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.

Mark Ten: nicotine, PG, VG, flavorings

Yesterday, I that the 2014 Surgeon General's , released last Friday, failed to disclose the financial conflicts of interest of many of its authors. Specifically, the report is hiding the fact that many of its authors have or had financial conflicts of interest with pharmaceutical companies that manufacture the smoking cessation products about which the report provides a misleadingly positive review.

However, the "health" advocates want e-cigarettes to be defined as tobacco products. Even though they are not tobacco products and do not contain any tobacco.

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