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Research Letter
September 8, 2020

Trends in e-Cigarette Use in Adults in the United States, 2016-2018

Author Affiliations
  • 1The Johns Hopkins Ciccarone Center for the Prevention of Cardiovascular Disease, Baltimore, Maryland
  • 2The American Heart Association Tobacco Regulation and Addiction Center, Dallas, Texas
  • 3Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland
  • 4Department of Medicine, Yale New Haven Hospital, New Haven, Connecticut
  • 5Department of Global Health, Boston University, Boston, Massachusetts
JAMA Intern Med. Published online September 8, 2020. doi:10.1001/jamainternmed.2020.2817

e-Cigarettes are generally perceived to be less harmful than traditional cigarettes.1 A considerable public health challenge is their use among young adults who have never smoked and among vulnerable subgroups, including individuals with mental health conditions and pregnant women.2-4 The rapidly evolving e-cigarette market, outdated tobacco laws and regulations, and the recent outbreak of e-cigarette or vaping product use–associated lung injuries highlight the need for up-to-date data on e-cigarette use.