Professor Kelly joined the faculty at Purdue University in 2006. He is currently the Director of Purdue's Center for Research on Young People's Health. He has authored or co-authored publications in several social science and public health journals including, the Sociology of Health & Illness, American Journal of Public Health, Addictive Behaviors, Drug and Alcohol Dependence, and the Journal of Urban Health. His topical areas of research interest include drug use, sexual health, HIV/AIDS, and comparative youth cultures. He is currently working on a book Dancing with Risk: The Subcultural Logic of Clubs, Drugs, and Risk among Late-Modern Youth, which explores social, structural, and subcultural factors shaping the ways in which youth experience and act on risk in their lives. The foci of his current research projects include work on prescription drug abuse among NYC-area youth, methamphetamine abuse and HIV risk in China, club drug use among young adults, and the health and well-being of adolescent girls in age discordant relationships.