title: Methadone-induced endorphin dysfunction in addicts.
mesh_terms: D000324:Adrenocorticotropic Hormone / Q000378:metabolism; D001921:Brain / Q000187:drug effects; D004723:Endorphins / Q000378:metabolism*; D006801:Humans; D006854:Hydrocortisone / Q000378:metabolism; D008297:Male; D008691:Methadone / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology; D009271:Naltrexone / Q000494:pharmacology; D009293:Opioid-Related Disorders / Q000534:rehabilitation; D011957:Receptors, Opioid / Q000187:drug effects; D013375:Substance Withdrawal Syndrome
chemical_list: D004723:Endorphins; D011957:Receptors, Opioid; D009270:Naloxone; D009271:Naltrexone; D000324:Adrenocorticotropic Hormone; D008691:Methadone; D006854:Hydrocortisone