Yes, vaping is toxic and the consequences can be permanent. A U.S. teenager developed popcorn lung a life altering, incurable condition after secretly vaping flavored e cigarettes for Smoking cigarettes has long been proven to cause severe lung damage, including chronic obstructive pulmonary disease (COPD), emphysema, and lung cancer. Over time, cigarette smoke destroys lung tissue, fills airways with tar, Can vaping damage your lungs? What we do (and don't) know Harvard Health Amazon.com: Don't Breathe It In Poster quit vaping e cigarettes risks vaping can harm your lungs classroom poster schools clinics anti vaping campaigns 11 x 17: Posters & Prints