Researchers at Harvard T.H. Chan School of Public Health tested 51 types of flavored e-cigarettes and refill liquids that they considered appealing to young users. Diacetyl, a flavoring chemical linked to cases of severe respiratory disease, was found in more than 75% of flavored electronic cigarettes and refill liquids. Via CBS News. Posted December, 8 2015.
–Alanna McCatty
