•Ads must not encourage non-smokers or non-nicotine users to use e-cigarettes

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.

It is truly an example of bogus, or junk science.

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