Alcohol, Tobacco, and Nonmedical Drug Use Disorders in U.S. Adults Aged 65 Years and Older: Data From the 2001-2002 National Epidemiologic Survey of Alcohol and Related Conditions

More than one in five older adults ever had a substance use disorder, and more than 1 in 20 had a disorder in the past 12 months, primarily involving alcohol or tobacco. Older adults have increased comorbidities and use of medications, which can increase risks associated with substance use. (Am J Geriatr Psychiatry 2011; 19:292-299)