title: The biology of human aging.
mesh_terms: D000375:Aging; D001345:Autoradiography; D001683:Biological Clocks; D002455:Cell Division; D002467:Cell Nucleus / Q000648:ultrastructure; D002470:Cell Survival; D002478:Cells, Cultured; D004247:DNA / Q000096:biosynthesis; D004260:DNA Repair; D006801:Humans; D008017:Life Expectancy
chemical_list: D004247:DNA