title: Invited commentary--Physical activity benefits various aspects of healthy aging: Comment on "Physical activity at midlife and health-related quality of life in older men".
authors.forename: Qi
authors.initials: Q
authors.lastname: Sun
authors.forename: Frank B
authors.initials: FB
authors.lastname: Hu
authors.forename: Francine
authors.initials: F
authors.lastname: Grodstein
mesh_terms: D000375:Aging / Q000502:physiology*; D006304:Health Status; D006801:Humans; D008297:Male; D008875:Middle Aged; D009043:Motor Activity / Q000502:physiology*; D011788:Quality of Life; D012016:Reference Values; D011795:Surveys and Questionnaires; D014481:United States