Drug and alcohol abuse are age-old problems, but the development of treatment programs occurred fairly recently. Most formal treatment programs were founded in the second half of the twentieth century. Many came about because of an increased focus on social programs during the mid-1960s. In that period, President Lyndon B. Johnson created a policy called the Great Society, which stressed that communities should take responsibility for social problems and learn how to solve them. As a result of Great Society policies, new terms such as "community-based" and "storefront" (referring to programs that operated out of storefronts in various communities) emerged. The programs that developed from this time forward took varying approaches to treatment for substance abuse. This article presents an overview of some significant drug and alcohol abuse treatment programs, centers, and organizations...