In summary, this study helps to alleviate concerns raised by prior research and does not raise any new concerns. While more research is clearly needed, especially because there are so many different brands of electronic cigarettes on the market, the current evidence does not point to any substantial health hazards associated with passive vaping.

Fortunately, the vast majority of the public appears to have better scientific judgment than the FDA and to recognize that cigarette smoking is far more hazardous than the use of an electronic nicotine delivery system that merely aerosolizes nicotine from a propylene glycol solution that is completely free of any tobacco or any combustion.

Third, the Surgeon General's report comes across as a project of massive hypocrisy, as the report itself complains about how tobacco-funded scientists failed to disclose their conflicts of interest. The report emphasizes that in the 50 years since the release of the report, disclosure of financial conflicts has become the "norm." It bemoans the fact that in the past, tobacco-funded scientists did not disclose their conflicts of interest, which left readers unaware of these important financial relationships.

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