title: Aging process yields secrets to long-term study at unique research center.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D005260:Female; D005853:Geriatrics; D006801:Humans; D008297:Male; D008875:Middle Aged; D009316:National Institutes of Health (U.S.); D014481:United States