Johnston, L.D., O’Malley, P.M., Bachman, J.G., and Schulenberg, J.E. – 2011
Results of a study of adolescent substance use trends. Most important findings show a significant increase in daily use of marijuana among 8th, 10th, and 12th graders. Rates of perceived risk and disapproval of marijuana are falling, and availability is increasing. Report also tracks adolescent use trends for inhalants, LSD, cocaine, crack, amphetamines, methamphetamine and crystal methamphetamine, heroin, other narcotics such as OxyContin and Vicodin, tranquilizers, sedatives (barbiturates), ecstasy (MDMA) and other club drugs, alcohol, cigarettes, smokeless tobacco, and steroids. Summarizes key findings, areas of concern, and implications for prevention. Notes substance use variations among subgroups such as gender, geographic region, socioeconomic status, and race/ethnicity. Includes detailed breakdowns of study data in tabular format.