The study finds that e-cigarette use is associated with smoking status. In addition, e-cigarette use is associated with heavier smoking and with fewer periods of smoking abstinence.

The study found that: "Neither a brief session of active e-cigarette smoking (indicative: 3% reduction in FEV1/FVC) nor a 1 h passive e-cigarette smoking (indicative: 2.3% reduction in FEV1/FVC) significantly affected the lung function (p > 0.001). In contrast, active (indicative: 7.2% reduction in FEV1/FVC; p < 0.001) but not passive (indicative: 3.4% reduction in FEV1/FVC; p = 0.005) tobacco cigarette smoking undermined lung function."

To make matters worse, the deeming regulations would prohibit electronic cigarette companies from informing their consumers that vaping is less hazardous than smoking. In fact, e-cigarette companies would not even be allowed to inform consumers that electronic cigarettes are free of tobacco, or that they have much lower levels of a number of carcinogens and are free of thousands of harmful chemicals that are present in tobacco smoke.

These studies are simply ignored by the Surgeon General's report and by my colleagues who have attacked me. It would be one thing if there were no evidence for my opinions, but it's hardly appropriate to attack an individual for expressing an opinion that is backed up by scientific studies.

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