US recommends 2 1/2 hours of exercise per week
Thursday, October 16th, 2008Adults should aim to get in 2 1/2 hours of exercise a week and children should run and play for at least an hour a day, according to new exercise guidelines issued by the US government on Tuesday.
The guidelines, meant to be akin to the “Food Pyramid” nutritional advice, are based on studies that show [...]