AbstractBackground Simultaneous alcohol and marijuana (SAM) use raises significant concern due to the potential for additive or interactive psychopharmacological effects. However, no nationally representative studies are available that document prevalence, trends, or related factors in US youth SAM use. Methods Nationally representative cross-sectional samples of 12th grade students surveyed in the Monitoring the Future project… Continue reading Simultaneous alcohol and marijuana use among US high school seniors from 1976 to 2011: Trends, reasons, and situations

While recent attention suggests that positive and negative alcohol-related expectancies are important determinants of alcohol use, less is known about what types of consequences young people report actually experiencing when drinking alcohol. The present study (N = 742, 54% women) examined positive (Fun/Social, Relaxation/Coping, Positive Image) and negative (Physical, Behavioral, Driving) consequences of alcohol use… Continue reading Positive and negative alcohol-related consequences: Associations with past drinking