Vapor from e cigarettes may impair the cells that line the lungs Nearly Half of JUULpods Contain Lung Toxin Study Says Can vaping damage your lungs? What we do (and don't) know Harvard Health Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis Does Vaping Reduce Lung Cancer Risk? Insights from an Oncologist Dr Saadvik Raghuram Doctors Terrified by Vaping Lung Injuries, Deaths The Brink Boston University