Nutrition and diseases of the nervous system (including psychiatric disorders).
D000425:Alcohol Amnestic Disorder; D000437:Alcoholism; D000550:Amblyopia; D001602:Beriberi; D001927:Brain Diseases; D003711:Demyelinating Diseases; D003872:Dermatitis; D006801:Humans; D008297:Male; D009422:Nervous System Diseases / Q000150:complications / Q000473:pathology / Q000628:therapy; D009539:Nicotinic Acids / Q000172:deficiency; D009748:Nutrition Disorders / Q000150:complications / Q000473:pathology / Q000628:therapy; D010383:Pellagra; D011618:Psychotic Disorders / Q000150:complications; D013577:Syndrome; D014806:Vitamin B 12 Deficiency; D014899:Wernicke Encephalopathy
D009539:Nicotinic Acids