Given that about 25 percent of persons with AIDS in the United States are intravenous drug abusers, the National Institute on Drug Abuse has initiated a wide variety of research and demonstration outreach projects and training and public information programs focused on reducing the spread of AIDS among intravenous drug abusers, their sexual partners, and their children. Helping addicts discontinue their drug use is a high priority. Psychologists can contribute research, behavior change strategies, improved counseling, and outreach and can help to change negative public attitudes toward AIDS patients. (Author abstract)