The annual National Household Survey on Drug Abuse (NHSDA) is available online from the http://www.DrugAbuseStatistics.samhsa.gov Substance Abuse and Mental Health Services Administration (SAMHSA). SAMHSA also publishes reports from the Drug Abuse Warning Network (DAWN), which looks at the number of emergency room visits and deaths attributable to drug use.

Other major surveys of drug use include the following:

http://monitoringthefuture.org Monitoring the Future focuses on drug use among high school students (8th, 10th, and 12th graders).

http://www.cdc.gov/nccdphp/brfss CDC Behavioral Risk Factor Surveillance System looks at health risk behaviors among adults, including the use of alcohol and tobacco.

http://www.cdc.gov/tobacco CDC Tobacco Information and Prevention Source give statistics on tobacco use among adults and young people.

http://www.cdc.gov/nccdphp/dash/yrbs/index.htm CDC Youth Risk Behavior Surveillance System looks at a variety of health risk behaviors among young people, including the use of tobacco, alcohol and other drugs.

http://www.hsph.harvard.edu/cas Harvard School of Public Health College Alcohol Study examines health risk behaviors among college students, including binge drinking, tobacco use, and illicit drug use.