The impact of e cigarette exposure on different organ systems: A review of recent evidence and future perspectives ScienceDirect What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Emerging medical research continues to examine the respiratory risks associated with flavored e cigarettes, including concerns about bronchiolitis obliteransoften referred to as popcorn lung. The condition involves inflammation and scarring of the Flavor induced inflammation and cytotoxicity in human aortic smooth muscle cells: Potential implications for E cigarette safety ScienceDirect