“There’s two studies that show children who are circumcised early have double the rate of autism, and it’s highly likely because they’re given Tylenol.”
What FactCheck.org found
A single Danish study showed boys circumcised in medical settings were around twice as likely to be diagnosed with a form of autism called infantile autism by age 5. The study included no data on Tylenol.
Their words, from the summary they publish with the rating.
In short
Robert F. Kennedy Jr. made this claim around 9 October 2025. FactCheck.org (United States) looked into it and published its finding on 21 October 2025, 12 days later. Its rating was “False”.
Robert F. Kennedy Jr. has 55 checked claims in this archive. Fact-checking organisations rated 27 of them false or fake, 27 misleading or mixed and 0 true.
Where the claim appeared
Links recorded by FactCheck.org. Some posts may have been deleted since.
This check was done by FactCheck.org, not by DoesItStand. We list it so you can find it. Their full evidence and reasoning are in their article.