The experts advise that people should plan to exercise,eat and sleep at the same times each day.

VOA: special.2010.03.30

To get the most from your exercise plan, experts say adults should get at least two and a half hours of aerobic exercise each week.

VOA: special.2010.06.08

Health experts say children should get an hour of active exercise every day.

VOA: special.2010.06.07

Each exercise period should be at least ten minutes long.

VOA: special.2010.06.08