Canadian teen develops 'popcorn lung' like vaping illness, unlike U.S. patients Vaporiser Battery Pen 510 CCELL TH2 CTIP PTIP Oil Cartridges Custom Vape Pen Battery 510 Thread Yes, vaping is toxic. A U.S. teen developed "popcorn lung" after secretly vaping for three years a permanent, life altering disease. Officially known as bronchiolitis obliterans, the condition scars the lungs' tiniest Bronchiolitis obliterans, commonly known as 'popcorn lung', is an inflammatory lung disease that can cause dry cough, shortness of breath, and wheezing. So how does it get its name? 'Popcorn lung'