The study enrolled 1,074 patients with cancer who were smokers and were therefore referred to a tobacco treatment program at a comprehensive cancer center during the years 2012 and 2013. Smoking status, nicotine dependence, and e-cigarette use was assessed at baseline and the patients were followed for six-month. The primary outcome was smoking cessation, measured as seven-day abstinence at follow-up.

3. Electronic cigarettes have surpassed nicotine replacement therapy (NRT) and other drugs as the most commonly used smoking cessation method.

In fact, this is precisely the way some are interpreting these findings. One on the study is entitled: "Think smoking outdoors always protects others? This study suggests not."

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