The article reports the results of a cross-sectional sample of adolescents interviewed in 2011 and 2012 in the National Youth Tobacco Survey. Youths were asked to report their smoking status as well as their e-cigarette use, both any use and current use (at least once in the past month).

Electronic cigarettes are not for everyone, and this study was not designed to examine the proportion of smokers who will be successful in quitting or cutting down substantially. However, it does document that among those who are successful in becoming ex-smokers or dual users with substantially lowered cigarette consumption, they will likely experience an improvement in their respiratory health.

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