title: Physical activity and chronic diseases.
authors.affiliation: Behavioral Epidemiology and Evaluation Branch, Center for Health Promotion and Education, Atlanta, GA 30333.
authors.forename: K E
authors.initials: KE
authors.lastname: Powell
authors.forename: C J
authors.initials: CJ
authors.lastname: Caspersen
authors.forename: J P
authors.initials: JP
authors.lastname: Koplan
authors.forename: E S
authors.initials: ES
authors.lastname: Ford
mesh_terms: D000203:Activities of Daily Living; D002908:Chronic Disease / Q000517:prevention & control*; D015444:Exercise; D006801:Humans; D010809:Physical Fitness; D013177:Sports