Dandelion Greens vs Collard Greens – Which is Healthier?
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Our Verdict
When comparing dandelion greens to collard greens, we picked the dandelion greens.
Why?
Collard greens are great—they even beat kale in one of our previous “This or That” articles!—but dandelion greens simply pack more of a nutritional punch:
In terms of macros, dandelions have slightly more carbs (+3g/100g) for the same protein and fiber, and/but the glycemic index is equal (zero), so those carbs aren’t anything to worry about. Nobody is getting metabolic disease by getting their carbs from dandelion leaves. In short, we’re calling it a tie on macros, though it could nominally swing either way if you have an opinion (one way or the other) about the extra 3g of carbs.
In the category of vitamins, things are more exciting: dandelion greens have more of vitamins A, B1, B2, B3, B6, B7, B9, C, E, and K, while collard greens have more vitamin B5. An easy and clear win for dandelions.
Looking at the minerals tells a similar story; dandelion greens have much more calcium, copper, iron, magnesium, phosphorus, potassium, and zinc, while collard greens have slightly more manganese. Another overwhelming win for dandelions.
One more category, polyphenols. We’d be here until next week if we listed all the polyphenols that dandelion greens have, but suffice it to say, dandelion greens have a total of 385.55mg/100g polyphenols, while collard greens have a total of 0.08mg/100g polyphenols. Grabbing a calculator, we see that this means dandelions have more than 4819x the polyphenol content that collard greens do.
So, “eat leafy greens” is great advice, but they are definitely not all created equal!
Let us take this moment to exhort: if you have any space at home where you can grow dandelions, grow them!
Not only are they great for pollinators, but also they beat the collard greens that beat kale. And you can have as much as you want, for free, right there.
Want to learn more?
You might like to read:
Collard Greens vs Kale – Which is Healthier?
Enjoy!
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The Ultimate Booster
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Winning The Biological Arms Race
The human immune system (and indeed, other immune systems, but we are all humans here, after all) is in a constant state of war with pathogens, and that war is a constant biological arms race:
- We improve our defenses and destroy the attackers; the 1% of pathogens that survived now “know” how to counter that trick.
- The pathogens wreak havoc in our systems; the n% of us that survive now have immune systems that “know” how to counter that trick.
Vaccines are a mighty tool in our favor here, because they’re the technology that stops our n% from also being a very low number.
With vaccines, we can effectively pass on established defenses onto the population at large, as this cute video explains very well and very simply in 57 seconds:
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The problem with vaccines
The problem is that this accelerates the arms race. It’s like a chess game where we are able to respond to every move quickly (which is good for us), and/but this means passing the move over to our opponent sooner.
That problem’s hard to avoid, because the alternative has always been “let people die in much larger numbers”.
Traditional vs mRNA vaccines
A quick refresher before we continue to the big news of the day:
- Traditional vaccines use a disabled version of a pathogen to trigger an immune response that will teach the body to recognize the pathogen ready for when the full version shows up
- mRNA vaccines use a custom-made bit of genetic information to tell the body to make its own harmless fake pathogen and then respond to the harmless fake pathogen it made.
Note: this happens independently of the host’s DNA, so no, it does not change your DNA
See also: The Truth About Vaccines
Here’s a more detailed explainer (with a helpful diagram) using the COVID mRNA vaccine as an example:
Genome.gov | How does an mRNA vaccine work?
However, this still leaves us “chasing strains”, because as the pathogen (in this case, a virus) adapts, the vaccine has to be updated too, hence all the boosters.
This is a lot like a security update for your computer’s antivirus software. They’re annoying, but they do an important job.
No more “chasing strains”
The press conference soundbite on this sums it up well:
❝Scientists at UC Riverside have demonstrated a new, RNA-based vaccine strategy that is effective against any strain of a virus and can be used safely even by babies or the immunocompromised.❞
Read in full: Vaccine breakthrough means no more chasing strains
You may be wondering: what makes this one effective against any strain?
❝What I want to emphasize about this vaccine strategy is that it is broad.
It is broadly applicable to any number of viruses, broadly effective against any variant of a virus, and safe for a broad spectrum of people. This could be the universal vaccine that we have been looking for.
Viruses may mutate in regions not targeted by traditional vaccines. However, we are targeting their whole genome with thousands of small RNAs. They cannot escape this.❞
Importantly, this means it can be applied not just to one disease, let alone just one strain of COVID. Rather, it can be used for a wide variety of viruses that have similar viral functions—COVID / SARS in general, including influenza, and even viruses such as dengue.
How it does this: the above article explains in more detail, but in few words: it targets tiny strings of the genome that are present in all strains of the virus.
Illustrative example: if you wanted to block 10almonds (please don’t), you could block our email address.
But if we were malicious (we’re not) we could be sneaky and change it, so you’d have to block the new one, and the cycle repeats.
But if you were block all emails containing the tiny string of characters “10almonds”, changing our email address would no longer penetrate your defenses.
Now imagine also blocking strings such as “One-Minute Book Review” and “Today’s almonds have been activated by” and other strings we use in every email.
Now multiply this by thousands of strings (because genomes are much larger than our little newsletter), and you see its effectiveness!
Great! How can I get this?
It’s still in the testing stages for now; this is “breaking news” science, after all.
The study itself
…is paywalled for now, sadly, but if you happen to have institutional access, here it is:
Take care!
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Why STIs Are On The Rise In Older Adults
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Three Little Words
Sexually Transmitted Infections (STIs) are often thought of as something that predominantly plagues younger people… The truth, however, is different:
❝Rising divorce rates, forgoing condoms as there is no risk of pregnancy, the availability of drugs for sexual dysfunction, the large number of older adults living together in retirement communities, and the increased use of dating apps are likely to have contributed to the growing incidence of STIs in the over-50s.
These data likely underestimate the true extent of the problem as limited access to sexual health services for the over 50s, and trying to avoid the stigma and embarrassment both on the part of older people and healthcare professionals, is leading to this age group not seeking help for STIs.❞
Read more: Managing The Rise In STIs Among Older Adults
That said, there is a gender gap when it comes to the increased risk, for example:
❝A retrospective study from the USA involving 420,790 couples aged 67 to 99 years, found that widowhood was associated with an increased risk of STIs in older men, but not women❞
~ US Dept of Health & Human Services
Source: CDC: | Sexually Transmitted Disease Surveillance
Is abstinence the best preventative, then?
It is inarguably the most effective, but not necessarily the best for everyone.
This is because for most adults, a healthy sex life is an important part of overall wellbeing.
See also: Mythbusting The Big O
Even in this case there is a gender gap in:
- the level of importance placed on frequency of sexual interactions
- what act(s) of sexuality are held to be most important:
❝Among sexually active men, frequent (≥2 times a month) sexual intercourse (P < .001) and frequent kissing, petting, or fondling (P < .001) were associated with greater enjoyment of life.
Among sexually active women, frequent kissing, petting, or fondling was also associated with greater enjoyment of life (P < .001), but there was no significant association with frequent intercourse (P = .101).
Concerns about one’s sex life and problems with sexual function were strongly associated with lower levels of enjoyment of life in men and to a lesser extent in women.❞
Source: Sexual Activity is Associated with Greater Enjoyment of Life in Older Adults
If you have the time to go into it much more deeply, this paper from the Journal of Gerontology is much more comprehensive, looking also at related lifestyle factors, religious/political backgrounds, views on monogamy or non-monogamy (of various kinds), hormonal considerations, the impact of dementia or other long-term disabilities that may affect things, widowhood, and many other elements:
The National Social Life, Health, and Aging Project: An Introduction
What’s the best preventative, then?
Regular health screening for yourself and your partner(s) is an important key to preventative health when it comes to STIs.
You can Google search for a local STI clinic, and worry not, they are invariably discreet and are well-used to everybody coming in. They’re just glad you’re being responsible about things. It’s also not their job to judge your sexual activities, even if it’s something you might have reason to wish to be secretive about, try to be honest there.
Secondly, most of the usual advice about safe sex still goes, even when there’s no risk of pregnancy. For example, if there’s at least one penis involved, then condoms remain the #1 barrier to all manner of potential infections (we know, almost nobody likes condoms, but sometimes the truth isn’t what we want to hear).
Lastly, if there’s at least one vagina involved, then please for the love of all that is holey, do not put anything there that could cause a yeast infection.
What can cause a yeast infection? Pretty much anything with sugar, which includes but is not limited to:
- Most kinds of food that Cosmo-style “liven things up in the bedroom” advice columns might suggest using (including fruit, honey, chocolate sauce, whipped cream, etc)
- Hands that are not clean (watch out for bacteria too)
- A mouth that has recently been eating or drinking anything with sugar in it, and that includes many kinds of alcohol, as well as milk or hot drinks that had milk in
Yeast infections are not nearly so serious as the STIs the other measures are there to avoid, but they’re not fun either, so some sensible policies in that regard are always good!
On a related note, see also: How To Avoid UTIs
Recap on the single most important part of this article:
At all ages, it remains a good health practice—unless one is absolutely celibate—to regularly get oneself and one’s partner(s) checked for STIs.
Take care!
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Dr. Suzanne Steinbaum’s Heart Book – by Dr. Suzanne Steinbaum
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The book is divided into three parts:
- What you should know
- What you should do
- All about you
This is a very useful format, since it lays out all the foundational knowledge, before offering practical advice and “how to” explanations, before finally wrapping up with personalizing things.
The latter is important, because while our basic risk factors can be assembled in a few lines of data (age, sex, race, genes, diet, exercise habits, etc) there’s a lot more to us than that, and oftentimes the data that doesn’t make the cut, makes the difference. Hormones on high on this list; we can say that a person is a 65-year-old woman and make a guess, but that’s all it is: a guess. Very few of us are the “average person” that statistical models represent accurately. And nor are social and psychological factors irrelevant; in fact often they are deciding factors!
So, it’s important to be able to look at ourselves as the whole persons we are, or else we’ll get a heart-healthy protocol that works on paper but actually falls flat in application, because the mathematical model didn’t take into account that lately we have been very stressed about such-and-such a thing, and deeply anxious about so-and-so, and a hopefully short-term respiratory infection has reduced blood oxygen levels, and all these kinds of things need to be taken into account too, for an overall plan to work.
The greatest strength of this book is that it attends to that.
The style of the book is a little like a long sales pitch (when all that’s being sold, by the way, is the ideas the book is offering; she wants you to take her advice with enthusiasm), but there’s plenty of very good information all the way through, making it quite worth the read.
Bottom line: if you’re a woman and/or love at least one woman, then you can benefit from this important book for understanding heart health that’s not the default.
Click here to check out Dr. Suzanne Steinbaum’s Heart Book, and enjoy a heart-healthy life!
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The Plant-Based Athlete – by Matt Frazier and Robert Cheeke
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If you’re already a seasoned plant-based athlete yourself, you can probably skip this book; the 60 recipes at the end would still provide value, but there is the “No Meat Athlete Cookbook” that you could hop straight to, in any case.
For most readers, there will be plenty of value from start to finish. We get a quick ground-up tour of nutrition basics, before getting into restructuring diet to optimize it for performance.
There is less in the way of “Vegans struggle with…” and more in the way of “People think vegans struggle with…” and explanations of what vegan athletes actually eat. The book does include science, but isn’t too science-heavy, and relies more on modelling what plant-based superathletes enjoy on a daily basis.
To that end,if the book has a weak point, it’s perhaps that it could have stood to include more science. The book comes recommended by Dr. Michael Greger, whose nutritional approach is incredibly science-heavy and well-referenced, and this book is obviously compatible with that (so they could have!), but in this case Frazier and Cheeke leave us to take their word for it.
Nevertheless, the science is good whether they cite it or not, and this book is quite a comprehensive primer of plant-based athleticism.
Bottom line: if you’re wondering how to optimize the two goals of “eating plants” and “being a powerful athlete”, then this one’s the book for you.
Click here to check out The Plant-Based Athlete and upgrade your health and athletic performance!
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When Did You Last Have a Cognitive Health Check-Up?
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When Did You Last Have a Cognitive Health Check-Up?
Regular health check-ups are an important part of a good health regime, especially as we get older. But after you’ve been prodded, probed, sampled and so forth… When did you last have a cognitive health check-up?
Keeping on top of things
In our recent Monday Research Review main feature about citicoline, we noted that it has beneficial effects for a lot of measures of cognitive health.
And that brought us to realize: just how on top of this are we?
Your writer here today could tell you what her sleep was like on any night in the past year, what her heart rate was like, her weight, and all that. Moods too! There’s an app for that. But cognitive health? My last IQ test was in 2001, and I forget when my last memory test was.
It’s important to know how we’re doing, or else how to we know if there has been some decline? We’ve talked previously about the benefits of brain-training of various kinds to improve cognition, so in some parts we’ll draw on the same resources today, but this time the focus is on getting quick measurements that we can retest regularly (mark the calendar!)
Some quick-fire tests
These tests are all free, quick, and accessible. Some of them will try to upsell you on other (i.e. paid) services; we leave that to your own discretion, but the things we’ll be using today are free.
Test your verbal memory
This one’s a random word list generator. It defaults to 12 words, but you can change that if you like. Memorize the words, and then test yourself by seeing how many you can write down from memory. If it gets too easy, crank up the numbers.
Test your visual memory
This one’s a series of images; the test is to click to say whether you’ve seen this exact image previously in the series or not.
Test your IQ
This one’s intended to be general purpose intelligence; in reality, IQ tests have their flaws too, but it’s not a bad metric to keep track of. Just don’t get too hung up on the outcome, and remember, your only competition is yourself!
Test your attention / focus
This writer opened this and this three other attention tests (to get you the best one) before getting distracted, noting the irony, and finally taking the test. Hopefully you can do better!
Test your creativity
This one’s a random object generator. Give yourself a set period of time (per your preference, but make a note of the time you allow yourself, so that you can use the same time period when you retest yourself at a later date) in which to list as many different possible uses for the item.
Test your musical sense
This one’s a pitch recognition test. So, with the caveat that it is partially testing your hearing as well as your cognition, it’s a good one to take and regularly retest in any case.
How often should you retest?
There’s not really any “should” here, but to offer some advice:
- If you take them too often, you might find you get bored of doing so and stop, essentially burning out.
- If you don’t take them regularly, you may forget, lose this list of tests, etc.
- Likely a good “sweet spot” is quarterly or six-monthly, but there’s nothing wrong with testing annually either.
It’s all about the big picture, after all.
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Can You Pass This 10-Second Walking Test?
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This 10-second walking test should actually only take about 4 seconds, but it’s very important:
Stepping into good health
Set up a 12ft walkway (it doesn’t have to be anything special, just a flat floor on which you can walk in a straight line for about 12ft). Walk at a normal pace while timing yourself, and if it takes longer than about 4 seconds to walk that distance, then your walking speed is in a risk zone for future loss of independence.
Why walking speed matters: slower walking, especially after age 60, strongly predicts falls, fatigue, and declining independence, often before people realize there’s a problem.
So, what causes slow walking speed? Weak calves, stiff hips, and weak glutes are the three most common and most fixable reasons walking speed drops with age. Of those,
- Weak glutes: the gluteus maximus provides push-off power and upright stability, and when it isn’t firing, walking feels flat, slow, and draining.
- Weak calves: calves act as your walking engine, and when they weaken, pushing forwards feels harder, balance worsens, and walking becomes slower and more tiring.
- Stiff hips: tight hip flexors shorten your stride, making walking slower and more effortful, with prolonged sitting being the biggest contributor.
So, what to do about it?
- Prone glute training: lie on your front, gently squeeze your glutes, lift one leg slightly while keeping your lower back relaxed, then lower with control to target your glutes rather than your spine.
- Single-leg donkey calf raise: lean forwards with your hands on a chair or counter, lift one foot, and repeatedly push up onto your tiptoes and lower with control, using both legs if balance feels unsafe.
- Skateboard swings: no skateboard necessary; just stand holding a support, keep your back upright, place your weight on one leg, and swing the free leg forwards and backwards in a controlled motion to restore hip extension.
For more on all of this plus visual demonstrations, enjoy:
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Want to learn more?
You might also like:
90% Of People Over 50 Fail This Balance Test. Will You?
Take care!
Don’t Forget…
Did you arrive here from our newsletter? Don’t forget to return to the email to continue learning!
Learn to Age Gracefully
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