Walking… Better.
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Walking… Better.
We recently reviewed “52 Ways To Walk” by Annabel Streets. You asked us to share some more of our learnings from that book, and… Obviously we can’t do all 52, nor go into such detail, but here are three top tips inspired by that book…
Walk in the cold!
While cold weather is often seen as a reason to not walk, in fact, it has numerous health benefits, the most exciting of which might be:
Walking in the cold causes us to convert white and yellow fat into the healthier brown fat. If you didn’t know about this, neither did scientists until about 15 years ago.
In fact, scientists didn’t even know that adult humans could even have brown adipose tissue! It was really quite groundbreaking.
In case you missed it: The Changed Metabolic World with Human Brown Adipose Tissue: Therapeutic Visions
Work while you walk!
Obviously this is only appropriate for some kinds of work… but if in your life you have any kind of work that is chiefly thinking, a bunch of it can be done while walking.
Open your phone’s note-taking app, lock the screen and pocket your phone, and think on some problem that you need to solve. Whenever you have an “aha” moment, take out your phone and make a quick note on the go.
For that matter, if you have the money and space (or are fortunate to have an employer disposed towards facilitating such), you could even set up a treadmill desk… At worst, it wouldn’t harm your work (and it’ll be a LOT better than sitting for so long).
Walk within an hour of waking!
No, this doesn’t mean that if you don’t get out of the house within 60 minutes you say “Oh no, missed the window, guess it’s a day in today”
But it does mean: in the evening, make preparations to head out first thing in the morning. Set out your clothes and appropriate footwear, find your flask to fill with the beverage of your choice in the morning and set that with them.
Then, when morning arrives… do your morning necessaries (e.g. some manner of morning ablutions and perhaps a light breakfast), make that drink for your flask, and hit the road.
Why? We’ll tell you a secret:
You ever wondered why some people seem to be more able to keep a daylight-regulated circadian rhythm than others? It’s not just about smartphones and coffees…
This study found that getting sunlight (not electric light, not artificial sunlight, but actual sunlight, from the sun, even if filtered through partial cloud) between 08:30—09:00 resulted in higher levels of a protein called PER2. PER2 is critical for setting circadian rhythms, improving metabolism, and fortifying blood vessels.
Besides, on a more simplistic level, it’s also a wonderful and energizing start to a healthy and productive day!
Read: Beneficial effects of daytime light exposure on daily rhythms, metabolic state and affect
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Increase Your Muscle Mass Boost By 26% (No Extra Effort, No Supplements)
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You’ve probably seen this technology advertised, but the trick is in how it’s used (which is not how most people use it).
It’s about neuromuscular electrical stimulation (NMES), also called electrical muscle stimulation (EMS); in other words, those squid-like electrode kits that promise “six-pack abs without exercise”, by stimulating the muscles for you—using the exact same tech as for transcutaneous electrical nerve stimulation (TENS), for pain relief.
Do they work for pain relief? Yes, for many people in any case. But that’s beyond the scope of today’s article.
Do they work for building muscles as advertised? No. The limiting factor is that they can’t fully exert the muscles in the same way actual exercise can, because of the limitations to how much electrical current can safely be applied.
However…
The cyborgization of your regular workout
A meta-analysis of 13 studies compared two [meta-]groups of exercisers:
- Group 1 doing conventional resistance training
- Group 2 doing the same resistance training, plus NMES at the same time (specifically: NMES of the same muscles being used in the workout)
The analysis had two output variables: strength and muscle mass
What they found: group 2 enjoyed more than 31% greater strength gains, and 26% greater muscle mass gains, from the same training over the same period of time.
Of course, one of the biggest challenges to strength gain and muscle mass gain is hitting a plateau, so it’s worth noting that when they looked at training periods ranging from 2 weeks to 16 weeks, longer durations yielded better results—it is, it seems, the gift that keeps on giving.
You can find the paper here (which also explains how they analysed data from 13 different studies to get one coherent set of results):
How it works and why it matters
While the paper itself does not go into how it works, a reasonable hypothesis is that it works by “confusing” the muscles—because they are receiving mixed signals (one set from your brain, one set from the electrodes), with fast- and slow-twitch muscle fibers both working at the same time.
Another way to “confuse” the muscles is by High Intensity [Interval] Resistance Training (HIRT)—which is basically High Intensity Interval Training (HIIT), but for resistance training specifically.
See: How To Do HIIT (Without Wrecking Your Body) and HIIT, But Make It HIRT
Now, we want to confuse our muscles, not our readers, so if that’s all too much to juggle at once, just pick one and go with it. But today’s article is about the RT+NEMS combination, so perhaps you’ll pick that.
Why it matters: as we get older, sarcopenia (the loss of muscle mass) becomes more of an issue, and even if we’re not inclined to a career in bodybuilding, we do still need to at least maintain a healthy muscle mass because:
- Strong muscles improve our stability and make us less likely to fall
- Strong muscles force the body to build strong bones to hold them on, which means lower risk of fractures or worse
- Muscle mass itself improves the body’s basal metabolic rate, which means systemic benefits to the whole body (including against metabolic diseases especially)
See also: Resistance Is Useful! (Especially As We Get Older)
Want to try it?
If you don’t already have a NMES/EMS/TENS kit lying around the house, here’s an example product on Amazon—remember to use it simultaneously with your regular resistance training workout, on the same muscles at the same time, to get the benefit we talked about! 😎
Enjoy!
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Top 5 Anti-Aging Exercises
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There are some exercises that get called such things as “The King of Exercises!”, but how well-earned is that title and could it be that actually a mix of the top few is best?
The Exercises
While you don’t have to do all 5, your body will thank you if you are able to:
- Plank: strengthens most of the body, and can reduce back pain while improving posture.
- Squats: another core-strengthening exercise, this time with an emphasis on the lower body, which makes for strong foundations (including strong ankles, knees, and hips). Improves circulation also, and what’s good for circulation is good for the organs, including the brain!
- Push-ups: promotes very functional strength and fitness; great for alternating with planks, as despite their similar appearance, they work the abs and back more, respectively.
- Lunges: these are great for lower body strength and stability, and doing these greatly reduces the risk of falling.
- Glute Bridges: this nicely rounds off one’s core strength, increasing stability and improving posture, as well as reducing lower back pain too.
If the benefits of these seem to overlap a little, it’s because they do! But each does some things that the others don’t, so put together, they make for a very well-balanced workout.
For advice on how to do each of them, plus more about the muscles being used and the benefits, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
Take care!
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Mineral-Rich Mung Bean Pancakes
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Mung beans are rich in an assortment of minerals, especially iron, copper, phosphorus, and magnesium. They’re also full of protein and fiber! What better way to make pancakes healthy?
You will need
- ½ cup dried green mung beans
- ½ cup chopped fresh parsley
- ½ cup chopped fresh dill
- ¼ cup uncooked wholegrain rice
- ¼ cup nutritional yeast
- 1 tsp MSG, or 2 tsp low-sodium salt
- 2 green onions, finely sliced
- 1 tbsp extra virgin olive oil
Method
(we suggest you read everything at least once before doing anything)
1) Soak the mung beans and rice together overnight.
2) Drain and rinse, and blend them in a blender with ¼ cup of water, to the consistency of regular pancake batter, adding more water (sparingly) if necessary.
3) Transfer to a bowl and add the rest of the ingredients except for the olive oil, which latter you can now heat in a skillet over a medium-high heat.
4) Add a few spoonfuls of batter to the pan, depending on how big you want the pancakes to be. Cook on both sides until you get a golden-brown crust, and repeat for the rest of the pancakes.
5) Serve! As these are savory pancakes, you might consider serving them with a little salad—tomatoes, olives, and cucumbers go especially well.
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Why You’re Probably Not Getting Enough Fiber (And How To Fix It)
- What’s The Deal With MSG?
- All About Olive Oils: Is “Extra Virgin” Worth It?
Take care!
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Brain Food? The Eyes Have It!
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Brain Food? The Eyes Have It!
This is Dr. Michael Greger, M.D. FACLM, of “Dr. Greger’s Daily Dozen” and “How Not To Die” fame, and he wants us to protect our brains (and while we’re at it, our eyesight).
And the secret is…
Lutein.
This is a carotenoid, which is super important for the eyes and brain. Not to be confused with carrots, which despite the name are usually not a good source of carotenoids!
They do however contain lots of beta-carotene, a form of vitamin A, but that (and the famous WW2-era myth born of deliberate disinformation by the British government) isn’t what we’re covering today.
We say “eyes and brain” but really, the eyes are just an extension of the brain in any case.
Pedantry aside, what Dr. Greger wants you to know about lutein is how important it is for the protection of your brain/eyes, both against cognitive decline and against age-related macular degeneration (the most common cause of eyesight loss in old age).
Important take-away info:
- Two things that hasten brain aging are inflammation and oxidative stress. Antioxidant and anti-inflammatory foods mitigate those.
- Researchers investigated eight different dietary antioxidants, including vitamins A and E. Only lutein was “significantly related to better cognition”.
- The macula in the middle of our retina is packed with lutein, and levels in the retina correspond to levels in the rest of our brain.
- Alzheimer’s patients have significantly less lutein in their eyes and in their blood, and a higher occurrence of macular degeneration.
- Dark green leafy vegetables are lutein superstars. A half cup of kale has 50 times more lutein than an egg.
Want to know more about the Dr. Greger’s Daily Dozen approach to health?
See the Website / Get the App (Android & iOS) / Get the Science Book / Get the Cookbook!
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NADᐩ Against Aging
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Nicotinamide adenine dinucleotide, or “NAD” to its friends, is a coenzyme produced in the human body (amongst other places), and it is critical for cellular energy metabolism, but there’s more to it than that.
Today we’ll be looking mostly at NAD+, of which the + indicates the positive formal charge of one of its nitrogen atoms. We won’t get too much into the chemistry of this, but we will mention that it’s a cofactor with NADH—the former accepting electrons and the latter donating electrons.
Both NAD+ and NADH are critical to good health, but we’re going to focus on NAD+ for the simple reason that it gets depleted with aging.
Note: it gets depleted with aging.
Chronological age is not so important here, but there is a direct relationship between biological aging and NAD+ depletion.
For example, healthy centenarians tend not to have depleted NAD+ levels. Further, its depletion (in those in whom it is depleted) is then a causal factor for many age-related diseases:
❝Remarkably, ageing is accompanied by a gradual decline in tissue and cellular NAD+ levels in multiple model organisms, including rodents and humans.
This decline in NAD+ levels is linked causally to numerous ageing-associated diseases, including cognitive decline, cancer, metabolic disease, sarcopenia and frailty.
Many of these ageing-associated diseases can be slowed down and even reversed by restoring NAD+ levels.❞
~ Dr. Rosalba Perrone et al.
Read in full: NAD+ metabolism and its roles in cellular processes during ageing
As for restoring those NADᐩ levels, that does help in interventional trials, whether by supplementing directly, or with NAD precursors*:
❝NAD+ levels steadily decline with age, resulting in altered metabolism and increased disease susceptibility.
Restoration of NAD+ levels in old or diseased animals can promote health and extend lifespan, prompting a search for safe and efficacious NAD-boosting molecules that hold the promise of increasing the body’s resilience, not just to one disease, but to many, thereby extending healthy human lifespan.❞
~ Dr. David Sinclair et al.
Read more: Therapeutic Potential of NAD-Boosting Molecules: The In Vivo Evidence
*There are actually also other NAD-boosting molecules besides NAD itself and its precursors. For example, the liver will not produce NADᐩ unless it has aminocarboxymuconate-semialdehyde decarboxylase (or “ACMSD”, to its friends), which limits the production of NADᐩ. Why, you ask? The theory is that it is a kind of evolutionary conservativism, much like not lighting a fire without the ability to put it out. In any case, taking ACMSD-blockers will thus result in an increased endogenous production of NADᐩ.
You can read about this here:
De novo NAD+ synthesis enhances mitochondrial function and improves health
Nor is taking supplements or drugs the only way to get more of it; there’s an enzyme nicotinamide phosphoribosyltransferase (“NAMPT”, to its friends) involved in the synthesis of NADᐩ, and exercise boosts levels by 127% (i.e., it more than doubles the levels), based on a modest three-week exercise bike regimen:
Skeletal muscle NAMPT is induced by exercise in humans
And to underline that point, another study found that resistance training (so, a different kind of exercise from that of the previous study) boosts levels of NADᐩ itself by the same 127%:
One way to get more out of NADᐩ
We’ll get straight to the point: it works very well paired with a senolytic agent, i.e. something that kills aging cells so that they get recycled sooner:
NAD+, Senolytics, or Pyruvate for Healthy Aging?
To read more about senolytics, check out:
Fisetin: The Anti-Aging Assassin
Want to try some?
We don’t sell it, but here for your convenience is an example product on Amazon 😎
Enjoy!
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One in twenty people has no sense of smell – here’s how they might get it back
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During the pandemic, a lost sense of smell was quickly identified as one of the key symptoms of COVID. Nearly four years later, one in five people in the UK is living with a decreased or distorted sense of smell, and one in twenty have anosmia – the total loss of the ability to perceive any odours at all. Smell training is one of the few treatment options for recovering a lost sense of smell – but can we make it more effective?
Smell training is a therapy that is recommended by experts for recovering a lost sense of smell. It is a simple process that involves sniffing a set of different odours – usually essential oils, or herbs and spices – every day.
The olfactory system has a unique ability to regenerate sensory neurons (nerve cells). So, just like physiotherapy where exercise helps to restore movement and function following an injury, repeated exposure to odours helps to recover the sense of smell following an infection, or other cause of smell loss (for example, traumatic head injury).
Several studies have demonstrated the effectiveness of smell training under laboratory conditions. But recent findings have suggested that the real-world results might be disappointing.
One reason for this is that smell training is a long-term therapy. It can take months before patients detect anything, and some people may not get any benefit at all.
In one study, researchers found that after three months of smell training, participation dropped to 88%, and further declined to 56% after six months. The reason given was that these people did not feel as though they noticed any improvement in their ability to smell.
Cross-modal associations
To remedy this, researchers are now investigating how smell training can be improved. One interesting idea is that information from our other senses, or “cross-modal associations”, can be applied to smell training to promote odour perception and improve the results.
Cross-modal associations are described as the tendency for sensory cues from different sensory systems to be matched. For example, brightness tends to be associated with loudness. Pitch is related to size. Colours are linked to temperature, and softness is matched with round shapes, while spiky shapes feel more rough. In previous studies, these associations have been shown to have a considerable influence on how sensory information is processed. Especially when it comes to olfaction.
Recent research has shown that the sense of smell is influenced by a combination of different sensory inputs – not just odours. Sensory cues such as colour, shape, and pitch are believed to play a role in the ability to correctly identify and name odours, and can influence perceptions of odour pleasantness and intensity.
In one study, participants were asked to complete a test that measured their ability to discriminate between different odours while they were presented with the colour red or yellow, an outline drawing of a strawberry or a lemon, or a combination of these colours and shapes. The results suggested that corresponding odour and colour associations (for example, the colour red and strawberry) were linked to increased olfactory performance compared with odours and colours that were not associated (for example, the colour yellow and strawberry).
People who associated strawberries with the colour red performed better on smell tests. GCapture/Shutterstock While projects focusing on harnessing these cross-modal associations to improve treatments for smell loss are underway, research has already started to deliver some promising results.
In a recent study that aimed to investigate whether the effects of smell training could be improved with the addition of cross-modal associations, participants watched a guidance video containing sounds that matched the odours that they were training with. The results suggest that cross-modal interactions plus smell training improved olfactory function compared to smell training alone.
The results reported in recent studies have been promising and offer new insights into the field of olfactory science. It is hoped that this will soon lead to the development of more effective treatment options for smell recovery.
In the meantime, smell training is one of the best things you can do for a lost sense of smell, so patients are encouraged to stick with it so that they give themselves the best chance at recovery.
Emily Spencer, PhD Candidate, Olfaction, Edinburgh Napier University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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