Let's not forget about the butter flavoring, aka Diacetyl: https://www.cdc.gov/niosh/topics/flavorings/exposure.html#:~:text=Diacetyl,plant%20initially%20inves

Let's not forget about the butter flavoring, aka Diacetyl: https://www.cdc.gov/niosh/topics/flavorings/exposure.html#:~:text=Diacetyl,plant%20initially%20investigated%20by%20NIOSH https://www.cdc.gov/niosh/topics/flavorings/exposure.html#:~.... > In a plant where workers with uncontrolled exposures to butter-flavoring chemicals in microwave popcorn production had rapidly developed severe, irreversible lung disease, increased ventilation and isolation of flavor sources in mixing, holding tanks, and microwave popping decreased the risk for most workers. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3115208/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3115208/ > Man Wins $7 Million In Suit Claiming Microwave Popcorn Caused Lung Disease https://www.npr.org/sections/thesalt/2012/09/20/161489994/man-wins-7-million-in-suit-claiming-microwave-popcorn-caused-lung-disease https://www.npr.org/sections/thesalt/2012/09/20/161489994/ma...