The bottom line: it appears that the use of electronic cigarettes has tremendous health benefits not only for those who quit smoking, but also for those who become dual users. While it may take longer for these individuals to eventually get off of nicotine altogether, it appears that the switch to e-cigarettes yields a much lower level of nicotine addiction, making it easier, not harder, to subsequently cease using nicotine if they so desire.

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.

The study finds that e-cigarette use is associated with smoking status. In addition, e-cigarette use is associated with heavier smoking and with fewer periods of smoking abstinence.

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

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