• The truth is that there are at least 10 published studies that examined the health effects of electronic cigarettes. And this doesn't even include the more than 20 studies in which the chemical constituents of electronic cigarette liquids or vapor have been analyzed using gas chromatography/mass spectrometry.

First, disclosure of conflicts of interest has become a widely accepted guideline for ethical practice in medicine and public health. Most, if not all, reputable public health and medical journals require authors to disclose any relevant conflicts of interest and most journals publish any conflicts that are disclosed.

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