that’s not the whole story…
- Apricots outperform prunes for vitamin A, and also vitamins C and E.
- Prunes take first place for vitamins B1, B2, B3, B5, B6, and K, and also for minerals calcium, copper, iron, magnesium, manganese, phosphorus, potassium, sodium, and zinc.
- Prunes also have about 3x the fiber, which at the very least offsets the fact that they have 3x the sugar.
Once again, sugar in fruit is healthy (sugar in fruit juices is not*, though, so enjoy prunes rather than just prune juice, if you can) and can take its rightful place as providing a significant portion of our daily energy needs, if we let it.
*It’s the same sugar, just the manner of delivery changes what it does to our liver and our pancreas; see:
Which Sugars Are Healthier, And Which Are Just The Same?
In summary…
Dried apricots are great (fresh are even better), and yet prunes outperform them by most metrics on a like-for-like basis.
Prunes have, on balance, a lot more vitamins and minerals, as well as more fiber and energy.
Want to get some?
Your local supermarket probably has them, and if you prefer having them delivered to your door, then here’s an example product on Amazon
Enjoy!
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