title: Annual survey documents continued increases in use of ecstasy among U.S. teenagers.
mesh_terms: D000293:Adolescent; D004282:Documentation; D005260:Female; D006801:Humans; D008297:Male; D018817:N-Methyl-3,4-methylenedioxyamphetamine; D019966:Substance-Related Disorders / Q000453:epidemiology*; D011795:Surveys and Questionnaires; D014481:United States / Q000453:epidemiology
chemical_list: D018817:N-Methyl-3,4-methylenedioxyamphetamine