Clams vs Oysters – Which is Healthier?
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Our Verdict
When comparing clams to oysters, we picked the clams.
Why?
Considering the macros first, clams have more than 2x the protein, while oysters have nearly 2x the fat, of which, a little over 5x the saturated fat. So, in all accounts, clam is the winner here.
In terms of vitamins, clams have more of vitamins A, B1, B2, B3, B5, B6, B7, B9, B12, and C, while oysters are not higher in any vitamins. Another win for clams.
The category of minerals is more balanced; clams are higher in manganese, phosphorus, potassium, and selenium, while oysters are higher in copper, iron, magnesium, and zinc. This makes for a 4:4 tie, though it’s worth noting that the margin of difference for zinc is very large, so that can be an argument for oysters.
Nevertheless, adding up the sections makes for a clear win for clams.
A quick aside on “are oysters an aphrodisiac?”:
That zinc content is probably largely responsible for oysters’ reputation as an aphrodisiac, and zinc is important in the synthesis of both estrogen and testosterone. However, as the synthesis is not instant, and those sex hormones rise most in the morning (around 8am to 9am), to enjoy aphrodisiac benefits it’d be more sensible, on a biochemical level, to eat oysters one day, and then have morning sex the next day when those hormones are peaking. That said, while testosterone is the main driver of male libido, progesterone is usually more relevant for women’s, and unlike estrogen, progesterone usually peaks around 10pm to 2am, and is uninfluenced by having just eaten oysters.
So, in what way, if any, could oysters be responsible for libido in women? Well, the zinc is still important in energy metabolism, so that’s a factor, and also, we might hypothesize that oysters’ high saturated fat and cholesterol content may increase blood pressure which, while not fabulous for the health in general, may be considered desirable in the bedroom since the clitoris is anatomically analogous to the penis, and—while estrogen vs testosterone makes differences to the nervous system down there that are beyond the scope of today’s article—also enjoys localized increased blood pressure (and thus, a flushing response and resultant engorgement) during arousal.
Want to learn more?
You might like to read:
Does Eating Shellfish Really Contribute To Gout? ← short answer is: it can if consumed frequently over a long period of time, but that risk factor is greatly overstated, compared to some other risk factors
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Endure – by Alex Hutchinson
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Life is a marathon, not a sprint. For most of us, at least. But how do we pace ourselves to go the distance, without falling into complacency along the way?
According to our author Alex Hutchinson, there’s a lot more to it than goal-setting and strategy.
Hutchinson set out to write a running manual, and ended up writing a manual for life. To be clear, this is still mostly centered around the science of athletic endurance, but covers the psychological factors as much as the physical… and notes how the capacity to endure is the key trait that underlies great performance in every field.
The writing style is both personal and personable, and parts read like a memoir (Hutchinson himself being a runner and sports journalist), while others are scientific in nature.
As for the science, the kind of science examined runs the gamut from case studies to clinical studies. We examine not just the science of physical endurance, but the science of psychological endurance too. We learn about such things as:
- How perception of ease/difficulty plays its part
- What factors make a difference to pain tolerance
- How mental exhaustion affects physical performance
- What environmental factors increase or lessen our endurance
- …and many other elements that most people don’t consider
Bottom line: whether you want to run a marathon in under two hours, or just not quit after one minute forty seconds on the exercise bike, or to get through a full day’s activities while managing chronic pain, this book can help.
Click here to check out Endure, and find out what you are capable of when you move your limits!
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Body Image Dissatisfaction/Appreciation Across The Ages
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Every second news article about body image issues is talking about teens and social media use, but science tells a different story.
A large (n=1,327) study of people of mixed genders aged 16–88 examined matters relating to people’s body image, expecting…
❝We hypothesized that body dissatisfaction and importance of appearance would be higher in women than in men, that body dissatisfaction would remain stable across age in women, and that importance of appearance would be lower in older women compared to younger women. Body appreciation was predicted to be higher in men than in women.❞
As they discovered, only half of that turned out to be true:
❝In line with our hypotheses, body dissatisfaction was higher in women than in men and was unaffected by age in women, and importance of appearance was higher in women than in men.
However, only in men did age predict a lower level of the importance of appearance. Compared to men, women stated that they would invest more hours of their lives to achieve their ideal appearance.
Contrary to our assumption, body appreciation improved and was higher in women across all ages than in men.❞
You can read the study in full here:
That’s a lot of information, and we don’t have the space to go into all parts of it here, fascinating as that would be. So we’re going to put two pieces of information (from the above) next to each other:
- body dissatisfaction was higher in women than in men and was unaffected by age in women
- body appreciation improved and was higher in women across all ages than in men
…and resolve this apparent paradox.
Dissatisfied appreciation
How is it that women are both more dissatisfied with, and yet also more appreciative of, their bodies?
The answer is that we can have positive and negative feelings about the same thing, without them cancelling each other out. In short, simply, feeling more feelings about it.
Whether the gender-related disparity in this case comes more from hormones or society could be vigorously debated, but chances are, it’s both. And, for our gentleman-readers, note that the principle still applies to you, even if scaled down on average.
Call to action:
- be aware of the negative feelings of body dissatisfaction
- focus on the positive feelings of body appreciation
While in theory both could motivate us to action, in reality, the former will tend to inform us (about what we might wish to change), while the latter will actually motivate us in a useful way (to do something positive about it).
This is because the negative feelings about body image tend to be largely based in shame, and shame is a useless motivator (i.e., it simply doesn’t work) when it comes to taking positive actions:
Why Shame Only Works Negatively
You can’t hate yourself into a body you love
That may sound like a wishy-washy platitude, but given the evidence on how shame works (and doesn’t), it’s true.
Instead, once you’ve identified the things about your body with which you’re dissatisfied, you can then assess:
- what can reasonably be changed
- whether it is important enough to you to change it
- how to go about usefully changing it
While weight issues are perhaps the most commonly-discussed body image consideration, to the point that often all others get forgotten, let’s look at something that’s generally more specific to adults, and also a very common cause of distress for women and men alike: hair loss/thinning.
If your hair is just starting to thin and fall, then if this bothers you, there’s a lot that can be done about it quite easily, but (and this is important) you have to love yourself enough to actually do it. Merely feeling miserable about it, and perhaps like you don’t deserve better, or that it is somehow a personal failing on your part, will not help.
If your hair has been gone for years, then chances are you’ve made your peace with this by now, and might not even take it back if a fairy godmother came along and offered to restore it magically. On the other hand, let’s say that you’re just coming out the other end of a 10-year-long depression, and perhaps you let a lot of things go that you now wish you hadn’t, and maybe your hair is one of them. In this case, now you need to decide whether getting implants (likely the only solution at this late stage) is worth it.
Note that in both cases, whatever the starting point and whether the path ahead is easy or hard, the person who has dissatisfaction and/but still values themself and their body will get what they need.
In contrast, the person who has dissatisfaction and does not value themself and their body, will languish.
The person without dissatisfaction, of course, probably already has what they need.
In short: identification of dissatisfaction + love and appreciation of oneself and one’s body → motivation to usefully take action (out of love, not hate)
Now, dear reader, apply the same thinking to whatever body image issues you may have, and take it from there!
Embodiment
A quick note in closing: if you are a person with no body dissatisfactions, there are two main possible reasons:
- You are genuinely happy with your body in all respects. Congratulations!
- You have disassociated from your body to such an extent that it’s become a mere vehicle to you and you don’t care about it.
This latter may seem like a Zen-level win, but in fact it’s a warning sign for depression, so please do examine that even if you don’t “feel” depressed (depression is often characterized by a lack of feelings), perhaps by taking the (very quick) free PHQ9 Test ← under 2 minutes; immediate results; industry-standard diagnostic tool
Take care!
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Your Brain Is Always Listening – by Dr. Daniel Amen
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There are a lot of books on Cognitive Behavioral Therapy (CBT), so what makes this one different?
While many CBT books have a focus (as this one also does) on controlling Automatic Negative Thoughts (ANTs), this one stands out in two ways:
Firstly: Dr. Amen, a medical doctor and psychiatrist, looks not just as the thoughts and feelings side of things… but also the neurological underpinnings. This makes a difference because it gives a much more tangible handle on some of the problems that we might face.
We wouldn’t tell someone with Type 1 Diabetes that they are “just blaming their pancreas” for blood sugar woes. So what’s with the notion of “this person is just blaming their brain”? Why would be harder on ourselves (or others) for having amygdalae that are a little out of whack, or a sluggish prefrontal cortex, or an overactive anterior cingulate gyrus?
So, Dr. Amen’s understanding and insights help us look at how we can give those bits of brain what they need to perk them up or calm them down.
Secondly, rather than picture-perfect easily-solved neat-and-tidy made-up scenarios as illustrations, he uses real (messy, human) case studies.
This means that we get to see how the methods advised work in the case of, for example, a business executive who has a trauma response to public speaking, because at the age of 12 he had to stand in court and argue for why his father should not receive the death penalty.
Bottom line: if these methods can ease situations like that, maybe we can apply them usefully in our own lives, too.
Click here to check out Your Brain Is Always Listening, and take control of yours!
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Why are people on TikTok talking about going for a ‘fart walk’? A gastroenterologist weighs in
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“Fart walks” have become a cultural phenomenon, after a woman named Mairlyn Smith posted online a now-viral video about how she and her husband go on walks about 60 minutes after dinner and release their gas.
Smith, known on TikTok as @mairlynthequeenoffibre and @mairlynsmith on Instagram, has since appeared on myriad TV and press interviews extolling the benefits of a fart walk. Countless TikTok and Instagram users and have now shared their own experiences of feeling better after taking up the #fartwalk habit.
So what’s the evidence behind the fart walk? And what’s the best way to do it?
CandyBox Images/Shutterstock Exercise can help get the gas out
We know exercise can help relieve bloating by getting gas moving and out of our bodies.
Researchers from Barcelona, Spain in 2006 asked eight patients complaining of bloating, seven of whom had irritable bowel syndrome, to avoid “gassy” foods such as beans for two days and to fast for eight hours before their study.
Each patient was asked to sit in an armchair, in order to avoid any effects of body position on the movement of gas. Gas was pumped directly into their small bowel via a thin plastic tube that went down their mouth, and the gas expelled from the body was collected into a bag via a tube placed in the rectum. This way, the researchers could determine how much gas was retained in the gut.
The patients were then asked to pedal on a modified exercise bike while remaining seated in their armchairs.
The researchers found that much less gas was retained in the patients’ gut when they exercised. They determined exercise probably helped the movement and release of intestinal gas.
Walking may have another bonus; it may trigger a nerve reflex that helps propel foods and gas contents through the gut.
Walking can also increase internal abdominal pressure as you use your abdominal muscles to stay upright and balance as you walk. This pressure on the colon helps to push intestinal gas out.
Proper fart walk technique
One study from Iran studied the effects of walking in 94 individuals with bloating.
They asked participants to carry out ten to 15 minutes of slow walking (about 1,000 steps) after eating lunch and dinner. They filled out gut symptom questionnaires before starting the program and again at the end of the four week program.
The researchers found walking after meals resulted in improvements to gut symptoms such as belching, farting, bloating and abdominal discomfort.
Now for the crucial part: in the Iranian study, there was a particular way in which participants were advised to walk. They were asked to clasp hands together behind their back and to flex their neck forward.
The clasped hands posture leads to more internal abdominal pressure and therefore more gentle squeezing out of gas from the colon. The flexed neck posture decreases the swallowing of air during walking.
This therefore is the proper fart walk technique, based on science.
Could walking with your hands behind your back yield better or more farts? candy candy/Shutterstock What about constipation?
A fart walk can help with constipation.
One study involved middle aged inactive patients with chronic constipation, who did a 12 week program of brisk walking at least 30 minutes a day – combined with 11 minutes of strength and flexibility exercises.
This program, the researchers found, improved constipation symptoms through reduced straining, less hard stools and more complete evacuation.
It also appears that the more you walk the better the benefits for gut symptoms.
In patients with irritable bowel syndrome, one study increasing the daily step count to 9,500 steps from 4,000 steps led to a 50% reduction in the severity of their symptoms.
And just 30 minutes of a fart walk has been shown to improve blood sugar levels after eating.
Walking after eating can help keep your blood sugar levels under control. IndianFaces/Shutterstock What if I can’t get outside the house?
If getting outside the house after dinner is impossible, could you try walking slowly on a treadmill or around the house for 1,000 steps?
If not, perhaps you could borrow an idea from the Barcelona research: sit back in an armchair and pedal using a modified exercise bike. Any type of exercise is better than none.
Whatever you do, don’t be a couch potato! Research has found more leisure screen time is linked to a greater risk of developing gut diseases.
We also know physical inactivity during leisure time and eating irregular meals are linked to a higher risk of abdominal pain, bloating and altered bowel motions.
Try the fart walk today
It may not be for everyone but this simple physical activity does have good evidence behind it. A fart walk can improve common symptoms such as bloating, abdominal discomfort and constipation.
It can even help lower blood sugar levels after eating.
Will you be trying a fart walk today?
Vincent Ho, Associate Professor and clinical academic gastroenterologist, Western Sydney University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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What Are Nootropics, Really?
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What are nootropics, really?
A nootropic is anything that functions as a cognitive enhancer—in other words, improves our brainpower.
These can be sensationalized as “smart drugs”, misrepresented excitingly in science fiction, meme-ified in the mundane (“but first, coffee”), and reframed entirely, (“exercise is the best nootropic”).
So, clearly, “nootropics” can mean a lot of different things. Let’s look at some of the main categories…
The neurochemical modulators
These are what often get called “smart drugs”. They are literally drugs (have a chemical effect on the body that isn’t found in our diet), and they affect the levels of certain neurotransmitters in the brain, such as by:
- Adding more of that neurotransmitter (simple enough)
- Decreasing the rate at which we lose that neurotransmitter (re-uptake inhibitors)
- Antagonizing an unhelpful neurotransmitter (doing the opposite thing to it)
- Blocking an unhelpful neurotransmitter (stopping the receptors from receiving it)
“Unhelpful” here is relative and subjective, of course. We need all the neurotransmitters that are in our brain, after all, we just don’t need all of them all the time.
Examples: modafinil, a dopamine re-uptake inhibitor (mostly prescribed for sleep disorders), reduces the rate at which our brains scrub dopamine, resulting in a gradual build-up of dopamine that we naturally produced, so we get to enjoy that dopamine for longer. This will tend to promote wakefulness, and may also help with problem-solving and language faculties—as well as giving a mood boost. In other words, all things that dopamine is used for. Mirtazaрine, an adrenoreceptor agonist (mostly prescribed as an antidepressant), increases noradrenergic neurotransmission, thus giving many other brain functions a boost.
Why it works: our brains need healthy levels of neurotransmitters, in order to function well. Those levels are normally self-regulating, but can become depleted in times of stress or fatigue, for example.
The metabolic brain boosters
These are the kind of things that get included in nootropic stacks (stack = a collection of supplements and/or drugs that complement each other and are taken together—for example, a multivitamin tablet could be described as a vitamin stack) even though they have nothing specifically relating them to brain function. Why are they included?
The brain needs so much fuel. Metabolically speaking, it’s a gas-guzzler. It’s the single most resource-intensive organ of our body, by far. So, metabolic brain boosters tend to:
- Increase blood flow
- Increase blood oxygenation
- Increase blood general health
- Improve blood pressure (this is relative and subjective, since very obviously there’s a sweet spot)
Examples: B-vitamins. Yep, it can be that simple. A less obvious example might be Co-enzyme Q10, which supports energy production on a cellular level, and good cardiovascular health.
Why it works: you can’t have a healthy brain without a healthy heart!
We are such stuff as brains are made of
Our brains are made of mostly fat, water, and protein. But, not just any old fat and protein—we’re at least a little bit special! So, brain-food foods tend to:
- Give the brain the fats and proteins it’s made of
- Give the brain the stuff to make the fats and proteins it’s made of (simpler fats, and amino acids)
- Give the brain hydration! Just having water, and electrolytes as appropriate, does this
Examples: healthy fats from nuts, seeds, and seafood; also, a lot of phytonutrients from greens and certain fruits. Long-time subscribers may remember our article “Brain Food: The Eyes Have It!” on the importance of dietary lutein in reducing Alzheimer’s risk, for example
Why it works: this is matter of structural upkeep and maintenance—our brains don’t work fabulously if deprived of the very stuff they’re made of! Especially hydration is seriously underrated as a nootropic factor, by the way. Most people are dehydrated most of the time, and the brain dehydrates quickly. Fortunately, it rehydrates quickly as well when we take hydrating liquids.
Weird things that sound like ingredients in a witch’s potion
These are too numerous and too varied in how they work to cover here, but they do appear a lot in nootropic stacks and in popular literature on the subject.
Often they work by one of the mechanisms described above; sometimes we’re not entirely sure how they work, and have only measured their effects sufficiently to know that, somehow, they do work.
Examples: panax ginseng is one of the best-studied examples that still remains quite mysterious in many aspects of its mechanism. Lion’s Mane (the mushroom, not the jellyfish or the big cat hairstyle), meanwhile, is known to contain specific compounds that stimulate healthy brain cell growth.
Why it works: as we say, it varies so much from on ingredient to another in this category, so… Watch out for our Research Review Monday features, as we’ll be covering some of these in the coming weeks!
(PS, if there’s any you’d like us to focus on, let us know! We always love to hear from you. You can hit reply to any of our emails, or use the handy feedback widget at the bottom)
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Finish What You Start – by Peter Hollins
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For some people, getting started is the problem. For others of us, getting started is the easy part! We just need a little help not dropping things we started.
There are summaries at the starts and ends of sections, and many “quick tips” to get you back on track.
As a taster: one of these is “temptation bundling“, combining unpleasant things with pleasant. A kind of “spoonful of sugar” approach.
Hollins also discusses hyperbolic discounting (the way we tend to value rewards according to how near they are, and procrastinate accordingly). He offers a tool to overcome this, too, the “10–10–10 rule“.
Also dealt with is “the preparation trap“, and how to know when you have enough information to press on.
For a lot of us, the places we’re most likely to drop a project is 20% in (initial enthusiasm wore off) or 80% in (“it’s nearly done; no need to worry about it”). Those are the times when the advices in this book can be particularly handy!
All in all, a great book for seeing a lot of things to completion.
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