(See: Schober W, et al. Use of electronic cigarettes [e-cigarettes] impairs indoor air quality and increase FeNO levels of e-cigarette consumers. International Journal of Hygiene and Environmental Health 2013; doie: 10.1016/j.ijheh.2013.11.003.)

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.

Do not apply pre-market review requirements for electronic cigarettes, at least until the effective date of the final regulations.

d. Cherry crush

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