title: Is there some indication from behavioral effects of endorphins for their involvement in psychiatric disorders?
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D002389:Catatonia / Q000209:etiology / Q000503:physiopathology*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004723:Endorphins / Q000494:pharmacology / Q000502:physiology*; D004745:Enkephalins / Q000494:pharmacology; D006801:Humans; D008297:Male; D009270:Naloxone / Q000627:therapeutic use; D051381:Rats; D012559:Schizophrenia / Q000150:complications / Q000188:drug therapy / Q000503:physiopathology*; D014828:Vocalization, Animal / Q000187:drug effects
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009270:Naloxone