Category Archives for Exercise

Guest Post: Is CrossFit a Good Way to Exercise?

I’ve been skeptical about CrossFit as an optimal form of exercise, so we’ve got an experienced CrossFitter to tell the other side of the story. – P. D. Mangan Is CrossFit a good way to

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Carbohydrates Inhibit Insulin Sensitivity from Exercise

Exercise increases insulin sensitivity, and that’s one of the best reasons for doing regular exercise. But carbohydrates inhibit insulin sensitivity from exercise, so if you eat carbohydrates after

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Too Much Exercise

Many people are under the impression that you just can’t get enough exercise. A healthy activity must be healthier if you get more of it – right? Well, not necessarily; it’s possible

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Exercise Capacity, the Most Important Health Risk Factor

Exercise capacity is closely related to both aging and to health. Exercise capacity declines with age, and people with low exercise capacity have higher health risks. In fact, exercise capacity is the

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How Much Exercise Is Too Much?

Exercise is known to be healthful, one of the healthiest things you can do. It’s said that if exercise were a pill, doctors would prescribe it to everyone, and high cardiorespiratory fitness is one

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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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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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Guest Post: Fitness Challenges of Older People and How to Overcome Them

By Gary Baker Being an older fellow and trying to be physically fit can be a daunting combination. However, speaking as someone that started his journey at the age of 47, I feel I have some important experiences

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Why Resting Heart Rate Is Important for Health

Heart rate — the number of times the heart beats per minute — would seem to be an obvious variable in health and longevity, especially as it concerns heart disease. True to intuition, it turns

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How to Get the Right Dose of Exercise

What is exercise? Exercise as something undertaken deliberately is not natural. Animals and humans in a natural habitat don’t exercise; their physical activity is a byproduct of life activities,

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Deadlifts Are for Girls Too

Here’s a short video I shot today:   Deadlifts aren’t just for bros, they’re for girls too. All of weight training is for girls as well as men. The video shows my friend Michele

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Exercise Capacity Powerfully Predicts Survival

How important is exercise for health? We all know that exercise is good for us. But just how good, and how much exercise do we need to be healthy? Exercise capacity powerfully predicts survival. A just-published

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How aerobic exercise causes fat gain and muscle loss

For several decades now, mainstream health and fitness authorities have recommended aerobic exercise, also known as endurance exercise or “cardio”, as the best way to exercise and get fit.

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Don’t Be a Victim of Muscle Loss

We lose muscle as we age One of the striking facts about men as we age is that we become less physically masculine: we lose the energy that young men have, our testosterone, the hormone that makes us men,

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How to Live Until 90

Many epidemiological studies have looked at various biomarkers to see how they are related to health. Perhaps the most familiar biomarker is total cholesterol level – although the doctors got that

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Most people in the gym are not even trying

Cardio versus weight training In my years in the gym I’ve noticed a correlation. This correlation has not been subject to rigorous scientific study and has no p value, it’s just my own observation.

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How evolution and exercise prevent heart disease

Exercise potently prevents heart disease It’s well-established that exercise protects against heart disease. Men who exercise vigorously have about half the risk of fatal  and non-fatal heart

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Obesity and insulin resistance cause aging, not the other way around

How much is aging really inevitable? A number of physiological processes change with aging, notably autophagy, inflammation, and oxidative stress. While we can do many things to ameliorate them and thus

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