WKCR programmer Danielle Smith sits down with Professor Deborah Hasin, a professor of epidemiology at Columbia University Medical Center to discuss two studies: "Epidemiology of DSM-5 Alcohol Use Disorder" and "Medical Marijuana Laws and Adolescent Marijuana Use in the USA from 1991 to 2014." Professor Hasin and Smith discuss the results of the two studies, the concerns of alcohol and marijuana use, and the need for education concerning the two issues.