Canadian teen develops 'popcorn lung' like vaping illness, unlike U.S. patients Debunking the myth: There's no link between vaping and popcorn lung Health experts are sounding the alarm about a serious condition linked to vaping, known as "popcorn lung" or bronchiolitis obliterans. This irreversible lung disease is caused by harmful chemicals, like diacetyl, found Popcorn lung again when myths replace facts in the name of prevention Vejpkollen.se