Screening teens for vaping history key to diagnosing lung disease during pandemic : Newsroom UT Southwestern, Dallas, Texas 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 Most smokers wrongly believe vaping is at least as harmful as smoking UCL News UCL University College London e Cigarettes, Vaping and the Risks of Severe Lung Disease Canyonlands Healthcare