Can vaping damage your lungs? What we do (and don't) know Harvard Health Teens inhale cancer causing chemicals in e cigarettes Popcorn Lung: The Deadly Secret in Your Vape! Did you know that the sweet, tempting flavor in your e liquid could be hiding a chemical called Diacetyl? This chemical, which tastes Popcorn Lung A Hidden Danger of Vaping , We are now seeing a serious lung disease called Popcorn Lung (Bronchiolitis Obliterans) in some young people using e cigarettes and flavored vapes., Vaping Related Illness and Lung Disease NEJM Hashem Vaping is officially deadly. A life altering diagnosis of 'popcorn lung' in a U.S. teenager is sounding the alarm on the hidden dangers of flavored e cigarettes. A U.S. teenager's secret three year