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 File:Effects of e cigarette mediated reproductive disruption.png Wikimedia Commons Frontiers The Interplay Between Respiratory Microbiota and Innate Immunity in Flavor E Cigarette Vaping Induced Lung Dysfunction Just Like Cigarettes, Vaping Likely Causes Cancer, Major Study Finds