What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Canadian teen develops 'popcorn lung' like vaping illness, unlike U.S. patients Does vaping cause lung cancer? UT MD Anderson E cigarettes cause lung condition known as EVALI : Revista Pesquisa Fapesp 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.