title: Nutrition and immunity.
mesh_terms: D000368:Aged; D000917:Antibody Formation; D002648:Child; D006801:Humans; D007111:Immunity, Cellular; D007153:Immunologic Deficiency Syndromes / Q000209:etiology*; D009748:Nutrition Disorders / Q000150:complications* / Q000276:immunology; D012867:Skin / Q000276:immunology