Severe chemical pneumonitis from tetrahydrocannabinol 'vaping' and 'dabbing' Cleveland Clinic Journal of Medicine Photos Show Vaping Lung Damage Like Blisters and Lung Collapse Business Insider It's official. Flavored e cigarettes cause permanent lung damage. And doctors are already seeing it happen. In the United States, a teenager developed something called popcorn lung after secretly vaping for three years. E cigarettes pose threat to users' and bystanders' health Novant Health Healthy Headlines Vaping Possible Negative Effects on Lungs: State of the Art From Lung Capacity Alteration to Cancer Cureus