Or do more vigorous activities, like running, for at least 1 hours a week.

Then they are ready to take on more vigorous activities.

Or you could do vigorous activity for 15 minutes a day, 5 days a week.

You could do vigorous activity 15 minutes a day, 5 days a week.

Or try to do vigorous activity at least 1 hours a week.

Or they can do vigorous activity for at least 1 hours a week.

But his most vigorous activity so far is in Texas.

Do vigorous activity for at least 1 hours a week.

The least heart disease risk was associated with the most vigorous activities, the study found.

Set aside an hour every day for vigorous physical activity.