title: Letter: Carbohydrates and brain metabolism.
mesh_terms: D000293:Adolescent; D001921:Brain / Q000378:metabolism*; D002648:Child; D003863:Depression / Q000209:etiology; D004040:Dietary Carbohydrates / Q000378:metabolism*; D006801:Humans; D012701:Serotonin / Q000096:biosynthesis / Q000172:deficiency
chemical_list: D004040:Dietary Carbohydrates; D012701:Serotonin