Try to do moderate activity at least 2 hours a week.

Or they can do moderate activity for at least 2 hours a week.

It's best to get some moderate physical activity for at least 2 hours a week.

Help children get at least 60 minutes of moderate physical activity daily.

Experts say to do 2 hours of moderate activity a week.

Aim for at least 2 hours a week of moderate activity.

Only 20 percent of high school students engage in moderate physical activity five or more times a week.

Moderate activity is safe for most people, but it's always a good idea to talk to your doctor before you start an exercise program.

Moderate physical activities are included and a good level of fitness is required.

So try to get at least 2 hours of moderate aerobic activity a week.