worried about the Popcorn Lung diacetyl rumour (please read) Vaping Forum Planet of the Vapes Vapes can contain harmful chemicals, such as diacetyl and heavy metals. They just don't put it on the pack. Do you know what you're vaping? Get the facts at nt.gov.au vaping Cancer Council Which E Juices Have Diacetyl? VanGo Vapes Vaping, Diacetyl, and Popcorn Lung: Is the Threat Real? Vaping360 In Cigarettes Or Did You Know Some Flavored Vapes Contain Diacetyl, A Bronchiolitis Obliterans Vaping