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. Vuse FAQs We Answer Your Vape Questions HERE! Evaluating the Toxicity of Electronic Cigarette Aerosols for Firsthand and Secondhand Exposure Under Different Device Operating Conditions Chemical Research in Toxicology Vaping related pulmonary granulomatous disease ScienceDirect 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) Health Risks of E Cigarettes and Vaping American Lung Association