It is easy to see how this fatal flaw in the research destroys the validity of the authors' conclusion.

The Rest of the Story

If it were a public health policy based on some sort of health principles, then it certainly would not penalize ex-smokers who quit using electronic cigarettes. In contrast, it would actually reward these individuals for having quit smoking and perhaps saved their lives.

"It is not known how much nicotine or other potentially harmful chemicals are inhaled by users, nor is it known whether e-cigarette use may lead to use of other tobacco products. Neither are the benefits of using e-cigarettes over traditional products known."

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