Ars Technica
Scientists find no link between Tylenol and autism, again, after Trump warning
Wednesday, July 1, 2026
Researchers conducting a study of pregnancy records and autism diagnoses found no causal link between acetaminophen use during pregnancy and autism spectrum disorder diagnosis in children, according to findings published in a peer-reviewed journal. The research examined medical records from thousands of pregnancies and compared acetaminophen exposure to subsequent autism diagnoses. This marks one of multiple studies in recent years reaching similar conclusions about the over-the-counter pain reliever.
