Nutrition in the News

Physical activity guidelines: How much exercise do you need?

Weigths_largeFor general good health, the 2008 Physical Activity Guidelines for Americans recommends that adults get a minimum of 2-1/2 hours per week of moderate-intensity aerobic activity. (37) Yet many people may need more than 2-1/2 hours of moderate intensity activity a week to stay at a stable weight. (37)

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Walking and bicycling your way to health

cyclingWalking is an ideal exercise for many people—it doesn’t require any special equipment, can be done any time, any place, and it is generally safe. Also, many studies – including the Nurses’ Health Study, (1, 2) Health Professionals Follow-up Study, (3) Women’s Health Study, (4)Harvard Alumni Health Study, (5) National Health Interview Survey, (6) Women’s Health Initiative, (7) Honolulu Heart Program, (8) Black Women’s Health Study, (9) and others (10, 11) – have demonstrated that this simple form of exercise substantially reduces the chances of developing heart disease, stroke, and diabetes in different populations.

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