More research shows COVID-19 vaccines are safe for young adults
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What you need to know
- Myocarditis, or inflammation of the heart muscle, is most commonly caused by a viral infection like COVID-19, not by vaccination.
- In line with previous research, a recent CDC study found no association between COVID-19 vaccination and sudden cardiac death in previously healthy young people.
- A COVID-19 infection is much more likely to cause inflammation of the heart muscle than a COVID-19 vaccine, and those cases are typically more severe.
Since the approval of the first COVID-19 vaccines, anti-vaccine advocates have raised concerns about heart muscle inflammation, also called myocarditis, after vaccination to suggest that vaccines are unsafe. They’ve also used concerns about myocarditis to spread false claims that vaccines cause sudden deaths, which is not true.
Research has consistently shown that cases of myocarditis after vaccination are extremely rare and usually mild, and a new study from the CDC found no association between sudden cardiac death and COVID-19 vaccination in young adults.
Read on to learn more about myocarditis and what the latest research says about COVID-19 vaccine safety.
What is myocarditis?
Myocarditis is inflammation of the myocardium, or the middle muscular layer of the heart wall. This inflammation weakens the heart’s ability to pump blood. Symptoms may include fatigue, shortness of breath, chest pain, rapid or irregular heartbeat, and flu-like symptoms.
Myocarditis may resolve on its own. In rare cases, it may lead to stroke, heart failure, heart attack, or death.
What causes myocarditis?
Myocarditis is typically caused by a viral infection like COVID-19. Bacteria, parasites, fungi, chemicals, and certain medications can also cause myocarditis.
In very rare cases, some people develop myocarditis after receiving a COVID-19 vaccine, but these cases are usually mild and resolve on their own. In contrast, a COVID-19 infection is much more likely to cause myocarditis, and those cases are typically more severe.
Staying up to date on vaccines reduces your risk of developing myocarditis from a COVID-19 infection.
Are COVID-19 vaccines safe for young people?
Yes. COVID-19 vaccines have been rigorously tested and monitored over the past three years and have been determined to be safe for everyone 6 months and older. A recent CDC study found no association between COVID-19 vaccination and sudden cardiac death in previously healthy young adults.
The benefits of vaccination outweigh any potential risks. Staying up to date on COVID-19 vaccines reduces your risk of severe illness, hospitalization, death, long COVID, and COVID-19-related complications, such as myocarditis.
The CDC recommends people 65 and older and immunocompromised people receive an additional dose of the updated COVID-19 vaccine this spring—if at least four months have passed since they received a COVID-19 vaccine.
For more information, talk to your health care provider.
This article first appeared on Public Good News and is republished here under a Creative Commons license.
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Coca-Cola vs Diet Coke – Which is Healthier?
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Our Verdict
When comparing Coca-Cola to Diet Coke, we picked the Diet Coke.
Why?
While the Diet Coke is bad, the Coca-Cola has mostly the same problems plus sugar.
The sugar in a can of Coca-Cola is 39g high-fructose corn syrup (the worst kind of sugar yet known to humanity), and of course it’s being delivered in liquid form (the most bioavailable way to get, which in this case, is bad).
To put those 39g into perspective, the daily recommended amount of sugar is 36g for men or 25g for women, according to the AHA.
The sweetener in Diet Coke is aspartame, which has had a lot of health risk accusations made against it, most of which have not stood up to scrutiny, and the main risk it does have is “it mimics sugar too well” and it can increase cravings for sweetness, and therefore higher consumption of sugars in other products. For this reason, the World Health Organization has recommended to simply reduce sugar intake without looking to artificial sweeteners to help.
Nevertheless, aspartame has been found safe (in moderate doses; the upper tolerance level would equate to more than 20 cans of diet coke per day) by food safety agencies ranging from the FDA to the EFSA, based on a large body of science.
Other problems that Diet Coke has are present in Coca-Cola too, such as its acidic nature (bad for tooth enamel) and gassy nature (messes with leptin/ghrelin balance).
Summary: the Diet Coke is relatively less unhealthy, but is still bad in numerous ways, and remains best avoided.
Read more:
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Gut – by Dr. Giulia Enders
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On account of being an organ (or rather, a system of organs) whose functions are almost entirely autonomic, most of us don’t think about our gut much. We usually know there’s acid in the stomach, and we usually know there are “good and bad” gut bacteria. But what of the rest of what goes on?
For anyone who has a hazy half-remembered knowledge from school, this will serve as not only a reminder, but a distinct upgrade in knowledge.
Dr. Giuliua Enders talks us through not just the processes of what goes on, but, as a medical doctor, also many instances of what can go wrong, for example:
- Why do some people’s bodies mistake nuts for a deadly threat (and consequently, accidentally elevate them to the status of actually becoming a deadly threat)?
- Why are some people lactose-intolerant, and why do food intolerances often pop up later with age?
- Why do constipation and diarrhoea happen?
- Why is it that stress can cause stomach ulcers?
The style of writing is light and easy-reading, and the illustrations are clear too. This is a very accessible book that doesn’t assume prior knowledge, and also doesn’t skimp on the scientific explanations—there’s no dumbing down here.
Bottom line: knowing what goes on in our gut as akin to knowing what goes on under the hood of a car. A lot of the time we don’t need to know, but knowing can make a big difference from time to time, and that’s when you’ll wish you’d learned!
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Stop Cancer 20 Years Ago
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Get Abreast And Keep Abreast
This is Dr. Jenn Simmons. Her specialization is integrative oncology, as she—then a breast cancer surgeon—got breast cancer, decided the system wasn’t nearly as good from the patients’ side of things as from the doctors’ side, and took to educate herself, and now others, on how things can be better.
What does she want us to know?
Start now
If you have breast cancer, the best time to start adjusting your lifestyle might be 20 years ago, but the second-best time is now. We realize our readers with breast cancer (or a history thereof) probably have indeed started already—all strength to you.
What this means for those of us without breast cancer (or a history therof) is: start now
Even if you don’t have a genetic risk factor, even if there’s no history of it in your family, there’s just no reason not to start now.
Start what, you ask? Taking away its roots. And how?
Inflammation as the root of cancer
To oversimplify: cancer occurs because an accidentally immortal cell replicates and replicates and replicates and takes any nearby resources to keep on going. While science doesn’t know all the details of how this happens, it is a factor of genetic mutation (itself a normal process, without which evolution would be impossible), something which in turn is accelerated by damage to the DNA. The damage to the DNA? That occurs (often as not) as a result of cellular oxidation. Cellular oxidation is far from the only genotoxic thing out there, and a lot of non-food “this thing causes cancer” warnings are usually about other kinds of genotoxicity. But cellular oxidation is a big one, and it’s one that we can fight vigorously with our lifestyle.
Because cellular oxidation and inflammation go hand-in-hand, reducing one tends to reduce the other. That’s why so often you’ll see in our Research Review Monday features, a line that goes something like:
“and now for those things that usually come together: antioxidant, anti-inflammatory, anticancer, and anti-aging”
So, fight inflammation now, and have a reduced risk of a lot of other woes later.
See: How to Prevent (or Reduce) Inflammation
Don’t settle for “normal”
People are told, correctly but not always helpfully, such things as:
- It’s normal to have less energy at your age
- It’s normal to have a weaker immune system at your age
- It’s normal to be at a higher risk of diabetes, heart disease, etc
…and many more. And these things are true! But that doesn’t mean we have to settle for them.
We can be all the way over on the healthy end of the distribution curve. We can do that!
(so can everyone else, given sufficient opportunity and resources, because health is not a zero-sum game)
If we’re going to get a cancer diagnosis, then our 60s are the decade where we’re most likely to get it. Earlier than that and the risk is extant but lower; later than that and technically the risk increases, but we probably got it already in our 60s.
So, if we be younger than 60, then now’s a good time to prepare to hit the ground running when we get there. And if we missed that chance, then again, the second-best time is now:
See: Focusing On Health In Our Sixties
Fast to live
Of course, anything can happen to anyone at any age (alas), but this is about the benefits of living a fasting lifestyle—that is to say, not just fasting for a 4-week health kick or something, but making it one’s “new normal” and just continuing it for life.
This doesn’t mean “never eat”, of course, but it does mean “practice intermittent fasting, if you can”—something that Dr. Simmons strongly advocates.
See: Intermittent Fasting: We Sort The Science From The Hype
While this calls back to the previous “fight inflammation”, it deserves its own mention here as a very specific way of fighting it.
It’s never too late
All of the advices that go before a cancer diagnosis, continue to stand afterwards too. There is no point of “well, I already have cancer, so what’s the harm in…?”
The harm in it after a diagnosis will be the same as the harm before. When it comes to lifestyle, preventing a cancer and preventing it from spreading are very much the same thing, which is also the same as shrinking it. Basically, if it’s anticancer, it’s anticancer, no matter whether it’s before, during, or after.
Dr. Simmons has seen too many patients get a diagnosis, and place their lives squarely in the hands of doctors, when doctors can only do so much.
Instead, Dr. Simmons recommends taking charge of your health as best you are able, today and onwards, no matter what. And that means two things:
- Knowing stuff
- Doing stuff
So it becomes our responsibility (and our lifeline) to educate ourselves, and take action accordingly.
Want to know more?
We recently reviewed her book, and heartily recommend it:
The Smart Woman’s Guide to Breast Cancer – by Dr. Jenn Simmons
Enjoy!
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Be Your Future Self Now – by Dr. Benjamin Hardy
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Affirmations in the mirror are great and all, but they can only get you so far! And if you’re a regular reader of our newsletter, you probably know about the power of small daily habits adding up and compounding over time. So what does this book offer, that’s different?
“Be Your Future Self Now” beelines the route “from here to there”, with a sound psychological approach. On which note…
The book’s subtitle mentions “the science of intentional transformation”, and while Dr. Hardy is a psychologist, he’s an organizational psychologist (which doesn’t really pertain to this topic). It’s not a science-heavy book, but it is heavy on psychological rationality.
Where Dr. Hardy does bring psychology to bear, it’s in large part that! He teaches us how to overcome our biases that cause us to stumble blindly into the future… rather than intentfully creating our own future to step into. For example:
Most people (regardless of age!) acknowledge what a different person they were 10 years ago… but assume they’ll be basically the same person 10 years from now as they are today, just with changed circumstances.
Radical acceptance of the inevitability of change is the first step to taking control of that change.
That’s just one example, but there are many, and this is a book review not a book summary!
In short: if you’d like to take much more conscious control of the direction your life will take, this is a book for you.
Click here to get your copy of “Be Your Future Self Now” from Amazon!
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I lost weight and my period stopped. How are weight and menstruation linked?
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You may have noticed that changes in weight are sometimes accompanied by changes in your period.
But what does one really have to do with the other?
Maintaining a healthy weight is key to regular menstruation. Here’s why – and when to talk to your doctor.
The role of hormones
The menstrual cycle – including when you bleed and ovulate – is regulated by a balance of hormones, particularly oestrogen.
The ovaries are connected to the brain through a hormonal signalling system. This acts as a kind of “chain of command” of hormones controlling the menstrual cycle.
The brain produces a key hormone, called the gonadotropin-releasing hormone, in the hypothalamus. It stimulates the release of other hormones which tell the ovaries to produce oestrogen and release a mature egg (ovulation).
But the release of the gonadotropin-releasing hormone depends on oestrogen levels and how much energy is available to the body. Both of these are closely related to body weight.
Oestrogen is primarily produced in the ovaries, but fat cells also produce oestrogen. This is why weight – and more specifically body fat – can affect menstruation.
Fat cells produce oestrogen, a hormone with a key role in the menstrual cycle. Halfpoint/Shutterstock Can being underweight affect my period?
The body prioritises conserving energy. When reserves are low it stops anything non-essential, such as reproduction.
This can happen when you are underweight, or suddenly lose weight. It can also happen to people who undertake intense exercise or have inadequate nutrition.
The stress sends the hypothalamus into survival mode. As a result, the body lowers its production of the hormones important to ovulation, including oestrogen, and stops menstruation.
Being chronically underweight means not having enough energy available to support reproduction, which can lead to menstrual irregularities including amenorrhea (no periods at all).
This results in very low oestrogen levels and can cause potentially serious health risks, including infertility and bone loss.
Missing periods is not always a cause for concern. But a chronic lack of energy availability can be, if not addressed. The two are linked, meaning understanding your period and being aware of any prolonged changes is important.
How about being overweight?
Higher body fat can elevate oestrogen levels.
When you’re overweight your body stores extra energy in fat cells, which produce oestrogen and other hormones and can cause inflammation in the body. So, if you have a lot of fat cells, your body produces an excess of these hormones. This can affect normal functioning of the uterus lining (endometrium).
Excess oestrogen and inflammation can interfere in the feedback system to the brain and stop ovulation. As a result, you may have irregular or missed periods.
It can also lead to pain (dysmenorrhea) and heavier bleeding (menorrhagia).
Being overweight can sometimes worsen premenstrual syndrome as well. One study found for every 1 kg increase in height (m²) in body mass index (BMI), the risk of premenstrual syndrome went up by 3%. Women with a BMI over 27.5 kg/m² had a much higher risk than those with a BMI under 20 kg/m².
What else might be going on?
Sometimes weight changes are linked to hormonal balances that indicate an underlying condition.
For example, people with polycystic ovary syndrome may gain weight or find it hard to lose weight because they have a hormonal imbalance, including higher levels of testosterone.
The syndrome is also associated with irregular periods and heavy bleeding. So, if you notice these symptoms, it’s a good idea to talk to your doctor.
Similarly, weight changes and irregular periods in midlife might signal the start of perimenopause, the period before menopause (when your periods stop altogether).
Changes in weight and your period could be a sign of menopause approaching. Sabrina Bracher/Shutterstock When should I worry?
Small changes in when your period comes or how long it lasts are usually harmless.
Similarly, slight fluctuations in weight won’t usually have a significant impact on your period – or the changes may be so subtle you don’t notice them.
But regular menstruation is an important marker of female health. Sometimes changes in flow, regularity or the pain you experience can indicate there’s something else going on.
If you notice changes and they don’t feel right to you, speak to a health care provider.
Mia Schaumberg, Associate Professor in Physiology, School of Health, University of the Sunshine Coast and Laura Pernoud, PhD Candidate in Women’s Health, School of Health, University of the Sunshine Coast
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Bold Beans – by Amelia Christie-Miller
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We all know beans are one of the most healthful foods around, but how to include more of them, without getting boring?
This book has the answer, giving 80 exciting recipes, divided into the following sections:
- Speedy beans
- Bean snacks & sharing plates
- Brothy beans
- Bean bowls
- Hearty salads
- Bean feasts
The recipes are obviously all bean-centric, though if you have a particular dietary restriction, watch out for the warning labels on some (e.g. meat, fish, dairy, gluten, etc), and make a substitution if appropriate.
The recipes themselves have a happily short introductory paragraph, followed by all you’d expect from a recipe book (ingredients, measurements, method, picture)
There’s also a reference section, to learn about different kinds of beans and bean-related culinary methods that can be applied per your preferences.
Bottom line: if you’d like to include more beans in your daily diet but are stuck for making them varied and interesting, this is the book for you!
Click here to check out Bold Beans, and get your pulse racing (in a good way!)
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