National Survey on Drug Use and Health

The National Survey on Drug Use and Health, often abbreviated NSDUH, is an annual nationwide survey on the use of legal and illegal drugs, as well as mental disorders, that has been conducted by the United States federal government since 1971. It is funded by the Substance Abuse and Mental Health Services Administration (SAMHSA), and is supervised by the SAMHSA's Center for Behavioral Health Statistics and Quality. The survey interviews about 70,000 Americans aged 12 and older, through face-to-f