Primary Care Behavioral Interventions to Prevent or Reduce Illicit Drug Use and Nonmedical Pharmaceutical Use in Children and Adolescents: A Systematic Evidence Review for the U.S. Preventive Services Task Force

Background: Drug use among youths is associated with negative health and social consequences. Even infrequent use increases the risk for serious adverse events by increasing risk-taking behaviors in intoxicated or impaired persons. Purpose: To systematically review the benefits and harms of pri-mary care–relevant interventions designed to prevent or reduce illicit drug use or the nonmedical use of prescription drugs among youths