The rest of the story is this study actually found no effect of electronic cigarette use on pulmonary function tests, indicating that there was no clinically significant observable effect of vaping on lung function. Specifically, the study found "no differences between basic pulmonary measurements" between the two groups, demonstrating that acute exposure to electronic cigarette vapor did not affect FEV1, FVC, PEF or MEF50 and MEF75."

I will address each of these two provisions of the deeming regulations, showing why they represent a devastating blow to the public's health and a huge gift for combustible cigarettes and in turn, for cigarette-related disease and death.

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