The role of snacking in the American diet.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003731:Dental Caries / Q000209:etiology; D004032:Diet; D005247:Feeding Behavior; D006801:Humans; D009747:Nutritional Physiological Phenomena; D014481:United States