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Electronic cigarette (e-cigarette) use is highly controversial, with proponents suggesting it might help smokers quit, and opponents worrying that it might encourage adolescents to start smoking. Recent reports of acute pulmonary illness and death from contaminated products add to the controversy. In this study, researchers used data from 153,000 adults who responded to a U.S. national health survey to assess use according to age group. Respondents self-reported “ever” and “current” use of e-cigarettes, current volume of e-cigarette usage, and use of conventional cigarettes.
Prevalence of e-cigarette use decreased overall from 2014 to 2017, from 3.7% to 2.8%; however, use jumped to 3.2% in 2018. Prevalence was stable among 18- to 24-year-old…