Relationship of age to nutrient requirements.
D000367:Age Factors; D000368:Aged; D000375:Aging; D000818:Animals; D003469:Culture; D004035:Diet Therapy; D004435:Eating; D005853:Geriatrics; D006801:Humans; D008286:Malabsorption Syndromes; D008660:Metabolism; D009748:Nutrition Disorders / Q000517:prevention & control; D009747:Nutritional Physiological Phenomena; D009751:Nutritional Requirements; D051381:Rats; D012959:Socioeconomic Factors