Malnutrition--a neglected cause of learning failure.
D001289:Attention Deficit Disorder with Hyperactivity / Q000209:etiology; D001460:Barbados; D006128:Growth; D006801:Humans; D007223:Infant; D007360:Intelligence; D007859:Learning Disabilities / Q000209:etiology*; D008137:Longitudinal Studies; D009748:Nutrition Disorders / Q000150:complications*; D012727:Sex Characteristics; D012741:Sexual Maturation; D012959:Socioeconomic Factors