Teen's lung collapsed when air blister burst after she vaped the equivalent of 57 cigarettes a day It's official. Flavored e cigarettes cause permanent lung damage. And doctors are already seeing it happen. In the United States, a teenager developed something called popcorn lung after secretly vaping for three years. Dangers of Vaping University of Utah Health University of Utah Health Vaping Teen Had Surgery to Remove Blisters on His Lungs Business Insider