This training focuses specifically on children and adolescents and provides attendees with an overview of risk and protective factors of substance use and discusses the prevention and treatment of substance use disorders. Attendees learn about the stages of child development and how these may be affected by substance use. Attendees are also exposed to evidence-based interventions for adolescents who use substances and ways to diagnose and effectively treat substance use in adolescents. Dual diagnosis, facilitating groups with adolescents, the impact of fetal alcohol spectrum disorders and prenatal methamphetamine exposure are also discussed, with additional context provided for populations with HIV prevalence.