Can vaping damage your lungs? What we do (and don't) know Harvard Health Doctors Say Vaping May Be Causing 'Popcorn Lung' Is Vaping Giving You Popcorn Lung? Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica Outbreak of Lung Injury Associated with the Use of E Cigarette, or Vaping, Products Electronic Cigarettes Smoking & Tobacco Use CDC