Each May, the Substance Abuse and Mental Health Administration (SAMSHA) hosts National Prevention Week, "an annual health observance dedicated to increasing public awareness of, and action around, mental health and/or substance use disorders." It occurs during the month of May Each year, National Prevention Week includes daily themes to focus on major substance use and mental health topics. The 2019 daily themes are: Monday, May 13: Preventing Prescription and Opioid Drug Misuse Tuesday, May 14: Preventing Underage Drinking and Alcohol Misuse Wednesday, May 15: Preventing Illicit Drug Use and Youth Marijuana Use Thursday, May 16: Preventing Youth Tobacco Use Friday, May 17: Preventing Suicide