SAMHSA’s Center for Mental Health Services (CMHS) leads federal efforts to promote the prevention and treatment of mental disorders. SAMHSA’s Center for Substance Abuse Prevention (CSAP) aims to develop comprehensive systems through providing national leadership in the development of policies, programs, and services to prevent the onset of substance misuse. SAMHSA’S Evidence-Based Practices Resource Center works to provide communities, clinicians, policymakers, and others in the field with the information they need to incorporate evidence-based practices in their communities for prevention, treatment, and recovery services.