How can they sleep at night?

As I earlier this week, the truth is that this paper provides no evidence whatsoever that e-cigarette use is a gateway to smoking. Instead, it is entirely possible - and quite likely - that youths who use e-cigarettes are more likely to be heavier and more resistant smokers. I argued that by relying on this false evidence, the politicians are essentially lying to the American public. They are misrepresenting the scientific evidence, twisting it to try to support their pre-determined conclusion.

The Marini study demonstrates that electronic cigarettes do lead to a reduction in exhaled nitric oxide, which suggests that they have a mild respiratory irritant effect and induce some inflammation in the airways. This is a finding which has been reported previously in a number of studies. It is not surprising because propylene glycol is known to be a mild respiratory irritant.

The SAMHSA article is full of ridiculous statements and poor reasoning, such as the conclusion that electronic cigarettes are repeating the Big Tobacco story because their ads use celebrities:

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