Teen Health Info : Nicotine cigarettes, snus and more E Liquide E cigarette Red bul, ni alcool ni produit cancrigne Can vaping damage your lungs? What we do (and don't) know Harvard Health REDRED Puff 800 2% Experts say that flavored e cigarettes can 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,