Regarding the engagement of Facebook users in research, Facebook's states the following:

The study concludes that "e-cigarette use is aggravating rather than ameliorating the tobacco epidemic among youths."

According to a "" on the Americans for Nonsmokers Rights (ANR) web site, short-term use of electronic cigarettes impairs lung function and can cause difficulty breathing:

(See: Borderud SP, Li Y, Burkhalter JE, Sheffer CE, Ostroff JS. Electronic cigarette use among cancer patients: Characteristics of e-cigarette users and their smoking cessation outcomes. Cancer. Published online ahead of print on September 22, 2014. doi: 10.1002/cncr.28810.)

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