title: The biology of aging.
authors.affiliation: Geriatric Research, Education, and Clinical Center, St. Louis Veterans Affairs Medical Center, Saint Louis, MO 63125, USA.
authors.forename: H J
authors.initials: HJ
authors.lastname: Armbrecht
mesh_terms: D000375:Aging / Q000502:physiology*; D005075:Biological Evolution; D016922:Cellular Senescence; D004249:DNA Damage; D005609:Free Radicals; D006801:Humans; D007109:Immunity; D008954:Models, Biological; D009490:Neurosecretory Systems / Q000502:physiology
chemical_list: D005609:Free Radicals