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 Chemicals found in e cigarette flavors tied to lung disease Dangers of Vaping: Why E Cigarettes Are Harmful to Health Diacetyl Free Vape Juice: Safe Brands Guide (2026) Cyclone Pods Processed Food Flavoring Additive 'Diacetyl' also in Vape Chemical Free Life In secondhand vape, scientists smell risk American Heart Association