The rest of the story is that none of these studies examined quit rates among smokers who were trying to quit using e-cigarettes. None of these studies were in fact designed to examine the role of e-cigarettes in smoking cessation in the first place.

"The standard of consent for terms of service is low. But that “consent” is a legal fiction, designed to facilitate online interactions. (See and ’s books for more.) It’s very different from informed consent, the ethical and legal standard for human subjects research (HSR). The Federal Policy for the Protection of Human Subjects, a/k/a the , requires that informed consent include:

The results of this study suggest that anti-smoking advocates such as Dr. Glantz are wrong in asserting that very few smokers "have switched away from cigarettes or managed to use them as a bridge to eventually go off cigarettes." Instead, there appears to be a large number of smokers who have indeed switched completely from smoking to vaping, and there also appears to be a large number of smokers who have successfully used electronic cigarettes as a bridge to complete smoking cessation.

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