• The truth is that the study we relied upon did not measure the time course of electronic cigarette and cigarette use. Thus, it could not determine whether the kids who were using both cigarettes and electronic cigarettes had initiated with smoking or with electronic cigarettes.

The Rest of the Story

If "they are not harmless" is the worst that opponents can say about electronic cigarettes in 2014, then there doesn't seem to be much of a controversy over whether these products are much safer alternatives to smoking. Likewise, there doesn't appear to be much of a controversy over whether switching to e-cigarettes is a wise choice for smokers who want to quit but feel unable to do so cold turkey (which is, of course, the best option).

The specific financial interests of the co-authors, according to the anti-smoking groups are:

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