would start taking better care of myself. narrator: you have many reasons to stay healthy. exercise and physical activity can help. so that national institute on aging at nih, of the u.s. department of health and human services, created go4life. bud: i now excercise three times a week. narrator: featuring exercises you can do anywhere. irene: i can really go. narrator: find our more, visit nia.hih.gov/go4life.