Chemical linked to 'popcorn lung' found in flavored e cigarette: study 2015 12 16 Some e cigarettes contain chemicals that cause popcorn lung Vox Dr Farsalinos E Liquid Study Finds Diacetyl Present 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 Join the movement to Drop the Vape! It's time to take charge of your health and kick the habit. Say no to e cigarettes and vaping, and reclaim a vape free future! Vapes and Popcorn Lungs: A Doctor's Honest Take on E Cigarettes