He ended up refuting all those prevalent health concerns regarding e-liquids that most mistake to be facts about vaping.
Where can I find this study? Last I checked, flavorings are still the great unknown...
One must also look at the funding for such studies, in order to understand the results...
It was commissioned by CASSA. No peer reviews... Competing interests Funding for this work was provided by The Consumer Advocates for Smoke-free Alternatives Association (CASAA) Research Fund. CASAA is an all-volunteer, donation-funded, non-profit organization devoted to defending consumer access to and promoting tobacco harm reduction; it is a consumer (not industry) advocacy NGO. For more information, see http://casaa.org/. CASAA exercised no editorial control over the author’s writing or analysis: the author, not the funder, had full control of the content.