Senate Committee on Health, Education, Labor, and Pensions Chairman Bill Cassidy speaks on Capitol Hill, in Washington, September 17, 2025. Jose Luis Magana/AP

Republican Sen. Bill Cassidy, a Louisiana doctor who chairs the Senate health committee, is calling on the Department of Health and Human Services to release any evidence tying acetaminophen use during pregnancy to autism, noting that “the preponderance of evidence shows that this is not the case.”

“I understand and applaud President Trump’s desire to address this issue and to support HHS. HHS should release the new data that it has to support this claim. The preponderance of evidence shows that this is not the case,” he wrote Monday on X . “The concern is that women will be left with no options to manage pain in pregnancy. We

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