Electronic Cigarettes and the Lungs: What you NEED to know E Cigarette Direct Researchers Reveal How Vaping Causes Brain and Lung Damage Experts warn that flavored e cigarettes can cause irreversible lung damage, as seen in a U.S. teenager who developed "popcorn lung"a severe and permanent condition called bronchiolitis obliteransafter secretly vaping for three years. Curious about the difference between healthy lungs and a vapers lungs? See how vaping impacts your lungs, and why its best to quit early. Cardiologists establish how e cigarettes damage the brain, blood vessels and lungs EurekAlert! What are the respiratory effects of e cigarettes? The BMJ