Sweet Potato vs Cassava – Which is Healthier?
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Our Verdict
When comparing sweet potato to cassava, we picked the sweet potato.
Why?
For any unfamiliar with cassava, it’s also called manioc or yuca/yucca, and it’s a tuber that can be used a lot like sweet potato. It’s popular in S. America, often in recipes that aren’t the healthiest (deep-fried chunky “cassava chips” are popular in Brazil, for example, and farofa, a flour made from cassava, is less healthy even than refined white flour from wheat), but today we’re going to judge it on its own merit—since after all, almost anything can be deep-fried and many things can be turned into flour, but it doesn’t mean we have to do that.
Let’s talk macros first: sweet potato has nearly 2x the protein, while cassava has nearly 2x the carbs. As for fiber to soften those carbs’ impact on our blood sugars, well, sweet potato has about 2x the fiber. All in all for macros, a clear and easy win for sweet potato.
Important note: as for the impact that has on glycemic index: the exact glycemic index will depend on what you do with it (different cooking methods change the GI), but broadly speaking, sweet potatoes are considered a medium GI food, while cassava is a very high GI food, to the point that it’s higher than sucrose, and nearly equal to pure glucose. Which is impressive, for a tuber.
In terms of vitamins, sweet potato’s famously high vitamin A content raises the bar, but it’s not all it has to offer: sweet potato has more of vitamins A, B1, B2, B3, B5, B6, E, and K, while cassava has more of vitamins B9 and choline. Just for amusement’s sake, let’s note that the sweet potato has over 1,478x the vitamin A content. In any case, the vitamins category is another clear win for sweet potato.
When it comes to minerals, it’s again quite one-sided: sweet potato has more calcium, copper, iron, magnesium, manganese, phosphorus, and potassium, while cassava has more selenium. So, sweet potato wins yet again.
In short: definitely a case of “the less widely-available option is not necessarily the healthier”!
Want to learn more?
You might like to read:
Glycemic Index vs Glycemic Load vs Insulin Index
Take care!
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Xylitol vs Erythritol – Which is Healthier?
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Our Verdict
When comparing xylitol to erythritol, we picked the xylitol.
Why?
They’re both sugar alcohols, which so far as the body is concerned are neither sugars nor alcohols in the way those words are commonly understood; it’s just a chemical term. The sugars aren’t processed as such by the body and are passed as dietary fiber, and nor is there any intoxicating effect as one might expect from an alcohol.
In terms of macronutrients, while technically they both have carbs, for all functional purposes they don’t and just have a little fiber.
In terms of micronutrients, they don’t have any.
The one thing that sets them apart is their respective safety profiles. Xylitol is prothrombotic and associated with major adverse cardiac events (CI=95, adjusted hazard ratio=1.57, range=1.12-2.21), while erythritol is also prothrombotic and more strongly associated with major adverse cardiac events (CI=95, adjusted hazard ratio=2.21, range=1.20-4.07).
So, xylitol is bad and erythritol is worse, which means the relatively “healthier” is xylitol. We don’t recommend either, though.
Studies for both:
- Xylitol is prothrombotic and associated with cardiovascular risk
- The artificial sweetener erythritol and cardiovascular event risk
Links for the specific products we compared, in case our assessment hasn’t put you off them:
Want to learn more?
You might like to read:
- The WHO’s New View On Sugar-Free Sweeteners ← the WHO’s advice is “don’t”
- Stevia vs Acesulfame Potassium – Which is Healthier? ← stevia’s pretty much the healthiest artificial sweetener around, though, if you’re going to use one
- The Fascinating Truth About Aspartame, Cancer, & Neurotoxicity ← under the cold light of science, aspartame isn’t actually as bad as it was painted a few decades ago, mostly by a viral hoax letter. Per the WHO’s advice, it’s still good to avoid sweeteners in general, however.
Take care!
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The “Yes I Can” Salad
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Sometimes, we are given to ask ourselves: “Can I produce a healthy and tasty salad out of what I have in?” and today we show how, with a well-stocked pantry, the answer is “yes I can”, regardless of what is (or isn’t) in the fridge.
You will need
- 1 can cannellini beans, drained
- 1 can sardines (if vegetarian/vegan, substitute ½ can chickpeas, drained)
- 1 can mandarin segments
- 1 handful pitted black olives, from a jar (or from a can, if you want to keep the “yes I can” theme going)
- ½ red onion, thinly sliced (this can be from frozen, defrosted—sliced/chopped onion is always a good thing to have in your freezer, by the way; your writer here always has 1–6 lbs of chopped onions in hers, divided into 1lb bags)
- 1 oz lemon juice
- 1 tbsp chopped parsley (this can be freeze-dried, but fresh is good if you have it)
- 1 tbsp extra virgin olive oil
- 1 tbsp chia seeds
- 1 tsp miso paste
- 1 tsp honey (omit if you don’t care for sweetness; substitute with agave nectar if you do like sweetness but don’t want to use honey specifically)
- 1 tsp red chili flakes
Method
(we suggest you read everything at least once before doing anything)
1) Combine the onion and the lemon juice in a small bowl, massaging gently
2) Mix (in another bowl) the miso paste with the chili flakes, chia seeds, honey, olive oil, and the spare juice from the can of mandarin segments, and whisk it to make a dressing.
3) Add the cannellini beans, sardines (break them into bite-size chunks), mandarin segments, olives, and parsley, tossing them thoroughly (but gently) in the dressing.
4) Top with the sliced onion, discarding the excess lemon juice, and serve:
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Three Daily Servings of Beans?
- We Are Such Stuff As Fish Are Made Of
- Chia: The Tiniest Seeds With The Most Value
Take care!
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Power Vegan Meals – by Maya Sozer
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This book has inspired some of the recipes we’ve shared recently—we’ve invariably tweaked and in our opinion improved them, but the recipes are great as written too.
The recipes, of which there are 75, are all vegan, gluten-free, high protein, and high fiber. Some reviewers on Amazon have complained that the recipes are high-calorie, and they often are, but those calories are mostly from healthy fats, so we don’t think it’s a bad thing. Still, if you’re doing a strict calorie-controlled diet, this is probably not the one for you.
Another thing the recipes are is tasty without being unduly complicated, as well as being mostly free from obscure ingredients. This latter is a good thing not because obscure ingredients are inherently bad, but rather that it can be frustrating to read a recipe and find its star ingredient is a cup of perambulatory periannath that must be harvested from the west-facing slopes of Ithilien during a full moon, no substitutions.
The style and format is simple and clear with minimal overture, one recipe per double-page; picture on one side, recipe on the other; perfect for a kitchen reading-stand.
Bottom line: these recipes are for the most part very consistent with what we share here, and we recommend them, unless you’re looking for low-calorie options.
Click here to check out Power Vegan Meals, and power-up your vegan meals!
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Codependent No More – by Melody Beattie
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This is a book review, not a book summary, but first let’s quickly cover a common misconception, because the word “codependent” gets misused a lot in popular parlance:
- What codependence isn’t: “we depend on each other and must do everything together”
- What codependence is:“person 1 has a dependency on a substance (or perhaps a behavior, such as gambling); person 2 is trying to look after person 1, and so has developed a secondary relationship with the substance/behavior. Person 2 is now said to be codependent, because it becomes all-consuming for them too, even if they’re not using the substance/behavior directly”
Funny how often it happens that the reality is more complex than the perception, isn’t it?
Melody Beattie unravels all this for us. We get a compassionate and insightful look at how we can look after ourselves, while looking after another. Perhaps most importantly: how and where to draw a line of what we can and cannot do/change for them.
Because when we love someone, of course we want to fight their battles with them, if not for them. But if we want to be their rock of strength, we can’t get lost in it too, and of course that hurts.
Beatty takes us through these ideas and more, for example:
- How to examine our own feelings even when it’s scary
- How to practice self-love and regain self-worth, while still caring for them
- How to stop being reactionary, step back, and act with purpose
If the book has any weak point, it’s that it repeatedly recommends 12-step programs, when in reality that’s just one option. But for those who wish to take another approach, this book does not require involvement in a 12-step program, so it’s not a barrier to usefulness.
Click here to check out Codependent No More and take care of yourself, too
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Curing Hiccups And Headaches At Home With Actual Science
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Quick fixes for bodily annoyances
Do you ever find yourself desperately trying to cure hiccups, and advice on the Internet is like “breathe in through your ears while drinking vinegar upside-down through your nose”?
If so, you’re not alone. So, today we’re going to look at some science-based approaches to dealing with common bodily annoyances.
Hiccups
Unfortunately, most popular advices simply don’t work, and the only near-guaranteed way to cure these is with anti-convulsive medications whose side-effects may be worse than the hiccups.
However, before you head to the pharmacy, there is one breathing exercise that has a very simple scientific underpinning: 4:4 breathing. If you’re unfamiliar, it’s just:
- Breathe slowly in through your nose to a count of four
- Hold your breath for a count of four
- Breathe slowly out through your nose to a count of four
- Hold your breath for a count of four
…and repeat. The slower the better. At first, your hiccups will interrupt this, but just “keep calm and carry on”.
The reason this can work is that breathing is an autonomic function (e.g., it happens without us thinking about it) that, unlike most other autonomic functions, we can all control directly. By taking control of one, others will tend to fall into line with it.
For example, it is normal that your heart rate will tend to slow or quicken as your breathing slows or quickens, respectively.
Your hiccups? Autonomic function. Actually a very, very old evolutionary left-over trait, that’s only useful for protecting lungs while breathing underwater. In other words, it’s the bodily function thinks you’re a fish (or a tadpole-like amphibious creature) in the process of developing lungs. Unfortunately, because hiccuping doesn’t harm our chances of passing on our genes, it never got naturally de-selected so we still have it.
Anyway, the bottom line is: take control of your breathing in the aspects you can directly control, and the aspects you can’t directly control will fall into line. You may need to give it some minutes, don’t give up too quickly.
Headaches
If you ever get a headache and you don’t have painkillers or perhaps they’re not helping or you have another reason for not wanting to take them, there’s “one quick trick” that can cure most headaches in seconds.
First, the limitation: this will only cure headaches that have been caused by increased localized blood pressure in the forehead. However, that’s more than half of most common headaches.
Next, how it works…
We’re mentioning this first, because understanding how it works will give you more confidence in using it.
Your body has a wonderful homeostatic system, which is the system by which your body maintains its “Goldilocks zones” of not too hot or cold, not to acidine or alkaline, not too hydrated or dehydrated, blood pressure not too high or too low, etc. Sometimes, however, it can get confused, and needs a nudge back to where it should be.
One of the ways it maintains blood pressure is biofeedback from receptors in blood vessel walls, called baroreceptors. They are what it sounds like; they measure blood pressure internally.
In certain places, there are clusters of baroreceptors in one place. And if we press on that one place, the body will think “Oh no! Super high blood pressure in this bit!” and reduce the blood pressure immediately.
This is called the baroreflex, and that’s what you need to cure a hypertensive headache.
So, what to do:
With your thumb, carefully feel the upper inside corner of your eye socket. So, at the top, and about ¼ of the way out from the bridge of your nose. You should feel a groove. No, not like the Emperor’s New, but, an actual groove in your eye socket. That’s the supraorbital notch (or foramen), and it allows the supraorbital artery, veins, and nerve to run through.
Press it firmly (you can do both sides at once, assuming you have two thumbs) for about three seconds, and then massage it gently. Repeat as necessary, but it shouldn’t take more than about three goes to have cured the headache.
As a bonus, this is a great party trick for curing other people’s headaches, when the need arises!
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How To Improve Your Heart Rate Variability
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How’s your heart rate variability?
The hallmarks of a good, strong cardiovascular system include a medium-to-low resting heart rate (for adults: under 60 beats per minute is good; under 50 is typical of athletes), and healthy blood pressure (for adults: under 120/80, while still above 90/60, is generally considered good).
Less talked-about is heart rate variability, but it’s important too…
What is heart rate variability?
Heart rate variability is a measure of how quickly and easily your heart responds to changes in demands placed upon it. For example:
- If you’re at rest and then start running your fastest (be it for leisure or survival or anything in between), your heart rate should be able to jump from its resting rate to about 180% of that as quickly as possible
- When you stop, your heart rate should be able to shift gears back to your resting rate as quickly as possible
The same goes, to a commensurately lesser extent, to changes in activity between low and moderate, or between moderate and high.
- When your heart can change gears quickly, that’s called a high heart rate variability
- When your heart is sluggish to get going and then takes a while to return to normal after exertion, that’s called a low heart rate variability.
The rate of change (i.e., the variability) is measured in microseconds per beat, and the actual numbers will vary depending on a lot of factors, but for everyone, higher is better than lower.
Aside from quick response to crises, why does it matter?
If heart rate variability is low, it means the sympathetic nervous system is dominating the parasympathetic nervous system, which means, in lay terms, your fight-or-flight response is overriding your ability to relax.
See for example: Stress and Heart Rate Variability: A Meta-Analysis and Review of the Literature
This has a lot of knock-on effects for both physical and mental health! Your heart and brain will take the worst of this damage, so it’s good to improve things for them impossible.
This Saturday’s Life Hacks: how to improve your HRV!
Firstly, the Usual Five Things™:
- A good diet (that avoids processed foods)
- Good exercise (that includes daily physical activity—more often is more important than more intense!)
- Good sleep (7–9 hours of good quality sleep per night)
- Reduce or eliminate alcohol consumption (this is dose-dependent; any reduction is an improvement)
- Don’t smoke (just don’t)
Additional regular habits that help a lot:
- Breathing exercises, mindfulness, meditation
- Therapy, especially CBT and DBT
- Stress-avoidance strategies, for example:
- Get (and maintain) your finances in good order
- Get (and maintain) your relationship(s) in good order
- Get (and maintain) your working* life in good order
*Whatever this means to you. If you’re perhaps retired, or otherwise a home-maker, or even a student, the things you “need to do” on a daily basis are your working life, for these purposes.
In terms of simple, quick-fix, physical tweaks to focus on if you’re already broadly leading a good life, two great ones are:
- Exercise: get moving! Walk to the store even if you buy nothing but a snack or drink to enjoy while walking back. If you drove, make more trips with the shopping bags rather than fewer. If you like to watch TV, consider an exercise bike or treadmill to use while watching. If you have a partner, double-up and make it a thing you do together! Take the stairs instead of the elevator. Take the scenic route when walking someplace. Go to the bathroom that’s further away. Every little helps!
- Breathe: even just a couple of times a day, practice mindful breathing. Start with even just a minute a day, to get the habit going. What breathing exercise you do isn’t so important as that you do it. Notice your breathing; count how long each breath takes. Don’t worry about “doing it right”—you’re doing great, just observe, just notice, just slowly count. We promise that regular practice of this will have you feeling amazing
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