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Research Letter
September 16, 2019

Prevalence of e-Cigarette Use Among Adults in the United States, 2014-2018

Author Affiliations
  • 1College of Public Health, University of Nebraska Medical Center, Omaha
  • 2Department of Preventive Medicine, University of Southern California Keck School of Medicine, Los Angeles
JAMA. 2019;322(18):1824-1827. doi:10.1001/jama.2019.15331

Prevalence of e-cigarette use among US adolescents substantially increased from 2017 to 2018.1 Whether prevalence also increased among young adults (18-24 years)—a population with high vaping rates2 and vulnerability to nicotine dependence and other health consequences of nicotine exposure3—is unknown.