The condition was previously seen in workers who were exposed to the chemical flavouring diacetyl as they packaged microwave popcorn. The Canadian case may be the first to show a new type of ...
This may owe something to stories about vapes producing significant levels of formaldehyde and of diacetyl, a chemical that has caused a respiratory condition called ‘popcorn lung’.
Unusual exposures have also been described as a cause of constrictive bronchiolitis, such as consumption of the leafy vegetable Sauropus androgynus in far eastern Asia and from inhaling diacetyl ...