The fourth edition of the Behavioral Health Barometer, which offers updates on the behavioral health of the nation, has been released by the Substance Abuse and Mental Health Services Administration (SAMHSA). Updates for each of the 50 states and the District of Columbia feature state-level data for 2015 on such behavioral health issues as the prevalence of substance use, mental illness, and suicidal ideation, allowing comparison with national averages. For more information click here.