Syndromes associated with nutritional deficiency and excess

Normal functioning of the human body requires a balance between nutritional intake and metabolism, and imbalances manifest as nutritional deficiencies or excess Nutritional deficiency states are associated with social factors (war, poverty famine, and food fads), medical Illnesses with malabsorption (such as Crohn disease, cystic fibrosis, and after bariatric surgery), psychiatric illnesses (eating disorders, autism alcoholism), and medications Nutritional excess states result from inadvertent or intentional excessive intake Cutaneous manifestations of nutritional imbalance can herald other systemic manifestations This contribution discusses nutritional deficiency and excess syndromes with cutaneous manifestations of particular interest to clinical dermatologists (C) 2010 Published by Elsevier Inc