Can vaping damage your lungs? What we do (and don't) know Harvard Health Is Vaping Worse Than Smoking? St. Vincent's Medical Center Curious about the difference between healthy lungs and a vaper's lungs? See how vaping impacts your lungs, and why it's best to quit early. Does Vaping Cause Lung Cancer? INTEGRIS 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