Common e cigarette chemical flavorings may impair lung function Harvard T.H. Chan School of Public Health Impact of e cigarettes and flavoured vapes on : Current Opinion in Pulmonary Medicine How Risky Is Vaping? Northern Nevada Health, Sparks, Nevada Public Health Consequences of E Cigarettes The Toxic Chemical Causing Lung Disease Among Both Workers Making and Users Vaping E Cigarettes In These Times Emissions from Electronic Cigarettes: Key Parameters Affecting the Release of Harmful Chemicals Environmental Science & Technology