Popcorn lung: What is it, and who is at risk? Harvard Health Amazon.com: ALGRA Vaping Effects on Lungs Poster 24" x 36" Laminated Educational Health Chart Anatomy of Alveoli Damage & Respiratory System Classroom, Medical Office, School Wall Chart : Office Products 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. Vaping associated constrictive bronchiolitis ScienceDirect