The ecology of the aging process and of the aging human--medical care parameters.
D000368:Aged; D000375:Aging / Q000502:physiology*; D001161:Arteriosclerosis / Q000209:etiology; D003327:Coronary Disease / Q000209:etiology; D004463:Ecology; D006801:Humans; D008017:Life Expectancy; D005082:Physical Exertion