Get at least 20 minutes of exercise three times a week.

And remember, five minutes of exercise is better than none.

If your weight is normal, get at least 30 minutes of exercise every day.

This could mean starting out with just a few minutes of exercise.

Try to work up to at least 30 minutes of moderate exercise every day.

What makes 90 minutes of exercise per week the magic number?

It is better to aim for 20-30 minutes of exercise a day.

Try to have 20 minutes of vigorous exercise every day.

You can help your teen get moving and even work up to 60 minutes of exercise a day.

Why is 90 minutes of exercise per week the ideal amount?