The USC EPIC Study is a 4-year, longitudinal research study. The study provides timely information on the causes and consequences of modern health issues facing teens. EPIC surveys the Class of 2027 and 2028 throughout high school and collects data on teen’s attitudes and behaviors related to nicotine, cannabis, and other drug use as well as explores how mental stressors, social media, and life events impact health.

The ADVANCE Study is a 5-year, longitudinal behavioral research study from 2020-2025. The ADVANCE study has a total of 8 waves of data collection, with 4,400 participating students.

The study surveys youth from 11 schools across the Southern California region and provides current information on the biggest health issues facing teens.

The Happiness and Health (H&H) Study began in 2013-2014. H&H has a total of 14 waves of data collection, with over 3,300 young people participating in the study.

Since its inception, H&H has generated detailed prospective data on key e-cigarette product exposures and use patterns, use of other tobacco products, and mental health.