Evaluation of Cytotoxicity and Oxidative Stress of Whole Aerosol from Vuse Alto ENDS Products Vuse FAQs We Answer Your Vape Questions HERE! 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. Because tobacco companies aren't required to tell us what's in vapes, we wind up being lab rats for their dangerous, addictive products. So, let's be clear (since Big Tobacco won't be)