A Closer Look at Vaping Associated Lung Injury: What You Can Do for Your Patients 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. For Vapers, Frightening Health Consequences Are Quickly Emerging Cardiologists establish how e cigarettes damage the brain, blood vessels and lungs EurekAlert!