As I point out in the piece, the CDC is partly responsible for the backlash against e-cigarettes because it publicly concluded that e-cigarettes are a gateway to smoking:

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.

The study reports that at one year follow-up, the rate of smoking cessation among the baseline non-e-cigarette users was 13.8%, compared to 10.2% for the 88 electronic cigarette users, a difference that was not statistically significant. On this basis, the study concludes that electronic cigarettes are not effective for smoking cessation.

The most damaging revelation in the FDA's is the fact that the agency is not sure that smoking is any more hazardous than vaping.

Well, Polosa et al. have conducted exactly such a . They examined the changes in asthma symptoms among smokers who continue to smoke versus those who switch to electronic cigarettes. These investigators reported that in contrast to real cigarettes, the fake ones result in actual harm reversal. Lung function, asthma control, and asthma symptoms were significantly improved among patients who switched from regular cigarettes to electronic cigarettes. These improvements were even observed among patients who became dual users of both real and fake cigarettes.

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