Old age--a problem for society as a whole.
D000059:Accidents; D000368:Aged; D000375:Aging; D002318:Cardiovascular Diseases / Q000453:epidemiology; D003153:Community Health Services; D003695:Delivery of Health Care; D004734:Energy Metabolism; D004777:Environment; D005853:Geriatrics / Q000193:education; D006707:Homes for the Aged; D006801:Humans; D007391:International Cooperation; D008134:Long-Term Care; D001523:Mental Disorders; D009748:Nutrition Disorders; D009826:Old Age Assistance; D011315:Preventive Medicine; D012046:Rehabilitation; D012947:Social Work; D012959:Socioeconomic Factors