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 Understanding the Dangers of Vaping: Popcorn Lung and Diacetyl Risks The Impact of Device Settings, Use Patterns, and Flavorings on Carbonyl Emissions from Electronic Cigarettes Public Health Consequences of E Cigarettes Health effects of electronic cigarettes Wikipedia