Although many factors may influence the initiation of drug or alcohol use, the perception of risk associated with these behaviors also varies by gender, age, and type of drug. Understanding the different patterns of risk perceptions that emerge during adolescent development may help to better target health communication messages and increase the…

This study examines 12-step groups for recovery from methamphetamine and cocaine use that are attended by men having sex with men and the impact of attendance on HIV risk behavior. Participants in Crystal Meth Anonymous and other 12-step groups were interviewed up to 3 months since their last substance use. Sixty-two initial interviews, and…

Changing alcohol and drug use patterns among women and ethnic minorities, such as the over-representation of Hispanics in alcohol-related deaths, drunk driving arrests, and treatment facilities, emphasize the importance of understanding substance use patterns in these populations. This study attempted to identify a single cause of substance abuse…