The only environmental factor that has launched a large and consistent epidemiological signal, found in almost every epidemiological study addressing the issue, is previous acetaminophen exposure ...

Last month, the U.S. Food and Drug Administration proposed removing phenylephrine -- an active ingredient in hundreds of over-the-counter medications, including some versions of Tylenol ...

"Tylenol, non-steroidal anti-inflammatories (such as Advil, Motrin, Aleve, etc), Aspirin, and cold/flu/allergy medications ...

"After an acute ingestion of an excessive amount of Tylenol, patients usually develop gastrointestinal distress, vomiting," said Chairman of Emergency Medicine Dr. Greg Sorkin. The alert is also a ...