The Trump administration is expected to link autism to Tylenol use during pregnancy

Jon Hamilton

Yuki Noguchi

September 22, 2025 / 10:08 am

The Trump administration is expected to assert later today that use of acetaminophen — the active ingredient in Tylenol — can increase the risk of autism when used during pregnancy, despite the fact that scientific research has not conclusively demonstrated a causal link.

White House officials are also expected to suggest that a form of vitamin B that is typically used in conjunction with cancer treatment could be used to treat autism.

"We're gonna have one of the biggest announcements, really, medically, I think, in the history of our country," President Trump said Sunday night, referring to a press conference scheduled for Monday afternoon.

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