Popcorn lung: Causes, symptoms, and treatment Risks of vaping: popcorn lung 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 Popcorn lung how vaping can scar your lungs for life RCSI University of Medicine and Health Sciences Does vaping cause lung cancer? UT MD Anderson