Major depressive disorder is a condition that lasts two or more weeks and interferes with a person’s ability to carry out daily tasks and enjoyed activities that previously brought pleasure. This condition affects approximately 16 million American adults, or about 6.7 percent of the U.S. population age 18 and older.1
- Center for Behavioral Health Statistics and Quality. (2016). 2015 National Survey on Drug Use and Health: Detailed Tables. Substance Abuse and Mental Health Services Administration, Rockville, MD.