What is Mouth to Lung and Direct to Lung Vaping? Vape Blogs Vapor Shop Direct E cigarette, or Vaping Product, Use Associated Lung Injury (EVALI) Fact Sheets Yale Medicine Inhale this: What does vaping do to your lungs? : ! Facts: 1) It is still not safe as compared to cigarettes. 2) It is bad for the heart and lungs. 3) Trigger addiction to nicotine. #kmitdmc # What are the best mouth to lung (MTL) vape devices? Can vaping damage your lungs? What we do (and don't) know Harvard Health