Partnership to End Addiction, first known as the Partnership for a Drug-Free America (PDFA) then later as the Partnership at DrugFree.org, and The Partnership for Drug-Free Kids, is a New York City-based non-profit organization which runs campaigns to prevent teenage drug and alcohol use in the United States. It is notable for mobilizing volunteer talent "against a single social problem" to help young people "live their lives free of drug and alcohol abuse," and to assist parents in prevention efforts. The organization gets input from scientists, specialists in communication, researchers and others, and offers resources for parents and teenagers on its website. It focused efforts to "unsell" illegal drugs such as cocaine, heroin, prescription drugs, marijuana, MDMA, and others, as well as