Research still holds the answer.
D001923:Brain Chemistry / Q000187:drug effects; D003695:Delivery of Health Care; D004298:Dopamine / Q000378:metabolism; D005582:Foundations; D049673:History, 20th Century; D006801:Humans; D001523:Mental Disorders / Q000628:therapy; D011570:Psychiatry / Q000266:history*; D011600:Psychopharmacology; D012106:Research / Q000266:history*; D012109:Research Support as Topic; D012559:Schizophrenia / Q000188:drug therapy / Q000378:metabolism; D014481:United States; D014482:United States Substance Abuse and Mental Health Services Administration
D004298:Dopamine