Addiction Research Unit State University of New York This Web site describes the research activities of the Addiction Research Unit. Various components of the site are targeted for general readers, academic students, and professional colleagues. Research focuses on the biological basis of drug addiction, with primary emphasis on cocaine and heroin addiction and secondary emphasis on commonly used substances. The research unit advocates a harm-reduction strategy and cautions against classifying all substance use as addictive substance use. This is not a comprehensive site, but focuses on specific aspects of drug addiction. It does offer online publications of orignianl work and links to other Internet resouces. A very detailed overview of the Research Unit.