title: Physical activity and older people: a walk a day keeps the doctor away.
authors.forename: W H
authors.initials: WH
authors.lastname: Ettinger
mesh_terms: D000368:Aged; D000375:Aging; D002318:Cardiovascular Diseases / Q000517:prevention & control*; D005260:Female; D006304:Health Status; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D016138:Walking