Dr Farsalinos E Liquid Study Finds Diacetyl Present Vapes and Popcorn Lungs: A Doctor's Honest Take on E Cigarettes Chemical linked to 'popcorn lung' found in flavored e cigarette: study 2015 12 16 Understanding the Dangers of Vaping: Popcorn Lung and Diacetyl Risks 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! 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