Let's Get Physical

By Janet Raloff, 08:40 AM October 8, 2008

We’ve all heard the litany of health benefits associated with keeping your body in shape. In case you thought a good workout was climbing three flights of stairs twice daily, think again. This week, the Department of Health & Human Services weighed in on how much exercise is enough. And for most adults, it’s two-and-a-half hours a week of “moderate intensity physical activity, such as brisk walking.” Or you could substitute an hour and 15 minutes a week of “vigorous” aerobic (endurance) exer...

Source URL: https://www.sciencenews.org/blog/science-public/lets-get-physical