However, the newest research published in the current issue of the American Heart Association's journal Stroke shows just half an hour of moderate exercisefivedaysaweek reduces the risk for stroke by almost 25 percent.
The CDC and the AHA recommend that adults spend a minimum of 30 minutes a day, fivedaysaweek, doing moderate-intensity exercise, or at least 20 minutes a day, 3 daysaweek engaged in vigorous activity.