Vaping is officially deadly. A life altering diagnosis of 'popcorn lung' in a U.S. teenager is sounding the alarm on the hidden dangers of flavored e cigarettes. A U.S. teenager's secret three year vaping habit Experts show that flavored e cigarettes cause irreversible lung damage. A U.S. teen developed "popcorn lung" after secretly vaping for 3 years a permanent, life altering disease. Officially known as bronchiolitis obliterans, the 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 Curious about the difference between healthy lungs and a vapers lungs? See how vaping impacts your lungs, and why its best to quit early.