Does Vaping Cause Lung Cancer? What We Know (and Still Don't) Vaping may look harmless, but one teenager's diagnosis shows how dangerous it can become. A 17 year old in the U.S. was reportedly diagnosed with bronchiolitis obliterans, better known as popcorn lung, after secretly Vaping propylene glycol and vegetable glycerine may lead to lung inflammation Experts seek to understand risks associated with vaping and e cigarettes Vuse Go 8000 Banana Ice Prime Vape Vaping damages young people's lungs as much as smoking, study suggests Vaping The Guardian