1. There is absolutely no evidence to support it. Not a single study has shown that smoking cessation rates with electronic cigarettes are lower than what would have been expected in the absence of e-cigarettes. In fact, the overwhelming evidence from the existing clinical trials is that while modest in magnitude, electronic cigarettes do aid smoking cessation and compare favorably against the nicotine patch, which is currently the gold standard for smoking cessation.

After one year follow-up, both the ex-smokers and dual users experienced a significant improvement in asthma symptoms and lung function, especially small airways obstruction. Although the improvements in lung function were small, the improvements in asthma symptoms were clinically relevant.

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