Nutrition in the aged.
D000328:Adult; D000368:Aged; D000375:Aging; D004035:Diet Therapy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009748:Nutrition Disorders / Q000453:epidemiology / Q000517:prevention & control; D009747:Nutritional Physiological Phenomena