These data all but destroy the gateway hypothesis. They demonstrate that at the current time, the evidence simply does not support the assertion that the proliferation of e-cigarette use among youth is leading to increased smoking initiation. Electronic cigarettes are not leading to a lifetime addiction to cigarette smoking among our nation's youth.

Earlier this week, I that the 2014 Surgeon General's fails to disclose the conflicts of interest of its authors, many of whom have received money from pharmaceutical companies which manufacture the very products about which the report opines. I also how this is particularly problematic, since the report itself complains about how historically, tobacco-funded scientists failed to disclose their conflicts of interest. I concluded that the 2014 Surgeon General's report is violating the very ethical principles that it attacks the tobacco company for violating in the past, and I note that while there has been substantial progress in the past 50 years in the area of disclosure of conflicts of interest, somehow that progress has evaded the producers of the Surgeon General's report itself.

1. There is absolutely no evidence to support it. Not a single study has shown that smoking cessation rates with electronic cigarettes are lower than what would have been expected in the absence of e-cigarettes. In fact, the overwhelming evidence from the existing clinical trials is that while modest in magnitude, electronic cigarettes do aid smoking cessation and compare favorably against the nicotine patch, which is currently the gold standard for smoking cessation.

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