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Research Letter
November 8, 2016

Association of e-Cigarette Vaping and Progression to Heavier Patterns of Cigarette Smoking

Author Affiliations
  • 1Department of Preventive Medicine, University of Southern California Keck School of Medicine, Los Angeles
  • 2Department of Family Medicine and Public Health, University of California, San Diego School of Medicine, La Jolla
  • 3Department of Psychiatry, University of Pennsylvania Perelman School of Medicine, Philadelphia
JAMA. 2016;316(18):1918-1920. doi:10.1001/jama.2016.14649

E-cigarette vaping is reported by 37% of US 10th-grade adolescents1 and is associated with subsequent initiation of combustible cigarette smoking.2 Whether individuals who vape and transition to combustible cigarettes are experimenting or progress to more frequent and heavy smoking is unknown. In addition, because some adolescents use e-cigarettes as a smoking cessation aid,3 adolescent smokers who vape could be more likely to reduce their smoking levels over time. Therefore, associations of vaping with subsequent smoking frequency and heaviness pattern among adolescents were examined.

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