More frequent vaping among teens linked to higher risk of heavy cigarette smoking

fb-square-english-spanish11/8/16–Adam M. Leventhal, cialis Ph.D., of the University of Southern California Keck School of Medicine, Los Angeles, and colleagues examined associations of e-cigarette vaping with subsequent smoking frequency and heavy smoking among adolescents. E-cigarette vaping is reported by 37 percent of U.S. 10th-grade adolescents and is associated with subsequent initiation of combustible cigarette smoking, say investigators. Read