"Methadone maintenance treatment (MMT) has been shown to improve life functioning and decrease heroin use; criminal behavior; drug use practices, such as needle sharing, that increase human immunodeficiency virus (HIV) risk; and HIV infection."
Source
Sees, Karen, DO, et al., "Methadone Maintenance vs. 180-Day Psychosocially Enriched Detoxification for Treatment of Opiod Dependence: A Randomized Controlled Trial", Journal of the American Medical Association, 2000, 283:1303.
http://jama.jamanetwork.com/a…
