RFK Jr.’s planned report linking Tylenol to autism crashes shares of parent company Kenvue

What’s in the planned report

Past claims about autism

What the science says

Kenvue stock reaction

Ashley Lutz is an executive editor at Fortune, overseeing the Success, Well, syndication, and social teams. She was previously an editorial leader at Bankrate, The Points Guy, and Business Insider, and a

Health and Human Services Secretary Robert F. Kennedy Jr. is preparing a report that will allegedly claim a link between prenatal Tylenol (acetaminophen) use and autism, but current evidence does not support a causal relationship, and major medical groups continue to recommend prudent acetaminophen use in pregnancy when indicated; meanwhile, Tylenol parent Kenvue’s shares sold off sharply following the reports and remain volatile.

For this story, Fortune used generative AI to help with an initial draft. An editor verified the accuracy of the information before publishing.