The Substance Abuse and Mental Health Services Administration (SAMHSA) and Administration on Aging (AoA) commissioned a series of Issue Briefs to address behavioral health issues that are important to older Americans. The Issue Briefs identify key information and opportunities for action that can improve the lives of older people. This brief provides information on and examples of misuse and abuse of alcohol in older adults, as well as information on innovative screening, prevention, intervention, and treatment methods for alcohol and drug misuse among older adults.