Years ago, this doctor linked a mysterious lung disease to vaping Vaping isn't just a trendit's a growing health risk. Studies have linked e cigarette use to serious lung conditions like Bronchiolitis Obliterans, often called popcorn lung, which damages the smallest airways and permanently Can vaping damage your lungs? What we do (and don't) know Harvard Health Cigarette lectronique incassable CigaretteElec