title: Introduction to mini-symposium on nutrition and aging.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D000818:Animals; D001823:Body Composition; D001921:Brain / Q000502:physiology; D004435:Eating; D002149:Energy Intake; D004734:Energy Metabolism; D005508:Food Deprivation; D006801:Humans; D008297:Male; D008875:Middle Aged; D008954:Models, Biological; D009749:Nutrition Surveys; D009747:Nutritional Physiological Phenomena; D051381:Rats