title: Upward trend in teenage drug use continues.
mesh_terms: D000293:Adolescent; D005260:Female; D006801:Humans; D013287:Illicit Drugs; D008297:Male; D013334:Students / Q000706:statistics & numerical data*; D019966:Substance-Related Disorders / Q000453:epidemiology*
chemical_list: D013287:Illicit Drugs