Is Popcorn Lung Caused By Vaping? 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 Does vaping cause Popcorn Lung? Vaperite Vaping harms your health Cancer Institute NSW Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Does vaping cause lung cancer? UT MD Anderson