Pasteurization: What It Does And Doesn’t Do
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Pasteurization’s Effect On Risks & Nutrients
In Wednesday’s newsletter, we asked you for your health-related opinions of raw (cow’s) milk, and got the above-depicted, below-described, set of responses:
- About 47% said “raw milk is dangerous to consume, whereas pasteurization makes it safer”
- About 31% said “raw milk is a good source of vital nutrients which pasteurization would destroy”
- About 14% said “both raw milk and pasteurized milk are equally unhealthy”
- About 9% said “both raw milk and pasteurized milk are equally healthy”
Quite polarizing! So, what does the science say?
“Raw milk is dangerous to consume, whereas pasteurization makes it safer: True or False?”
True! Coincidentally, the 47% who voted for this are mirrored by the 47% of the general US population in a similar poll, deciding between the options of whether raw milk is less safe to drink (47%), just as safe to drink (15%), safer to drink (9%), or not sure (30%):
Public Fails to Appreciate Risk of Consuming Raw Milk, Survey Finds
As for what those risks are, by the way, unpasteurized dairy products are estimated to cause 840x more illness and 45x more hospitalizations than pasteurized products.
This is because unpasteurized milk can (and often does) contain E. coli, Listeria, Salmonella, Cryptosporidium, and other such unpleasantries, which pasteurization kills.
Source for both of the above claims:
(we know the title sounds vague, but all this information is easily visible in the abstract, specifically, the first two paragraphs)
Raw milk is a good source of vital nutrients which pasteurization would destroy: True or False?
False! Whether it’s a “good” source can be debated depending on other factors (e.g., if we considered milk’s inflammatory qualities against its positive nutritional content), but it’s undeniably a rich source. However, pasteurization doesn’t destroy or damage those nutrients.
Incidentally, in the same survey we linked up top, 16% of the general US public believed that pasteurization destroys nutrients, while 41% were not sure (and 43% knew that it doesn’t).
Note: for our confidence here, we are skipping over studies published by, for example, dairy farming lobbies and so forth. Those do agree, by the way, but nevertheless we like sources to be as unbiased as possible. The FDA, which is not completely unbiased, has produced a good list of references for this, about half of which we would consider biased, and half unbiased; the clue is generally in the journal names. For example, Food Chemistry and the Journal of Food Science and Journal of Nutrition are probably less biased than the International Dairy Association and the Journal of Dairy Science:
FDA | Raw Milk Misconceptions and the Danger of Raw Milk Consumption
this page covers a lot of other myths too, more than we have room to “bust” here, but it’s very interesting reading and we recommend to check it out!
Notably, we also weren’t able to find any refutation by counterexample on PubMed, with the very slight exception that some studies sometimes found that in the case of milks that were of low quality, pasteurization can reduce the vitamin E content while increasing the vitamin A content. For most milks however, no significant change was found, and in all cases we looked at, B-vitamins were comparable and vitamin D, popularly touted as a benefit of cow’s milk, is actually added later in any case. And, importantly, because this is a common argument, no change in lipid profiles appears to be findable either.
In science, when something has been well-studied and there aren’t clear refutations by counterexample, and the weight of evidence is clearly very much tipped into one camp, that usually means that camp has it right.
Milk generally is good/bad for the health: True or False?
True or False, depending on what we want to look at. It’s definitely not good for inflammation, but the whole it seems to be cancer-neutral and only increases heart disease risk very slightly:
- Keep Inflammation At Bay ← short version is milk is bad, fermented milk products are fine in moderation
- Is Dairy Scary? ← short version is that milk is neither good nor terrible; fermented dairy products however are health-positive in numerous ways when consumed in moderation
You may be wondering…
…how this goes for the safety of dairy products when it comes to the bird flu currently affecting dairy cows, and the good news is, the heat of pasteurization kills it:
With all this bird flu around, how safe are eggs, chicken or milk?
Take care!
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Master Your Core – by Dr. Bohdanna Zazulak
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In the category of “washboard abs”, this one isn’t particularly interested in how much or how little fat you have. What it’s more interested in is a strong, resilient, and stable core. Including your abs yes, but also glutes, hips, and back.
Nor is the focus on superhuman feats of strength, though certainly one could use these exercises to work towards that. Rather, here we see importance placed on functional performance, mobility, and stability.
Lest mobility and stability seem at odds with each other, understand:
- By mobility we mean the range of movement we are able to accomplish.
- By stability, we mean that any movement we make is intentional, and not because we lost our balance.
Functional performance, meanwhile, is a function of those two things, plus strength.
How does the book deliver on this?
There are exercises to do. Exercises of the athletic kind you might expect, and also exercises including breathing exercises, which gets quite a bit of attention too. Not just “do abdominal breathing”, but quite an in-depth examination of such. There are also habits to form, and lifestyle tweaks to make.
Of course, you don’t have to do all the things she suggests. The more you do, the better results you are likely to get, but if you adopt even some of the practices she recommends, you’re likely to see some benefits. And, perhaps most importantly, reduce age-related loss of mobility, stability, and strength.
Bottom line: a great all-rounder book of core strength, mobility, and stability.
Click here to check out Master Your Core and enjoy the more robust health that comes with it!
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Gut-Healthy Spaghetti Chermoula
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Chermoula is a Maghreb relish/marinade (it’s used for both purposes); it’s a little like chimichurri but with distinctly N. African flavors. The gut-healthiness starts there (it’s easy to forget that olives—unless fresh—are a fermented food full of probiotic Lactobacillus sp. and thus great for the gut even beyond their fiber content), and continues in the feta, the vegetables, and the wholewheat nature of the pasta. The dish can be enjoyed at any time, but it’s perfect for warm summer evenings—perhaps dining outside, if you’ve place for that.
You will need
- 9oz wholewheat spaghetti (plus low-sodium salt for its water)
- 10oz broccoli, cut into small florets
- 3oz cilantro (unless you have the soap gene)
- 3oz parsley (whether or not you included the cilantro)
- 3oz green olives, pitted, rinsed
- 1 lemon, pickled, rinsed
- 1 bulb garlic
- 3 tbsp pistachios, shelled
- 2 tbsp mixed seeds
- 1 tsp cumin
- 1 tsp chili flakes
- ½ cup extra virgin olive oil
- For the garnish: 3oz feta (or plant-based equivalent), crumbled, 3oz sun-dried tomatoes, diced, 1 tsp cracked black pepper
Note: why are we rinsing the things? It’s because while picked foods are great for the gut, the sodium can add up, so there’s no need to bring extra brine with them too. By doing it this way, there’ll be just the right amount for flavor, without overdoing it.
Method
(we suggest you read everything at least once before doing anything)
1) Cook the spaghetti as you normally would, but when it’s a minute or two from being done, add the broccoli in with it. When it’s done, drain and rinse thoroughly to get rid of excess starch and salt, and also because cooling it even temporarily (as in this case) lowers its glycemic index.
2) Put the rest of the ingredients into a food processor (except the olive oil and the garnish), and blitz thoroughly until no large coarse bits remain. When that’s done, add the olive oil, and pulse it a few times to combine. We didn’t add the olive oil previously, because blending it so thoroughly in that state would have aerated it in a way we don’t want.
3) Put ⅔ of the chermoula you just made into the pan you used for cooking the spaghetti, and set it over a medium heat. When it starts bubbling, return the spaghetti and broccoli to the pan, mixing gently but thoroughly. If the pasta threatens to stick, you can add a little more chermoula, but go easy on it. Any leftover chermoula that you didn’t use today, can be kept in the fridge and used later as a pesto.
4) Serve! Add the garnish as you do.
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Less Obvious Probiotics Benefits
- Making Friends With Your Gut (You Can Thank Us Later)
- What Matters Most For Your Heart? ← spoiler: this is why, while we do watch the sodium, we care more about the fiber
- All about Olive Oil: Is “Extra Virgin” Worth It?
- Our Top 5 Spices: How Much Is Enough For Benefits?
Take care!
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Enjoy Bitter Foods For Your Heart & Brain
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When Bitter Is Better
A good general rule of thumb for “does this food contain a lot of healthy polyphenols?” is:
“is this (edible) plant bitter/astringent/pungent”?
If it is, it’s probably rich in polyphenols:
Deciphering the role of bitter and astringent polyphenols in promoting well-being
…which is why it’s no surprise that black coffee and bitter chocolate score highly, as do hot peppers and even garlic.
See also: Our Top 5 Spices: How Much Is Enough For Benefits?
Even fruits, generally considered something sweet to eat, often contain more polyphenols when they are bitter—many berries are great examples of this!
Read more: Goji Berries: Which Benefits Do They Really Have?
You can read more about the science of this here:
Sensory Nutrition and Bitterness and Astringency of Polyphenols
Important for multiple reasons (including heart and brain health)
Polyphenols have many benefits, and they’re most well known for their heart-healthy properties, but their antioxidant effect (and other mechanisms) also means these foods are generally neuroprotectants too:
The science of this is not all as obvious as you might think!
It is reasonable to expect “ok, this has antioxidant effect, so it will reduce oxidative damage to brain cells too”, and while that is true (and yes, polyphenols do cross the blood-brain barrier), they also help in other ways, including through the gut:
What if I don’t like bitter/astringent/pungent foods?
If you do not have a medical condition that proscribes them (do check with your doctor if unsure), the best advice is to simply eat them anyway, and your tastes will adapt.
It will also help if you avoid sweet foods (though this too is also a good general rule of thumb!), as this will move the balance of where your brain’s “set range” is for “good taste”.
Bonus tip: dark chocolate (80%+ cocoa if possible, 95% if you can get it) and chilli peppers go great with each other. Here’s an example of a chilli chocolate product on Amazon; it’s 70% cocoa (which is not bad, but could be better). You might be able to get a higher percentage locally, especially if you ask your local chocolatière, or make it yourself!
Enjoy!
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Meditation That You’ll Actually Enjoy
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Meditation That You’ll Actually Enjoy
We previously wrote about…
No-Frills, Evidence-Based Mindfulness
this is a great primer, by the way, for the science and simplicity of mindfulness, along with the simplest mindfulness meditation to get you going.
Today, we’re going to have some fun with meditation.
First: The Problem
Once the usefulness and health benefits of meditation have been established, often people want to meditate, but complain they don’t have the time.
But that’s not the real reason, though, is it?
Let’s face it, a basic meditation can give benefits within two minutes. Or within two breaths, for that matter. So, it’s not really for a lack of time.
The real reason is because it doesn’t feel productive, and it’s not fun. For us to feel motivated to do a thing, usually we need at least one or the other. And even if we know it really is productive, it not feeling that way will hobble us.
So instead, let us make things a little more fun, with…
Meditation games!
As it turns out, there are good kinds of meditation with which one can have a little fun.
Catch the next thought
A common feature of many meditative practices is the experience of having fewer, or ideally no, thoughts.
But it’s hard to enact a negative, and thoughts keep coming.
So instead, make yourself comfortable, settle in, and lie in wait for thoughts. When one comes along, pounce on it in your mind. And then release it, and wait for the next.
At first, your thoughts may be coming thick and fast, but soon, you’ll find the pauses between them lengthening, and you have moments of contented not-knowing of what the next thought will be before it comes along.
This state of relaxed, ready alertness, calm and receptive, is exactly what we’re hoping to find here. But don’t worry about that while you’re busy lying in wait for the next wild thought to come along
Counting breaths
Many meditative practices involve focus on one’s breath. But it’s easy for attention to wander!
This game is a simple one. Count your breaths, not trying to change your rate of breathing at all, just letting it be, and see how high you can get before you lose count.
Breathing in and out, once, counts as one breath, by the way.
You may find that your rate of breathing naturally slows while you’re doing this. That’s fine; let it. It’ll add to the challenge of the game, because before long there will be lengthy pauses between each number.
If you lose count, just start again, and see if you can beat your high score.
This meditation game is an excellent exercise to build for sustained focus, while also improving the quality of breathing (as a side-effect of merely paying attention to it).
Hot spot, cold spot
The above two meditation games were drawn from Japanese and Chinese meditative practices, zen and qigong respectively; this one’s from an Indian meditative practice, yoga nidra. But for now, just approach it with a sense of playful curiosity, for best results.
Make yourself comfortable, lying on your back, arms by your sides.
Take a moment first to pay attention to each part of your body from head to toe, and release any tension that you may be holding along the way.
First part: mentally scan your body for where it feels warmest, or most active, or most wanting of attention (for example if there is pain, or an itch, or some other sensation); that’s your “hot spot” for the moment.
Second part: mentally scan your body for where it feels coolest, or most inert, or almost like it’s not a part of your body at all; that’s your “cold spot” for the moment.
Now, see if you can flip them. Whether you can or can’t, notice if your “hot spot” or “cold spot” moves, or if you can move them consciously.
This meditation game is a great exercise to strengthen interoception and somatic awareness in general—essential for being able to “listen to your body”!
Closing thoughts
All three practices above have very serious reasons and great benefits, but make sure you don’t skip enjoyment of the fun aspects!
Being “young at heart” is, in part, to do with the ability to enjoy—literally, to take joy in—the little things in life.
With that in mind, all we have left to say here is…
Enjoy!
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Apricots vs Peaches – Which is Healthier?
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Our Verdict
When comparing apricots to peaches, we picked the apricots.
Why?
Both are great! But there’s a clear winner:
In terms of macros, apricots have more fiber and, which is less important because the numbers are small, more protein. Apricots do also have more carbs, and/but carbs from whole fruit are not a problem for most people (especially because of the fiber), unless undertaking a very carb-controlled diet.
When it comes to vitamins, apricots sweep with more of vitamins A, B1, B2, B5, B6, B9, C, E, & K. Peaches meanwhile boast more vitamin B3, and that only marginally, as well as more choline.
In the category of minerals, apricots sweep again with more calcium, copper, iron, magnesium, manganese, phosphorus, potassium, and zinc. Peaches are not higher in any minerals.
Finally, if we consider polyphenols, apricots sweep yet again. The flavonols that peaches have, apricots have more of, and apricots have a long list of flavonols that peaches don’t.
Outside of flavonols, there is one (1) phenolic acid that peaches have more of (it’s 3-Caffeoylquinic acid), and it’s only slightly more, and it’s mostly in the skin which isn’t included if you buy your fruit ready-chopped. So in those cases, apricots would have the higher 3-Caffeoylquinic acid content anyway.
All in all, with their higher content of fiber, vitamins, minerals, and polyphenols, apricots easily win the day.
Enjoy both, though! Diversity is healthy!
Want to learn more?
You might like to read:
- Dried Apricots vs Dried Prunes – Which is Healthier?
- Which Sugars Are Healthier, And Which Are Just The Same? ← we know we link this one a lot, but we think it’s important for everyone to know how fruit is good and juice isn’t (and why, less that seem bizarrely arbitrary)
Take care!
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Elderhood – by Dr. Louise Aronson
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Where does “middle age” end, and “old age” begin? By the United States’ CDC’s categorization, human life involves:
- 17 stages of childhood, deemed 0–18
- 5 stages of adulthood, deemed 18–60
- 1 stage of elderhood, deemed 60+
Isn’t there something missing here? Do we just fall off some sort of conveyor belt on our sixtieth birthdays, into one big bucket marked “old”?
Yesterday you were 59 and enjoying your middle age; today you have, apparently, the same medical factors and care needs as a 114-year-old.
Dr. Louise Aronson, a geriatrician, notes however that medical science tends to underestimate the differences found in more advanced old age, and underresearch them. That elders consume half of a country’s medicines, but are not required to be included in clinical trials. That side effects not only are often different than for younger adults, but also can cause symptoms that are then dismissed as “Oh she’s just old”.
She explores, mostly through personal career anecdotes, the well-intentioned disregard that is frequently given by the medical profession, and—importantly—how we might overcome that, as individuals and as a society.
Bottom line: if you are over the age of 60, love someone over the age of 60, this is a book for you. Similarly if you and/or they plan to live past the age of 60, this is also a book for you.
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Learn to Age Gracefully
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