What Omega-3 Fatty Acids Really Do For Us
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What Omega-3 Fatty Acids Really Do For Us
Shockingly, we’ve not previously covered this in a main feature here at 10almonds… Mostly we tend to focus on less well-known supplements. However, in this case, the supplement may be well known, while some of its benefits, we suspect, may come as a surprise.
So…
What is it?
In this case, it’s more of a “what are they?”, because omega-3 fatty acids come in multiple forms, most notably:
- Alpha-linoleic acid (ALA)
- Eicosapentaenoic acid (EPA)
- Docosahexanoic acid (DHA)
ALA is most readily found in certain seeds and nuts (chia seeds and walnuts are top contenders), while EPA and DHA are most readily found in certain fish (hence “cod liver oil” being a commonly available supplement, though actually cod aren’t even the best source—salmon and mackerel are better; cod is just cheaper to overfish, making it the cheaper supplement to manufacture).
Which of the three is best, or do we need them all?
There are two ways of looking at this:
- ALA is sufficient alone, because it is a precursor to EPA and DHA, meaning that the body will take ALA and convert it into EPA and DHA as required
- EPA and DHA are superior because they’re already in the forms the body will use, which makes them more efficient
As with most things in health, diversity is good, so you really can’t go wrong by getting some from each source.
Unless you have an allergy to fish or nuts, in which case, definitely avoid those!
What do omega-3 fatty acids do for us, according to actual research?
Against inflammation
Most people know it’s good for joints, as this is perhaps what it’s most marketed for. Indeed, it’s good against inflammation of the joints (and elsewhere), and autoimmune diseases in general. So this means it is indeed good against common forms of arthritis, amongst others:
Read: Omega-3 fatty acids in inflammation and autoimmune disease
Against menstrual pain
Linked to the above-referenced anti-inflammatory effects, omega-3s were also found to be better than ibuprofen for the treatment of severe menstrual pain:
Don’t take our word for it: Comparison of the effect of fish oil and ibuprofen on treatment of severe pain in primary dysmenorrhea
Against cognitive decline
This one’s a heavy-hitter. It’s perhaps to be expected of something so good against inflammation (bearing in mind that, for example, a large part of Alzheimer’s is effectively a form of inflammation of the brain); as this one’s so important and such a clear benefit, here are three particularly illustrative studies:
- Inadequate supply of vitamins and DHA in the elderly: implications for brain aging and Alzheimer-type dementia
- Fish consumption and cognitive decline with age in a large community study
- Fish consumption, long-chain omega-3 fatty acids and risk of cognitive decline or Alzheimer disease
Against heart disease
The title says it all in this one:
But what about in patients who do have heart disease?
Mozaffarian and Wu did a huge meta-review of available evidence, and found that in fact, of all the studied heart-related effects, reducing mortality rate in cases of cardiovascular disease was the single most well-evidenced benefit:
How much should we take?
There’s quite a bit of science on this, and—which is unusual for something so well-studied—not a lot of consensus.
However, to summarize the position of the academy of nutrition and dietetics on dietary fatty acids for healthy adults, they recommend a minimum of 250–500 mg combined EPA and DHA each day for healthy adults. This can be obtained from about 8 ounces (230g) of fatty fish per week, for example.
If going for ALA, on the other hand, the recommendation becomes 1.1g/day for women or 1.6g/day for men.
Want to know how to get more from your diet?
Here’s a well-sourced article about different high-density dietary sources:
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Pistachios vs Pine Nuts – Which is Healthier?
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Our Verdict
When comparing pistachios to pine nuts, we picked the pistachios.
Why?
First looking at the macros, pistachios have nearly 2x the protein while pine nuts have nearly 2x the fat. The fats are healthy in moderation (mostly polyunsaturated, a fair portion of monounsaturated, and a little saturated), but we’re going to value the protein content higher. Also, pistachios have approximately 2x the carbs, and/but nearly 3x the fiber. All in all, we’ll call this section a moderate win for pistachios.
When it comes to vitamins, pistachios have more of vitamins A, B1, B5, B6, B9, and C, while pine nuts have more of vitamins B2, B3, E, K, and choline. All in all, pistachios are scraping a 6:5 win here, or we could call it a tie if we want to value pine nuts’ vitamins more (due to the difference in how many foods each vitamin is found in, and thus the likelihood of having a deficiency or not).
In the category of minerals, pistachios have more calcium, copper, potassium, and selenium, while pine nuts have more iron, magnesium, manganese, and zinc. This would be a tie if we just call it 4:4, but what’s worth noting is that while both of these nuts are a good source of most of the minerals mentioned, pine nuts aren’t a very good source of calcium or selenium, so we’re going to declare this section a very marginal win for pistachios.
Adding up the moderate win, the scraped win, and the barely scraped win, all adds up to a win for pistachios. However, as you might have noticed, both are great so do enjoy both if you can!
Want to learn more?
You might like to read:
Why You Should Diversify Your Nuts
Take care!
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Cavolo Nero & Sweet Potato Hash
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🎶 Sweet potato hash? It’s a seasonal smash… Catches on in a flash… Let’s do the hash 🎶
You will need
- 6 oz cavolo nero, tough stems removed, chopped
- 1 large sweet potato, diced
- 1 large red onion, finely chopped
- 1 parsnip, grated
- 1 small red pepper, chopped
- 4 oz baby portobello mushrooms, chopped
- ½ cup fresh or thawed peas
- ¼ bulb garlic, thinly sliced
- 1 tbsp nutritional yeast
- 2 tsp black pepper, coarse ground
- 1 tsp dried rosemary
- 1 tsp dried thyme (dried for convenience; fresh is also fine if you have it)
- 1 tsp red chili flakes (dried for convenience; fresh is also fine if you have it)
- 1 tsp ground turmeric
- ½ tsp MSG or 1 tsp low-sodium salt
- Extra virgin olive oil
Method
(we suggest you read everything at least once before doing anything)
1) Preheat the oven to 425℉ / 220℃.
2) Toss the diced sweet potato in 1 tbsp olive oil, as well as the nutritional yeast, ground turmeric, black pepper, and MSG/salt, ensuring an even distribution. Roast in the oven on a lined baking tray, for 30 minutes, turning at least once to get all sides of the potato. When it is done, remove from the oven and set aside.
3) Heat a little oil in a sauté pan or large skillet (either is fine; we’re not adding liquids today), and fry the onion, parsnip, and pepper until softened, which should take about 5 minutes (this is one reason why we grated the parsnip; the other is for the variation in texture).
4) Add the garlic, mushrooms, herbs, and chili flakes, and cook for a further 1 minute, while stirring.
5) Add the cavolo nero and peas, stir until the cavolo nero begins to wilt, and then…
6) Add the roasted sweet potato; cook for about 5 more minutes, pressing down with the spatula here and there to mash the ingredients together.
7) Turn the hash over when it begins to brown on the bottom, to lightly brown the other side too.
8) Serve hot.
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Brain Food? The Eyes Have It!
- Which Bell Peppers To Pick?
- Ergothioneine: “The Longevity Vitamin” (That’s Not A Vitamin)
- Our Top 5 Spices: How Much Is Enough For Benefits?
- What’s Your Plant Diversity Score?
Take care!
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100 Ways to Change Your Life – by Liz Moody
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Sometimes we crave changing things up, just to feel something new. This can result in anything from bad haircut decisions or impulsive purchases, to crashing and burning-out of a job, project, or relationship. It doesn’t have to be that way, though!
This book brings us (as the title suggest) 100 evidence-based ways of changing things up in a good way—small things that can make a big difference in many areas of life.
In terms of format, these are presented in 100 tiny chapters, each approximately 2 pages long (obviously it depends on the edition, but you get the idea). Great to read in any of at least three ways:
- Cover-to-cover
- One per day for 100 days
- Look up what you need on an ad hoc basis
Bottom line: even if you already do half of these things, the other half will each compound your health happiness one-by-one as you add them. This is a very enjoyable and practical book!
Click here to check out 100 Ways to Change Your Life, and level-up yours!
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A Correction, And A New, Natural Way To Boost Daily Energy Levels
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It’s Q&A Day 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!
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
First: a correction and expansion!
After yesterday’s issue of 10almonds covering breast cancer risks and checks, a subscriber wrote to say, with regard to our opening statement, which was:
“Anyone (who has not had a double mastectomy, anyway) can get breast cancer”
❝I have been enjoying your newsletter. This statement is misleading and should have a disclaimer that says even someone who has had a double mastectomy can get breast cancer, again. It is true and nothing…nothing is 100% including a mastectomy. I am a 12 year “thriver” (I don’t like to use the term survivor) who has had a double mastectomy. I work with a local hospital to help newly diagnosed patients deal with their cancer diagnosis and the many decisions that follow. A double mastectomy can help keep recurrence from happening but there are no guarantees. I tried to just delete this and let it go but it doesn’t feel right. Thank you!❞
Thank you for writing in about this! We wouldn’t want to mislead, and we’re always glad to hear from people who have been living with conditions for a long time, as (assuming they are a person inclined to learning) they will generally know topics far more deeply than someone who has researched it for a short period of time.
Regards a double mastectomy (we’re sure you know this already, but noting here for greater awareness, prompted by your message), a lot of circumstances can vary. For example, how far did a given cancer spread, and especially, did it spread to the lymph nodes at the armpits? And what tissue was (and wasn’t) removed?
Sometimes a bilateral prophylactic mastectomy will leave the lymph nodes partially or entirely intact, and a cancer could indeed come back, if not every last cancerous cell was removed.
A total double mastectomy, by definition, should have removed all tissue that could qualify as breast tissue for a breast cancer, including those lymph nodes. However, if the cancer spread unnoticed somewhere else in the body, then again, you’re quite correct, it could come back.
Some people have a double mastectomy without having got cancer first. Either because of a fear of cancer due to a genetic risk (like Angelina Jolie), or for other reasons (like Elliot Page).
This makes a difference, because doing it for reasons of cancer risk may mean surgeons remove the lymph nodes too, while if that wasn’t a factor, surgeons will tend to leave them in place.
In principle, if there is no breast tissue, including lymph nodes, and there was no cancer to spread, then it can be argued that the risk of breast cancer should now be the same “zero” as the risk of getting prostate cancer when one does not have a prostate.
But… Surgeries are not perfect, and everyone’s anatomy and physiology can differ enough from “textbook standard” that surprises can happen, and there’s almost always a non-zero chance of certain health outcomes.
For any unfamiliar, here’s a good starting point for learning about the many types of mastectomy, that we didn’t go into in yesterday’s edition. It’s from the UK’s National Health Service:
NHS: Mastectomy | Types of Mastectomy
And for the more sciency-inclined, here’s a paper about the recurrence rate of cancer after a prophylactic double mastectomy, after a young cancer was found in one breast.
The short version is that the measured incidence rate of breast cancer after prophylactic bilateral mastectomy was zero, but the discussion (including notes about the limitations of the study) is well worth reading:
Breast Cancer after Prophylactic Bilateral Mastectomy in Women with a BRCA1 or BRCA2 Mutation
❝[Can you write about] the availability of geriatric doctors Sometimes I feel my primary isn’t really up on my 70 year old health issues. I would love to find a doctor that understands my issues and is able to explain them to me. Ie; my worsening arthritis in regards to food I eat; in regards to meds vs homeopathic solutions.! Thanks!❞
That’s a great topic, worthy of a main feature! Because in many cases, it’s not just about specialization of skills, but also about empathy, and the gap between studying a condition and living with a condition.
About arthritis, we’re going to do a main feature specifically on that quite soon, but meanwhile, you might like our previous article:
Keep Inflammation At Bay (arthritis being an inflammatory condition)
As for homeopathy, your question prompts our poll today!
(and then we’ll write about that tomorrow)
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The Five Pillars Of Longevity
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The Five Pillars Of Longevity
This is Dr. Mark Hyman. He’s a medical doctor, and he’s the board president of clinical affairs of the Institute for Functional Medicine. He’s also the founder and medical director of the UltraWellness Center!
What he’d like you to know about is what he calls the “Five Pillars of Longevity”.
Now, here at 10almonds, we often talk about certain things that science finds to be good for almost any health condition, and have made a habit of referencing what we call “The Usual Five Things™” (not really a trademark, by the way—just a figure of speech), which are:
- Have a good diet
- Get good exercise
- Get good sleep
- Reduce (or eliminate) alcohol consumption
- Don’t smoke
…and when we’re talking about a specific health consideration, we usually provide sources as to why each of them are particularly relevant, and pointers as to the what/how associated with them (ie what diet is good, how to get good sleep, etc).
Dr. Hyman’s “Five Pillars of Longevity” are based on observations from the world’s “Blue Zones”, the popular name for areas with an unusually high concentration of supercentenarians—Sardinia and Okinawa being famous examples, with a particular village in each being especially exemplary.
These Five Pillars of Longevity partially overlap with ours for three out of five, and they are:
- Good nutrition
- Optimized workouts
- Reduce stress
- Get quality sleep
- Find (and live) your purpose
We won’t argue against those! But what does he have to say, for each of them?
Good nutrition
Dr. Hyman advocates for a diet he calls “pegan”, which he considers to combine the paleo and vegan diets. Here at 10almonds, we generally advocate for the Mediterranean Diet because of the mountains of evidence for it, but his approach may be similar in some ways, since it looks to consume a majority plant diet, with some unprocessed meats/fish, limited dairy, and no grains.
By the science, honestly, we stand by the Mediterranean (which includes whole grains), but if for example your body may have issues of some kind with grains, his approach may be a worthy consideration.
Optimized workouts
For Dr. Hyman, this means getting in three kinds of exercise regularly:
- Aerobic/cardio, to look after your heart health
- Resistance training (e.g. weights or bodyweight strength-training) to look after your skeletal and muscular health
- Yoga or similar suppleness training, to look after your joint health
Can’t argue with that, and it can be all too easy to fall into the trap of thinking “I’m healthy because I do x” while forgetting y and/or z! Thus, a three-pronged approach definitely has its merits.
Reduce stress
Acute stress (say, a cold shower) is can confer some health benefits, but chronic stress is ruinous to our health and it ages us. So, reducing this is critical. Dr. Hyman advocates for the practice of mindfulness and meditation, as well as journaling.
Get quality sleep
Quality here, not just quantity. As well as the usual “sleep hygiene” advices, he has some more unorthodox methods, such as the use of binaural beats to increase theta-wave activity in the brain (and thus induce more restful sleep), and the practice of turning off Wi-Fi, on the grounds that Wi-Fi signals interfere with our sleep.
We were curious about these recommendations, so we checked out what the science had to say! Here’s what we found:
- Minimal Effects of Binaural Auditory Beats for Subclinical Insomnia: A Randomized Double-Blind Controlled Study
- Spending the night next to a router – Results from the first human experimental study investigating the impact of Wi-Fi exposure on sleep
In short: probably not too much to worry about in those regards. On the other hand, worrying less, unlike those two things, is a well-established way improve sleep!
(Surprised we disagreed with our featured expert on a piece of advice? Please know: you can always rely on us to stand by what the science says; we pride ourselves on being as reliable as possible!)
Find (and live!) your purpose
This one’s an ikigai thing, to borrow a word from Japanese, or finding one’s raison d’être, as we say in English using French, because English is like that. It’s about having purpose.
Dr. Hyman’s advice here is consistent with what many write on the subject, and it’d be an interesting to have more science on, but meanwhile, it definitely seems consistent with commonalities in the Blue Zone longevity hotspots, where people foster community, have a sense of belonging, know what they are doing for others and keep doing it because they want to, and trying to make the world—or even just their little part of it—better for those who will follow.
Being bitter, resentful, and self-absorbed is not, it seems a path to longevity. But a life of purpose, or even just random acts of kindness, may well be.
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Nudge – by Richard Thaler & Cass Sunstein
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How often in life do we make a suboptimal decision that ends up plaguing us for a long time afterwards? Sometimes, a single good or bad decision can even directly change the rest of our life.
So, it really is important that we try to optimize the decisions we do make.
Professors Richard Thaler and Cass Sunstein look at all kinds of decision-making in this book. Their goal, as per the subtitle, is “improving decisions about health, wealth, and happiness”.
For the most part, the book concentrates on “nudges”. Small factors that influence our decisions one way or another.
Most importantly: that some of them are very good reasons to be nudged; others, very bad ones. And they often look similar.
Where this book excels is in highlighting the many ways we make decisions without even thinking about it… or we think about it, but only down a prescribed, foreseen track, to an externally expected conclusion (for example, an insurance company offering three packages, but two of them exist only to direct you to the “correct” choice).
A weakness of the book is that in some aspects it’s a little inconsistent. The authors describe their economic philosophy as “libertarian paternalism”, and as libertarians they’re against mandates, except when as paternalists they’re for them. But, if we take away their labels, this boils down to “some mandates can be good and some can be bad”, which would not be so inconsistent after all.
Bottom line: if you’d like to better understand your own decision-making processes through the eyes of policy-setting economists (especially Sunstein, who worked for the White House Office of Information & Regulatory Affairs) whose job it is to make sure you make the “right” decisions, then this is a very enlightening book.
Click here to check out Nudge and improve your decision-making clarity!
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