title: Ken Powell: running the distance for physical activity.
authors: Pamela
authors: P
authors: Das
mesh_terms: D002487:Centers for Disease Control and Prevention, U.S.; D015444:Exercise; D015438:Health Behavior; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D008297:Male; D009043:Motor Activity; D011634:Public Health; D014481:United States