Senator Challenges Trump’s Tylenol-Autism Claim, Demands HHS Evidence
Senator Challenges Trump’s Tylenol-Autism Claim, Demands HHS Evidence

Republican Senator Bill Cassidy, a medical doctor and chair of the Senate health committee, has publicly challenged former President Donald Trump’s recent announcement linking acetaminophen use during pregnancy to autism. Sen. Cassidy, representing Louisiana, is urging the Department of Health and Human Services (HHS) to release any evidence supporting Trump’s claim, stating that “the preponderance of evidence shows that this is not the case.”
Trump declared on Monday that the US Food and Drug Administration (FDA) would issue a notification to doctors regarding a “very increased risk of autism” associated with Tylenol use during pregnancy. This statement contradicts decades of existing evidence affirming the safety of acetaminophen when used as directed, and experts highlight that the science connecting autism to Tylenol remains unsettled.
Sen. Cassidy expressed concern that such a claim could leave pregnant women without safe options for pain management. His call for evidence, posted on X (formerly Twitter) on Monday, comes despite his prior vote to confirm Robert F. Kennedy Jr. to lead HHS. Cassidy has previously voiced skepticism regarding some of Kennedy’s health-related assertions and has recently questioned certain CDC and HHS actions, including a proposed change to hepatitis B vaccine recommendations.
The senator, who faces re-election in 2026, is navigating a delicate political landscape, having previously voted to convict Trump in his second impeachment trial. His current stance underscores a continued tension between political loyalties and scientific consensus within public health discourse.
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