Resistance band Training – by James Atkinson
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For those who’d like a full gym workout at home, without splashing out thousands on a home gym, resistance bands provide a lot of value. But how much value, really?
As James Atkinson demonstrates, there’s more exercise available than one might think.
Did you know that you can use the same band to strengthen your triceps as well as your biceps, for instance? and the same goes for your quadriceps and biceps femoris. And core strength? You bet.
The style here is not a sales pitch (though he does, at the end, offer extra resources if desired), but rather, instructional, and this book is in and of itself already a complete guide. With clear instructions and equally clear illustrations, you don’t need to spend a dime more (unless you don’t own a resistance band, in which case then yes, you will need one of those).
Bottom line: if you’d like to give your body the workout it deserves, this book is a potent resource.
Click here to check out Resistance Band Training, and get training!
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There are ‘forever chemicals’ in our drinking water. Should standards change to protect our health?
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Today’s news coverage reports potentially unsafe levels of “forever chemicals” detected in drinking water supplies around Australia. These include human-made chemicals: perfluorooctane sulfonate (known as PFOS) and perflurooctanic acid (PFOA). They are classed under the broader category of per- and polyfluoroalkyl substances or PFAS chemicals.
The contaminants found in our drinking water are the same ones United States authorities warn can cause cancer over a long period of time, with reports warning there is “no safe level of exposure”.
In April, the US Environmental Protection Agency (USEPA) sent shock waves through the water industry around the world when it announced stricter advice on safe levels of PFOS/PFOA in drinking water. This reduced limits considered safe in supplies to zero and gave the water industry five years to meet legally enforceable limits of 4 parts per trillion.
So, should the same limits be enforced here in Australia? And how worried should we be that the drinking in many parts of Australia would fail the new US standards?
What are the health risks?
Medical knowledge about the human health effects of PFOS/PFOA is still emerging. An important factor is the bioaccumulation of these chemicals in different organs in the body over time.
Increased exposure of people to these chemicals has been associated with several adverse health effects. These include higher cholesterol, lower birth weights, modified immune responses, kidney and testicular cancer.
It has been very difficult to accurately track and measure effects of different levels of PFAS exposure on people. People may be exposed to PFAS chemicals in their everyday life through waterproofing of clothes, non-stick cookware coatings or through food and drinking water. PFAS can also be in pesticides, paints and cosmetics.
The International Agency for Research on Cancer (on behalf of the World Health Organization) regards PFOA as being carcinogenic to humans and PFOS as possibly carcinogenic to humans.
Is our drinking water safe? What about long-term risks? Volodymyr TVERDOKHLIB/Shutterstock Our guidelines
Australian drinking water supplies are assessed against national water quality standards. These Australian Drinking Water Guidelines are continuously reviewed by industry and health experts that scan the international literature and update them accordingly.
All city and town water supplies across Australia are subject to a wide range of physical and chemical water tests. The results are compared to Australian water guidelines.
Some tests relate to human health considerations, such as levels of lead or bacteria. Others relate to “aesthetic” considerations, such as the appearance or taste of water. Most water authorities across Australia make water quality information and compliance with Australian guidelines freely available.
What about Australian PFOS and PFOA standards?
These chemicals can enter our drinking water system from many potential sources, such as via their use in fire-fighting foams or pesticides.
According to the Australian Drinking Water Guidelines, PFOS should not exceed 0.07 micrograms per litre in drinking water. And PFOA should not exceed 0.56 micrograms per litre. One microgram is equivalent to one part per billion.
The concentration of these chemicals in water is incredibly small. And much of the advice on their concentration is provided in different units. Sometimes in micrograms or nannograms. The USEPA uses parts per trillion.
In parts per trillion (ppt) the Australian Guidelines for PFOS is 70 ppt and PFOA is 560 ppt. The USEPA’s new maximum contaminant levels (enforceable levels) are 4 ppt for both PFOS and also PFOA. Previous news reports have pointed out Australian guidelines for these chemicals in drinking water are up to 140 times higher than the USEPA permits.
Yikes! That seems like a lot
Today’s news report cites PFOS and PFOA water tests done at many different water supplies across Australia. Some water samples did not detect either chemicals. But most did, with the highest PFOS concentration 15.1–15.6 parts per trillion from Glenunga, South Australia. The highest PFOA concentration was reported from a small water supply in western Sydney, where it was detected at 5.17–9.66 parts per trillion.
Australia and the US are not alone. This is an enormous global problem.
One of the obvious challenges for the Australian water industry is that current water treatment processes may not be effective at removing PFOS or PFOA. The Australian Drinking Water Guidelines provide this advice:
Standard water treatment technologies including coagulation followed by physical separation, aeration, chemical oxidation, UV irradiation, and disinfection have little or no effect on PFOS or PFOA concentrations.
Filtering with activated carbon and reverse osmosis may remove many PFAS chemicals. But no treatment systems appear to be completely effective at their removal.
Removing these contaminants might be particularly difficult for small regional water supplies already struggling to maintain their water infrastructure. The NSW Auditor General criticised the planning for, and funding of, town water infrastructure in regional NSW back in 2020.
Where to from here?
The Australian water industry likely has little choice but to follow the US lead and address PFOS/PFAS contamination in drinking water. Along with lower thresholds, the US committed US$1 billion to water infrastructure to improve detection and water treatment. They will also now require:
Public water systems must monitor for these PFAS and have three years to complete initial monitoring (by 2027) […]
As today’s report notes, it is very difficult to find any recent data on PFOS and PFOA in Australian drinking water supplies. Australian regulators should also require ongoing and widespread monitoring of our major city and regional water supplies for these “forever chemicals”.
The bottom line for drinking tap water is to keep watching this space. Buying bottled water might not be effective (2021 US research detected PFAS in 39 out of 100 bottled waters). The USEPA suggests people can reduce PFAS exposure with measures including avoiding fish from contaminated waters and considering home filtration systems.
Correction: this article previously listed the maximum Australian Drinking Water Guidelines PFOA level as 0.056 micrograms per litre. The figure has been updated to show the correct level of 0.56 micrograms per litre.
Ian A. Wright, Associate Professor in Environmental Science, Western Sydney University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Why Do We Have Crooked Teeth When Our Ancestors Didn’t?
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Evidence shows that people in ancient times typically had straight teeth set well into strong jaws, with even wisdom teeth fitting properly.
So, what went wrong? Did evolution do us a disservice?
Some information to chew on
Transition from hard-to-chew diets to processed, refined foods over millennia has reduced jaw size while tooth size stayed constant. Smaller jaws lead to tooth crowding, crookedness, and impacted wisdom teeth, requiring braces or extractions in modern times.
However, all is not lost!
Studies on non-human animals show softer diets reduce jaw and facial growth, causing dental crowding. In other words: dental crowding is primarily attributed to dietary and lifestyle changes, though genetics may play a role.
And notably, when it comes to humans, populations with less processed diets experience fewer dental problems, suggesting lifestyle modifications could help prevent tooth crowding.
And no, it is not too late. Remember, you are rebuilding your body all the time, including your bones!
For more on all of this, enjoy:
Click Here If The Embedded Video Doesn’t Load Automatically!
Want to learn more?
You might also like to read:
The Exercises That Can Fix Sinus Problems (And More) ← this also improves the jaw structure
Take care!
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Dark Calories – by Dr. Catherine Shanahan
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You may be wondering: do we really need a 416-page book to say “don’t use vegetable oils”?
The author, who was a biochemist before becoming a family physician, takes a lot of care to explain in ways the non-chemists amongst us can understand (with molecular diagrams very well-labelled), exactly why certain seed/vegetable oils (both of those names being imprecise and unhelpful as umbrella terms) cause metabolic problems for us, when in contrast olive oil, avocado oil, and even peanut oil, do not.
Understanding is, for many, the root foundation of compliance. We are more likely to abide by rules we understand the logic behind, than seemingly arbitrary “thou shalt not…” proclamations.
So that’s an important strength of the book, demystifying various fats and how our body responds to them on a biochemical level, not just “is associated with such-and-such, based on observational population studies”. This kind of explanation clears up why, for example, seed oils correlate with obesity more than calories, sugar, wheat, or beef—having as it does to do with affecting our body’s ability to generate and use energy.
She also offers practical tips/reminders throughout, such as how “organic” does not necessarily mean “healthy” (indeed, many poisonous plants can be grown “organically”), and nor does “organic” mean “unrefined”, it speaks only for the conditions in which the raw product was first made, before other things were done to it later.
We learn a lot, too, about the processes of oxidation, the biochemistry behind that (more diagrams!), and of course the inflammatory response to same (an important factor in most if not all chronic disease).
The style is mostly very easy-to-read pop-science, though if you’re not a chemist, you’ll probably need to slow down for the biochemistry explanations (this reviewer certainly did).
Bottom line: this is more than just a litany against vegetable oils; it’s a ground-upwards education in metabolic biochemistry for the layperson, and what that means for us in terms of chronic disease risks.
Click here to check out Dark Calories, and learn what’s going on with these oils!
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Curing Hiccups And Headaches At Home With Actual Science
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Quick fixes for bodily annoyances
Do you ever find yourself desperately trying to cure hiccups, and advice on the Internet is like “breathe in through your ears while drinking vinegar upside-down through your nose”?
If so, you’re not alone. So, today we’re going to look at some science-based approaches to dealing with common bodily annoyances.
Hiccups
Unfortunately, most popular advices simply don’t work, and the only near-guaranteed way to cure these is with anti-convulsive medications whose side-effects may be worse than the hiccups.
However, before you head to the pharmacy, there is one breathing exercise that has a very simple scientific underpinning: 4:4 breathing. If you’re unfamiliar, it’s just:
- Breathe slowly in through your nose to a count of four
- Hold your breath for a count of four
- Breathe slowly out through your nose to a count of four
- Hold your breath for a count of four
…and repeat. The slower the better. At first, your hiccups will interrupt this, but just “keep calm and carry on”.
The reason this can work is that breathing is an autonomic function (e.g., it happens without us thinking about it) that, unlike most other autonomic functions, we can all control directly. By taking control of one, others will tend to fall into line with it.
For example, it is normal that your heart rate will tend to slow or quicken as your breathing slows or quickens, respectively.
Your hiccups? Autonomic function. Actually a very, very old evolutionary left-over trait, that’s only useful for protecting lungs while breathing underwater. In other words, it’s the bodily function thinks you’re a fish (or a tadpole-like amphibious creature) in the process of developing lungs. Unfortunately, because hiccuping doesn’t harm our chances of passing on our genes, it never got naturally de-selected so we still have it.
Anyway, the bottom line is: take control of your breathing in the aspects you can directly control, and the aspects you can’t directly control will fall into line. You may need to give it some minutes, don’t give up too quickly.
Headaches
If you ever get a headache and you don’t have painkillers or perhaps they’re not helping or you have another reason for not wanting to take them, there’s “one quick trick” that can cure most headaches in seconds.
First, the limitation: this will only cure headaches that have been caused by increased localized blood pressure in the forehead. However, that’s more than half of most common headaches.
Next, how it works…
We’re mentioning this first, because understanding how it works will give you more confidence in using it.
Your body has a wonderful homeostatic system, which is the system by which your body maintains its “Goldilocks zones” of not too hot or cold, not to acidine or alkaline, not too hydrated or dehydrated, blood pressure not too high or too low, etc. Sometimes, however, it can get confused, and needs a nudge back to where it should be.
One of the ways it maintains blood pressure is biofeedback from receptors in blood vessel walls, called baroreceptors. They are what it sounds like; they measure blood pressure internally.
In certain places, there are clusters of baroreceptors in one place. And if we press on that one place, the body will think “Oh no! Super high blood pressure in this bit!” and reduce the blood pressure immediately.
This is called the baroreflex, and that’s what you need to cure a hypertensive headache.
So, what to do:
With your thumb, carefully feel the upper inside corner of your eye socket. So, at the top, and about ¼ of the way out from the bridge of your nose. You should feel a groove. No, not like the Emperor’s New, but, an actual groove in your eye socket. That’s the supraorbital notch (or foramen), and it allows the supraorbital artery, veins, and nerve to run through.
Press it firmly (you can do both sides at once, assuming you have two thumbs) for about three seconds, and then massage it gently. Repeat as necessary, but it shouldn’t take more than about three goes to have cured the headache.
As a bonus, this is a great party trick for curing other people’s headaches, when the need arises!
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Generation M – by Dr. Jessica Shepherd
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Menopause is something that very few people are adequately prepared for despite its predictability, and also something that very many people then neglect to take seriously enough.
Dr. Shepherd encourages a more proactive approach throughout all stages of menopause and beyond; she discusses “the preseason, the main event, and the after-party” (perimenopause, menopause, and postmenopause), which is important, because typically people take up an interest in perimenopause, are treating it like a marathon by menopause, and when it comes to postmenopause, it’s easy to think “well, that’s behind me now”, and it’s not, because untreated menopause will continue to have (mostly deleterious) cumulative effects until death.
As for HRT, there’s a chapter on that of course, going into quite some detail. There is also plenty of attention given to popular concerns such as managing weight changes and libido changes, as well as oft-neglected topics such as brain changes, as well as things considered more cosmetic but that can have a big impact on mental health, such as skin and hair.
The style throughout is pop-science; friendly without skimping on detail and including plenty of good science.
Bottom line: if you’d like a fairly comprehensive overview of the changes that occur from perimenopause all the way to menopause and well beyond, then this is a great book for that.
Click here to check out Generation M, and live well at every stage of life!
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Support For Long COVID & Chronic Fatigue
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Long COVID and Chronic Fatigue
Getting COVID-19 can be very physically draining, so it’s no surprise that getting Long COVID can (and usually does) result in chronic fatigue.
But, what does this mean and what can we do about it?
What makes Long COVID “long”
Long COVID is generally defined as COVID-19 whose symptoms last longer than 28 days, but in reality the symptoms not only tend to last for much longer than that, but also, they can be quite distinct.
Here’s a large (3,762 participants) study of Long COVID, which looked at 203 symptoms:
Characterizing long COVID in an international cohort: 7 months of symptoms and their impact
Three symptoms stood at out as most prevalent:
- Chronic fatigue (CFS)
- Cognitive dysfunction
- Post-exertional malaise (PEM)
The latter means “the symptoms get worse following physical or mental exertion”.
CFS, Chronic Fatigue Syndrome, is also called Myalgic Encephalomyelitis (ME).
What can be done about it?
The main “thing that people do about it” is to reduce their workload to what they can do, but this is not viable for everyone. Note that work doesn’t just mean “one’s profession”, but anything that requires physical or mental energy, including:
- Childcare
- Housework
- Errand-running
- Personal hygiene/maintenance
For many, this means having to get someone else to do the things—either with support of family and friends, or by hiring help. For many who don’t have those safety nets available, this means things simply not getting done.
That seems bleak; isn’t there anything more we can do?
Doctors’ recommendations are chiefly “wait it out and hope for the best”, which is not encouraging. Some people do recover from Long COVID; for others, it so far appears it might be lifelong. We just don’t know yet.
Doctors also recommend to journal, not for the usual mental health benefits, but because that is data collection. Patients who journal about their symptoms and then discuss those symptoms with their doctors, are contributing to the “big picture” of what Long COVID and its associated ME/CFS look like.
You may notice that that’s not so much saying what doctors can do for you, so much as what you can do for doctors (and in the big picture, eventually help them help people, which might include you).
So, is there any support for individuals with Long COVID ME/CFS?
Medically, no. Not that we could find.
However! Socially, there are grassroots support networks, that may be able to offer direct assistance, or at least point individuals to useful local resources.
Grassroots initiatives include Long COVID SOS and the Patient-Led Research Collaborative.
The patient-led organization Body Politic also used to have such a group, until it shut down due to lack of funding, but they do still have a good resource list:
Click here to check out the Body Politic resource list (it has eight more specific resources)
Stay strong!
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