This report details findings from the 2006 National Collegiate Athletic Association (NCAA) study of college student athletes, tracking their use of ergogenic drugs (steroids, ephedrine, amphetamine) and social drugs (alcohol, marijuana, cocaine, and tobacco). It also includes data on where student athletes obtain drugs, their perceptions of drug use, their reasons for both using and not using drugs, and the involvement of drug and alcohol use in hazing. Questionnaire with overall results is included. (Contains 24 tables and 5 figures.)