Harvard Men's Health Watch

Exercise by the numbers

Fitness is essential for good health, but for optimal benefits you need to focus on the right exercise duration and intensity. The standard guideline for fitness, from both government agencies and health organizations, is 150 minutes of moderate-intensity exercise per week. “It does not matter how you reach those 150 minutes,” says Dr. Elizabeth Matzkin, a sports medicine physician with Harvard-affiliated Brigham and Women’s Hospital. “It could be 50 minutes three times…

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