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 The Difference Between Healthy Lungs and Smoker's Lungs Cases of Vaping Related Lung Illness Surge, Health Officials Say The New York Times Study links chronic vaping to progressive lung damage Harvard Gazette How to Understand Vaping's Dangers RSDC Smoker's lungs vs. healthy lungs: Facts, pictures, and more