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 E Cigarettes and Pregnancy Maternal Infant Health CDC E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine Study Suggests Heating Devices in E cigarettes Damage Lungs AAFP