From the Centers for Disease Control. Current tobacco, alcohol, marijuana, cocaine use.
D000293:Adolescent; D000428:Alcohol Drinking / Q000453:epidemiology*; D003042:Cocaine; D015438:Health Behavior; D006801:Humans; D008385:Marijuana Smoking / Q000453:epidemiology*; D010947:Plants, Toxic; D012494:Sampling Studies; D012907:Smoking / Q000453:epidemiology*; D013334:Students; D019966:Substance-Related Disorders / Q000453:epidemiology*; D014030:Tobacco, Smokeless; D014481:United States / Q000453:epidemiology
D003042:Cocaine