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 Exposure to Electronic Cigarettes Impairs Pulmonary Anti Bacterial and Anti Viral Defenses in a Mouse Model PLOS One 2 popular vape flavors may increase inflammation in brain, lungs How does e cigarette vapor alter the gut microbiome, body weight, and systemic inflammation levels?