Some e cigarette flavors contain chemical linked to 'popcorn lung' disease The Verge Smoke Vape Causes Lung Disease E cigarette Stock Vector (Royalty Free) 1580147245 Shutterstock Experts warn that flavored e cigarettes can cause irreversible lung damage, as seen in a U.S. teenager who developed "popcorn lung"a severe and permanent condition called bronchiolitis obliteransafter secretly vaping for three years. Vaping and lung disease health risk as a person exhaling steam smoke or vapour shaped as human lungs from an electronic cigarette in a 3D illustration Stock Photo Alamy