What The Study Did: National survey data were used to look at how common electronic cigarette use is among U.S. adults, if they were current or former smokers and used e-cigarettes to help quit smoking.
Authors: Margaret Mayer, Ph.D., M.P.H., of the National Institutes of Health in Bethesda, Maryland, is the corresponding author.
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(doi:10.1001/jamanetworkopen.2020.20694)
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