In an published last week in the Los Angeles Times, CDC director Dr. Thomas Frieden was quoted as stating:

Obviously, it is to the great disadvantage of cigarette profits to have e-cigarettes classified and treated separately. For example, if e-cigarettes are taxed as heavily as cigarettes, then cigarettes are protected from competition and have a huge market advantage. If e-cigarette use is not allows in the same places where smoking is allowed, then cigarettes also are protected from competition and gain a huge market advantage.

If we accept that authors' word - that there is no way from this study to exclude the possibility that youths are initiating smoking with conventional cigarettes and then moving on to e-cigarettes - then it follows that these authors are being dishonest in telling the public that the study shows that:

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