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A comment on Common food dye found to make skin and muscle temporarily transparent. Parent comment

Re:Common food dye found to make skin and muscle temporarily... by Findecanor on Friday September 06, 2024 @05:59PM (#41470021)
That's not a safe assumption. There have been cases where food flavourings have been tried in e-cigarette liquids and caused irritation in the users' airways.
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Re:Common food dye found to make skin and muscle temporarily... by collingreen on Friday September 06, 2024 @07:48PM (#41470538)
Irritation and/or the often fatal, incurable, and horrifyingly named "Bronchiolitis obliterans"

https://en.m.wikipedia.org/wiki/Bronchiolitis_obliterans

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Re:Common food dye found to make skin and muscle temporarily... by eurleif on Friday September 06, 2024 @11:03PM (#41471213)
To be clear, there are no documented cases of bronchiolitis obliterans caused by vaping. Historically, there were cases among workers in a microwave popcorn factory who were exposed to large quantities of the flavoring chemical diacetyl. Some early e-liquid flavors contained diacetyl, and while the level of exposure was drastically lower than that of a popcorn factory worker, people were concerned about it, and that concern led e-liquid manufacturers to stop using it.
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