E Cigarettes and Vaping PPAC Central Our researchers are studying the effects of vaping on the lungs and airway. They found several components in e cigarettes damage cells that help protect us from viruses. Dr. Fariba Rezaee explains how Popcorn lung: how vaping could scar your lungs for life Popcorn lung: What is it, and who is at risk? Harvard Health 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 Lungs After Smoking: Understanding Popcorn Lung from Vaping