In light of these findings, the best that the study authors could do to implicate electronic cigarettes as a human health hazard was to proclaim that "e-cigarettes are not emission-free." If that is the worst thing that thsee researchers can say, then it certainly doesn't appear to rise to the level of a known health hazard for which government intervention is necessary at this time.

Clearly, the FDA does not believe that there is sufficient evidence at the present time to conclude that cigarette smoking is any more hazardous than vaping.

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