Problems of the elderly.
D000328:Adult; D000368:Aged; D000375:Aging; D003704:Dementia / Q000453:epidemiology*; D003863:Depression / Q000453:epidemiology* / Q000209:etiology; D004702:Endocrine Glands / Q000502:physiology; D005260:Female; D006801:Humans; D008168:Lung / Q000502:physiology; D008297:Male; D008660:Metabolism; D008875:Middle Aged; D010349:Patient Compliance