While research is clearly needed to understand the trajectory of youth use of electronic cigarettes, the Monitoring the Future survey data do not support the CDC's conclusion that these products are serving as a gateway to youth smoking.

This is particularly disturbing, as five years have passed and numerous studies have been published since the FDA originally told the public that cigarette smoking may be than using non-tobacco, non-combusted electronic cigarettes.

It is easy to see why this methodology is inappropriate to assess smoking cessation rates among smokers who use e-cigarettes in an attempt to quit smoking.

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