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 Disposable Vapes Without Diacetyl Is There Diacetyl In E liquid? Vaped In The Us What is Popcorn Lung? Popcorn Lung is a serious, permanent lung disease caused by inhaling harmful chemicals like diacetyl, sometimes found in flavored vapes. Tips for Parents & Caregivers: Talk Processed Food Flavoring Additive 'Diacetyl' also in Vape Chemical Free Life