The goal of this guide is to review the literature on prevention of marijuana use among youth, distill the research into recommendations for practice, and provide examples of the ways these recommendations can be implemented.

This guide presents three evidence-based practices that engage and improve outcomes for individuals with concurrent substance use and concurrent substance use disorders.

This guide supports health care providers, systems, and communities seeking to prevent marijuana use by pregnant women. It describes relevant research findings, examines emerging and best practices, identifies knowledge gaps and implementation challenges, and offers useful resources.

The goal of this guide is to review the literature on treating substance misuse and substance use disorders in the context of first-episode psychosis, distill the research into recommendations for practice, and provide examples of the ways that these recommendations can be implemented by first-episode psychosis treatment programs.