Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Experts say that flavored e cigarettes can cause irreversible lung damage. A U.S. teen developed "popcorn lung" after secretly vaping for 3 years a permanent, life altering disease. Officially known as bronchiolitis obliterans, Doctors Say Vaping May Be Causing 'Popcorn Lung' Health effects of electronic cigarettes Wikipedia Does vaping cause Popcorn Lung? Vaperite What is Popcorn Lung? Popcorn Lung is a serious, permanent lung disease caused by inhaling harmful chemicals like diacetyl, sometimes found in flavored vapes. Tips for Parents & Caregivers: Talk