Lungs After Smoking: Understanding Popcorn Lung from Vaping Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica Popcorn Lung': Vapers at Risk of Irreversible Disease, Experts Warn : ScienceAlert Does vaping cause lung cancer? UT MD Anderson Experts show that flavored e cigarettes cause irreversible lung damage. A U.S. teen developed "popcorn lung" after secretly vaping for 3 years a permanent, life altering disease. Officially known as bronchiolitis obliterans, the