![]() ![]() ![]() middle and high school students, were analyzed to determine the prevalence of current use (≥1 day in past 30 days) of e-cigarettes,* current use of any tobacco product, † frequency of (number of days during the preceding 30 days) e-cigarette use, and current use (any time during preceding 30 days) of any flavored e-cigarettes among U.S. Data from the 2011–2018 National Youth Tobacco Survey (NYTS), a cross-sectional, voluntary, school-based, self-administered, pencil-and-paper survey of U.S. marketplace in 2007 ( 1), and by 2014, e-cigarettes were the most commonly used tobacco product among U.S. ![]() Electronic cigarettes (e-cigarettes) are battery-powered devices that provide nicotine and other additives to the user in the form of an aerosol ( 1).
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