title: More aggressive measures needed to lower tobacco use among nation's youths.
mesh_terms: D000293:Adolescent; D000329:Advertising; D002648:Child; D003365:Costs and Cost Analysis; D006801:Humans; D012907:Smoking / Q000191:economics / Q000331:legislation & jurisprudence*; D016540:Smoking Cessation; D014481:United States