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. E cigarettes: Facts, stats and regulations 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. Part one: abuse liability of Vuse Solo (G2) electronic nicotine delivery system relative to combustible cigarettes and nicotine gum Scientific Reports Possible mechanisms by which e cigarettes could affect respiratory health Download Scientific Diagram British American Tobacco New clinical data on Vuse illustrates beneficial public health impact of Tobacco Harm Reduction