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 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.

This guide provides guidelines for brief treatment and counseling with adults living with a marijuana dependence. It describes common treatment issues, assessment of marijuana use, motivational interventions, and how to change marijuana use through skill building.