All posts by P. D. Mangan

Exercise Prevents Cancer

Exercise prevents cancer, an idea which is one of the main themes of my book Muscle Up. How much does it lower the risk? A recent meta-analysis found up to 42% less risk for 10 different cancers, including

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Health Screening Is Ineffective and May Cause Harm

Health screening is the practice of checking someone for health conditions he or she may not know about. In other words, health screening means medically examining an apparently healthy person, instead

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Knowledge and Action Are Needed to Change

Both knowledge and action are needed for change. What does that mean exactly? If you want to change, you must know the right steps to take, but you must also be willing to put that knowledge into action.

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Are Antidepressants Placebos?

Antidepressant drugs are now taken by around 11% of Americans over the age of 12, though that could be an underestimate. Women are more likely to take them, and almost one quarter of American women in

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The Current Prospects of Extending Lifespan

I’ve written extensively on anti-aging and life extension, and I’ve put into practice many of the methods I’ve written about. Yet, what are the current prospects of extending lifespan?

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Vegetarians Don’t Live Longer

A vegetarian diet is widely thought to be healthy. Bias in favor of it is pervasive, given that for several decades the health establishment has denigrated meat and saturated fat as causing heart disease

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Does Alcohol Prevent Heart Disease?

I’ve had a lot to say on this site about alcohol, both pro and con. For example: Alcohol might be an anti-aging drug Alcohol can cause anxiety Lots of alcohol is definitely bad news Does alcohol

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More Sleep for Higher Testosterone

We saw in our last article that testosterone is very important for men’s health, and that for optimal health, abnormally low T levels ought to be corrected either through lifestyle changes –

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Testosterone Improves Men’s Health

Testosterone, the hormone that gives men their male characteristics, is associated with better health, less cardiovascular disease and diabetes, and possibly even less cancer, including prostate cancer.

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A Discussion on Iron and Health with Leo Zacharski, M.D.

Leo Zacharski, M.D., is a hematologist, oncologist, and professor at the Geisel School of Medicine at Dartmouth, and is arguably the world’s leading expert on the relation between iron and disease.

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Do Vegetable Oils Raise Heart Disease Risk?

In several recent articles, we’ve seen that vegetable oils, better known as industrial seed oils, are implicated in a number of diseases, including heart disease. In this article, we’ll take

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Interview with Shawn Baker, M.D.

I interviewed Shawn Baker, M.D., a surgeon, athlete, and advocate of zero-carb eating. He was a power lifter, played rugby, and competed in the Highland Games earlier in life, and now at the age of 50,

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How Omega-3 Fatty Acids Improve Health

Omega-3 fatty acids, types of polyunsaturated fatty acids that are most abundant in fish and fish oil, have long been associated with lower risk and/or mortality from heart disease. Meta-analyses of supplementation

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The Importance of Exercise Intensity

Exercise is a uniquely beneficial health practice, one that improves health, decreases mortality, and that just generally improves overall quality of life. Anyone who exercises regularly knows the feeling

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Vegetable Oils Promote Aging

Wrapping up a series of articles on how industrial seed oils, aka vegetable oils, endanger health and promote male infertility, this article will show how vegetable oils promote aging. Mitochondria and

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Vegetable Oils Promote Male Infertility

We recently discussed how industrial seed oils, better known as vegetable oils, are dangerous to health and should as much as possible be eliminated from the diet of anyone who wants to stay healthy. For

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