A report from the FDA indicates that a chemical coating used in microwave popcorn bags breaks down when heated into a substance called perfluorooctanoic (PFOA). ... Another study has found an acid that can be extracted from the chemical causes cancer in animals and is “likely to cause cancer in humans.”
According to the American Lung Association, using electronic cigarettes or vaping, particularly the flavored varieties, can cause popcorn lung. ... However, e-cigarette vapor has been proven to contain diacetyl.Jul 7, 2017