Chemical Composition of Aerosols from the E Cigarette Vaping of Natural and Synthetic Cannabinoids Chemical Research in Toxicology How Risky Is Vaping? Northern Nevada Health, Sparks, Nevada The Impact of Device Settings, Use Patterns, and Flavorings on Carbonyl Emissions from Electronic Cigarettes Understanding the Dangers of Vaping: Popcorn Lung and Diacetyl Risks New lung scans prove vaping is toxic. The science is officially in. Scans show that teens have developed "popcorn lung" as a result of vaping. It's a permanent, chronic disease that shortens Chemical linked to 'popcorn lung' found in flavored e cigarette: study 2015 12 16