title: New study on aging heart.
authors.affiliation: Bethesda.
authors.forename: Laura
authors.initials: L
authors.lastname: Bonetta
mesh_terms: D000368:Aged; D000375:Aging; D002303:Cardiac Output, Low / Q000503:physiopathology* / Q000517:prevention & control; D003971:Diastole / Q000502:physiology*; D015444:Exercise; D006333:Heart Failure / Q000209:etiology / Q000503:physiopathology / Q000517:prevention & control; D006801:Humans; D009316:National Institutes of Health (U.S.); D012109:Research Support as Topic; D014481:United States