Tylenol Pregnancy Study Contradicts Trump Claims on Autism (1)

Jan. 17, 2026, 9:01 PM UTC

Using the common painkiller acetaminophen during pregnancy is not linked to neurodevelopmental disorders in children, according to a study published in the Lancet on Friday.

Researchers conducted a systematic review of numerous studies that looked at links between use of the pain reliever and autism, intellectual disabilities and attention-deficit/hyperactivity disorder. They concluded there was no link between use of the drug — known as its generic names acetaminophen or paracetamol and its brand name Tylenol — and those outcomes in newborns.

“The findings were consistent — paracetamol did not increase the risk,” said Asma Khalil, senior researcher on the paper ...

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