Vaping has officially been linked to a rare and irreversible lung disease known as bronchiolitis obliterans, more commonly referred to as popcorn lung. This condition causes scarring and inflammation of the small Health experts are sounding the alarm about a serious condition linked to vaping, known as "popcorn lung" or bronchiolitis obliterans. This irreversible lung disease is caused by harmful chemicals, like diacetyl, found Bronchiolitis Obliterans" Images Browse 153 Stock Photos, Vectors, and Video Adobe Stock 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 vaping habit