title: I am 80 going on 18: exercise and the fountain of youth.
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Joyner
authors.forename: Jill N
authors.initials: JN
authors.lastname: Barnes
mesh_terms: D056352:Athletes; D015444:Exercise / Q000502:physiology*; D006801:Humans; D008297:Male; D010807:Physical Endurance / Q000502:physiology*