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 Does vaping cause lung cancer? UT MD Anderson Risks of vaping: popcorn lung Vaping: Get the Facts. Protect Your Future Anne Arundel County Health Department Popcorn lung: Causes, symptoms, and treatment