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Diacetyl is a flavoring agent that was initially investigated by the US Centers for Disease Control (CDC) as a culprit of popcorn lung, a type of bronchitis affecting workers at microwave popcorn factories and coffee roasting facilities

Department of Health and Human Services [USDHHS], 2014, p

Its reasonable to assume he had no thought, during those years, that he would become a bombardier in WWII, get shot down, spend eight months as a Prisoner of War, or that the diaries he fastidiously wrote on the backs of cigarette packs would be the subject of a book, a museum exhibition, and three videos

Did you know that marijuana blunts became popular in the mid-1980s