PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers Clinical and radiological characteristics of e cigarette or vaping product use associated lung injury Emergency Radiology Springer Nature Link E Cigs Vapes: Where Did They Come From? Tobacco Prevention Toolkit Stanford Medicine 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. A Closer Look at Vaping Associated Lung Injury: What You Can Do for Your Patients For Vapers, Frightening Health Consequences Are Quickly Emerging