Beat The Heat, With Fat
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Surviving Summer
Summer is upon us, for those of us in the Northern Hemisphere anyway, and given that nowadays each year tends to be hotter than the one before, on average, it pays to be prepared.
We’ve talked about dealing with the heat before:
Sun, Sea, And Sudden Killers To Avoid
All the above advice stands this summer too, but today we’re going to speak a little extra on not having a “default body”.
For much of medical literature and common health advice, the default body is that of a slim and/or athletic white cis man aged 25–35 with no disabilities.
When it comes to “women’s health”, this is often confined to “the bikini zone” and everything else is commonly treated based on research conducted with men.
Today we’ll be looking at a particular challenge for a wide variety of people, when it comes to heat…
Beating the heat, with fat
If you are fat, and/or have a bit of a tummy, and/or have breasts, this one’s for you.
Fat acts as an insulator, which naturally does no favors in hot weather. Carrying the weight around is also extra exercise, which also becomes a problem in hot weather. Fat people usually sweat more than thin people do, as a result.
Sweat is great for cooling down the body, because it takes heat with it when it evaporates off. However, that only works if it can evaporate off, and it can’t evaporate off if it’s trapped in a skin fold / fat roll.
If you’re fat, you may have plenty of those; if you have a bit of a tummy (if you’re not fat generally, this might be a leftover from pregnancy, or weight loss, or something else; how it got there doesn’t matter for our purposes today), you’ll have at least one under it, and if you have breasts, unless they’re quite small, you’ll have one under each breast, and potentially your cleavage may become an issue too.
Note: if you are perhaps a man who has fat in the place where breasts go, then medically this goes for you too, except that there’s not a societal expectation that you wear bra. Use today’s information as you see fit.
Sweat-wicking hacks
We don’t want sweat to stay in those folds—both because then it’s not doing its cooling-down job, and also, because it can cause a rash, and even yeast infections and/or bacterial infections.
So, we want there to be some barrier there. You could use something like vaseline or baby powder, as to prevent chafing, but fat better (more effective, and less messy) is to have some kind of cloth there that can wick the sweat away.
There are made-for-purpose curved cotton bands that exist, called “tummy liners”; here’s an example product on Amazon, or you could make your own if you’re so inclined. They’re breathable, absorbent, and reduce friction too, making everything a lot more comfortable.
And for breasts? Same deal, there are made-for-purpose cotton bra-liners that exist; here’s an example product on Amazon, or again, you could make your own if you feel so inclined. The important part is that it makes things so much comfortable, because let’s face it: wearing a bra in the summer is not comfortable.
So with these, it can become more comfortable (and the cotton liners are flat, so they’re not visible if one’s wearing a t-shirt or similar-coverage garment). You could go braless, of course, but then you’re back to having sweaty folds, so if you’re doing something other than swimming or lying on your back, you might want something there.
Different hydration rules
“People should drink this much per day” and guess what, those guidelines were based on, drumroll please, not fat people.
Sweating more means needing to hydrate more, and even without breaking a sweat, having a larger body than average (be it muscle, fat, or both) means having more body to hydrate. That’s simple math.
So instead, a good general guideline is half an ounce of water per your weight in pounds, per day:
How much water do I need each day?
Another good general guideline is to simply drink “little and often”, that is to say, always have a (hydrating!) drink on the go.
Take care!
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Rebuilding Milo – by Dr. Aaron Horschig
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The author, a doctor of physical therapy, also wrote another book that we reviewed a while ago, “The Squat Bible” (which is also excellent, by the way). This time, it’s all about resistance training in the context of fixing a damaged body.
Resistance training is, of course, very important for general health, especially as we get older. However, it’s easy to do it wrongly and injure oneself, and indeed, if one is carrying some injury and/or chronic pain, it becomes necessary to know how to fix that before continuing—without just giving up on training, because that would be a road to ruin in terms of muscle and bone maintenance.
The book explains all the necessary anatomy, with clear illustrations too. He talks equipment, keeping things simple and practical, letting the reader know which things actually matter in terms of quality, and what things are just unnecessary fanciness and/or counterproductive.
Most of the book is divided into chapters per body part, e.g. back pain, shoulder pain, ankle pain, hip pain, knee pain, etc; what’s going on, and how to fix it to rebuild it stronger.
The style is straightforward and simple, neither overly clinical nor embellished with overly casual fluff. Just, clear simple explanations and instructions.
Bottom line: if you’d like to get stronger and/or level up your resistance training, but are worried about an injury or chronic condition, this book can set you in good order.
Click here to check out Rebuilding Milo, and rebuild yourself!
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Avocado Oil vs Olive Oil – Which is Healthier?
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Our Verdict
When comparing avocado oil to olive oil, we picked the olive oil.
Why?
Avocados and olives are both very healthy foods. However, when they are made into oils, there’s an important distinguishing factor:
Olive oil usually retains a lot of the micronutrients from the olives (including vitamins E and K), whereas no measurable micronutrients usually remain in avocado oil.
So while both olive oil and avocado oil have a similar (excellent; very heart-healthy!) lipids profile, the olive oil has some bonuses that the avocado oil doesn’t.
We haven’t written about the nutritional profiles of either avocados or olives yet, but here’s what we had to say on the different kinds of olive oil available:
And here’s an example of a good one on Amazon, for your convenience 😎
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The Menopause Risk That Nobody Talks About
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In this week’s health news round up, we cover menopausal disordered eating, air pollution & Alzheimer’s, and cold sore comebacks:
When the body starts changing…
Eating disorders are often thought of as a “teenage girl thing”. But in fact, eating disorders in girls/women mostly occur along with “the three Ps”:
- Puberty
- Pregnancy
- Perimenopause & menopause
In very many cases, it’s likely “my body is changing and I have strong opinions on how it should be”. Those opinions are often reflective of societal norms and pressures, but still, they are earnestly felt also. In the case of pregnancy, the societal pressures and standards are generally lifted while pregnant, but come back immediately postpartum, with an expectation to rebound quickly into the same shape one was in beforehand. And in the case of menopause, this is often concurrent with a sense of loss of identity, and can be quite reactionary against what is generally considered to be the ravages of time.
Of course, looking after one’s health is great at any age, and certainly there is no reason not to pursue health goals and try to get one’s body the way one wants it. However, it is all-too-easy for people to fall into the trap of taking drastic steps that are not actually that healthy, in the hopes of quick results.
Further, 13% of women over 50 report current core eating disorder symptoms, and that is almost certain vastly underreported.
Read in full: Eating disorders don’t just affect teen girls—the risk may also go up around pregnancy and menopause
Related: Body Image Dissatisfaction/Appreciation Across The Ages From Age 16 To Age 88
Where there’s smoke…
It’s been known for a while that air pollution is strongly associated with Alzheimer’s disease incidence, but exactly how this happens has not been entirely clear, beyond that it involves S-nitrosylation, in which NO-related particles bind to sulfur (S) atoms, forming SNO (and scientists being how they are, the term for the resultant brain effect has been called a SNO-STORM).
However, researchers have now found that it has to do with how certain toxins in the air (notwithstanding our heading here, they don’t have to be smoke—it can be household chemicals or other things too) cause this resultant SNO to interfere with protein CRTC1, which is critical for forming/maintaining connections between brain cells.
This is important, because it means that if a drug can be made that selectively blocks S-nitrosylatoin actions affecting CRTC1, it can reverse a lot of Alzheimer’s brain damage (as was found in the laboratory, when testing the theory with CRTC1 proteins that had been genetically engineered to resist S-nitrosylation, which is not something we can do with living human brains yet, but it is “proof of principle” and means funding will likely be forthcoming to find drugs to do the same thing).
Read in full: Study reveals how air pollution contributes to Alzheimer’s disease
Related: 14 Powerful Strategies To Prevent Dementia
The virus that comes back from the cold
Cold sores are created by the Herpes simplex virus (yes, the same one as for the genital variety), and by adulthood, most of us are either infected (and periodically get cold sores), or else infected (as an asymptomatic carrier). A noteworthy minority, but a minority nevertheless, are immune. Unless you’ve never had physical contact with other humans, it’s highly unlikely you’re not in one of the above three categories.
For those who do get cold sores, they can seem random in their reoccurrence, but in reality the virus never went away; it was just dormant for a while.
This much was known already, but scientists have now identified the trigger protein (known as “UL 12.5” to its friends) that acts as an alarm clock for the virus—which may pave the way to a greatly-improved treatment, if a way can be found to safely interfere with that wake-up call:
Read in full: Cold sore discovery identifies unknown trigger for those annoying flare-ups
Related: Beyond Supplements: The Real Immune-Boosters!
Take care!
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Gut-Healthy Tacos
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Full of prebiotics and probiotics, healthy fats, colorful salad boasting vitamins and minerals aplenty, and of course satisfying protein too, these tacos are also boasting generous flavors to keep you coming back for more…
You will need
- 24 sardines—canned is fine (if vegetarian/vegan, substitute tempeh and season generously; marinade if you have time)
- 12 small wholewheat tortillas
- 1 14oz/400g can black beans, drained
- 1 ripe avocado, stoned and cut into small chunks
- 1 red onion, thinly sliced
- 1 little gem lettuce, shredded
- 12 cherry tomatoes, halved
- 1 bulb garlic, crushed
- 1 lemon, sliced
- 4 tbsp plain unsweetened yogurt (your choice what kind, but something with a live culture is best)
- 3oz pickled jalapeños, roughly chopped
- 1oz cilantro (or substitute parsley if you have the cilantro-tastes-like-soap gene), finely chopped
- 1 tbsp extra virgin olive oil
- 2 tsp black pepper
- 1 tsp smoked paprika
- Juice of 1 lime
- Optional: Tabasco sauce, or similar hot sauce
Method
(we suggest you read everything at least once before doing anything)
1) Preheat your oven to a low temperature; 200℉ or just under 100℃ is fine
2) Place the lemon slices on top of the sardines on top of foil on a baking tray; you want the foil to be twice as much as you’d expect to need, because now you’re going to fold it over and make a sort of sealed envelope. You could use a dish with a lid yes, but this way is better because there’s going to be less air inside. Upturn the edges of the envelope slightly so that juices won’t run out, and make sure the foil is imperfectly sealed so a little steam can escape but not much at a time. This will ensure it doesn’t dry out, while also ensuring your house doesn’t smell of fish. Put all this into the oven on a middle shelf.
3) Mix the lime juice with the onion in a bowl, and add the avocado and tomatoes, mixing gently. Add half the cilantro, and set aside.
4) Put the black beans in a sieve and pour boiling water over them to refresh and slightly warm them. Tip them into a bowl and add the olive oil, black pepper, and paprika. Mix thoroughly with a fork, and no need to be gentle this time; in fact, deliberately break the beans a little in this case.
5) Mix the yogurt, jalapeños, garlic, and remaining cilantro in a small bowl.
6) Get the warmed sardines from the oven; discard the lemon slices.
7) Assemble! We recommend the order: tortilla, lettuce, fish (2 per taco), black bean mixture, salad mixture, garlic jalapeño yogurt mixture. You can also add a splash of the hot sauce per your preference, or if catering for more people, let people add their own.
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- We Are Such Stuff As Fish Are Made Of
- Level-Up Your Fiber Intake! (Without Difficulty Or Discomfort)
- Making Friends With Your Gut (You Can Thank Us Later)
- Our Top 5 Spices: How Much Is Enough For Benefits?
- Enjoy Pungent Polyphenols For Your Heart & Brain
Take care!
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The Epigenetics Revolution – by Dr. Nessa Carey
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If you enjoyed the book “Inheritance” that we reviewed a couple of days ago, you might love this as a “next read” book. But you can also just dive straight in here, if you like!
This one, as the title suggests, focuses entirely on epigenetics—how our life events can shape our genetic expression, and that of our descendants. Or to look at it in the other direction, how our genetic expression can be shaped by the life experiences of, for example, our grandparents.
The style of this book is very much pop-science, but contains a lot of information from hard science throughout. We learn not just about longitudinal population studies as one might expect, but also about the intricacies of DNA methylation and histone modifications, for example.
Depending on your outlook, you may find some of this very bleak (“great, I am shackled by what my grandparents did”) or very optimism-inducing (“oh wow, I’m not nearly so constrained by genetics as I thought; this stuff is so malleable!”). This is also the same author who wrote “Hacking The Code of Life“, by the way, but we’ll review that another day.
Bottom line: this book is the best one-shot primer on epigenetics that this reviewer has read (you may be wondering how many that is, and the answer is… about seven or so? I’m not good at counting).
Click here to check out The Epigenetics Revolution, and learn how dynamic you really are!
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Mosquitoes can spread the flesh-eating Buruli ulcer. Here’s how you can protect yourself
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Each year, more and more Victorians become sick with a flesh-eating bacteria known as Buruli ulcer. Last year, 363 people presented with the infection, the highest number since 2004.
But it has been unclear exactly how it spreads, until now. New research shows mosquitoes are infected from biting possums that carry the bacteria. Mozzies spread it to humans through their bite.
What is Buruli ulcer?
Buruli ulcer, also known as Bairnsdale ulcer, is a skin infection caused by the bacterium Mycobacterium ulcerans.
It starts off like a small mosquito bite and over many months, slowly develops into an ulcer, with extensive destruction of the underlying tissue.
While often painless initially, the infection can become very serious. If left untreated, the ulcer can continue to enlarge. This is where it gets its “flesh-eating” name.
Thankfully, it’s treatable. A six to eight week course of specific antibiotics is an effective treatment, sometimes supported with surgery to remove the infected tissue.
Where can you catch it?
The World Health Organization considers Buruli ulcer a neglected tropical skin disease. Cases have been reported across 33 countries, primarily in west and central Africa.
However, since the early 2000s, Buruli ulcer has also been increasingly recorded in coastal Victoria, including suburbs around Melbourne and Geelong.
Scientists have long known Australian native possums were partly responsible for its spread, and suspected mosquitoes also played a role in the increase in cases. New research confirms this.
Our efforts to ‘beat Buruli’
Confirming the role of insects in outbreaks of an infectious disease is achieved by building up corroborating, independent evidence.
In this new research, published in Nature Microbiology, the team (including co-authors Tim Stinear, Stacey Lynch and Peter Mee) conducted extensive surveys across a 350 km² area of Victoria.
We collected mosquitoes and analysed the specimens to determine whether they were carrying the pathogen, and links to infected possums and people. It was like contact tracing for mosquitoes.
Aedes notoscriptus was the mosquito identified as carrying the bacteria that caused Buruli ulcer.
Cameron Webb (NSW Health Pathology)Molecular testing of the mosquito specimens showed that of the two most abundant mosquito species, only Aedes notoscriptus (a widespread species commonly known as the Australian backyard mosquito) was positive for Mycobacterium ulcerans.
We then used genomic tests to show the bacteria found on these mosquitoes matched the bacteria in possum poo and humans with Buruli ulcer.
We further analysed mosquito specimens that contained blood to show Aedes notoscriptus was feeding on both possums and humans.
To then link everything together, geospatial analysis revealed the areas where human Buruli ulcer cases occur overlap with areas where both mosquitoes and possums that harbour Mycobacterium ulcerans are active.
Stop its spread by stopping mozzies breeding
The mosquito in this study primarily responsible for the bacteria’s spread is Aedes notoscriptus, a mosquito that lays its eggs around water in containers in backyard habitats.
Controlling “backyard” mosquitoes is a critical part of reducing the risk of many global mosquito-borne disease, especially dengue and now Buruli ulcer.
You can reduce places where water collects after rainfall, such as potted plant saucers, blocked gutters and drains, unscreened rainwater tanks, and a wide range of plastic buckets and other containers. These should all be either emptied at least weekly or, better yet, thrown away or placed under cover.
Mosquitoes can lay eggs in a wide range of water-filled items in the backyard.
Cameron Webb (NSW Health Pathology)There is a role for insecticides too. While residual insecticides applied to surfaces around the house and garden will reduce mosquito populations, they can also impact other, beneficial, insects. Judicious use of such sprays is recommended. But there are ecological safe insecticides that can be applied to water-filled containers (such as ornamental ponds, fountains, stormwater pits and so on).
Recent research also indicates new mosquito-control approaches that use mosquitoes themselves to spread insecticides may soon be available.
How to protect yourself from bites
The first line of defence will remain personal protection measures against mosquito bites.
Covering up with loose fitted long sleeved shirts, long pants, and covered shoes will provide physical protection from mosquitoes.
Applying topical insect repellent to all exposed areas of skin has been proven to provide safe and effective protection from mosquito bites. Repellents should include diethytolumide (DEET), picaridin or oil of lemon eucalyptus.
While the rise in Buruli ulcer is a significant health concern, so too are many other mosquito-borne diseases. The steps to avoid mosquito bites and exposure to Mycobacteriam ulcerans will also protect against viruses such as Ross River, Barmah Forest, Japanese encephalitis, and Murray Valley encephalitis.
Cameron Webb, Clinical Associate Professor and Principal Hospital Scientist, University of Sydney; Peter Mee, Adjunct Associate Lecturer, School of Applied Systems Biology, La Trobe University; Stacey Lynch, Team Leader- Mammalian infection disease research, CSIRO, and Tim Stinear, Professor of Microbiology, The University of Melbourne
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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