Can vaping damage your lungs? What we do (and don't) know Harvard Health Vaping Dangers: What Parents Should Know Attorney General Brian Schwalb Dangers of Vaping Chart Poster If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. Vaping Check: Let's Clear the Air Vapes aren't just flavored air. Here's what they can actually do Lung stress inflammation + chemicals = harder breathing Nicotine= brain hijacker