Health Secretary Robert F. Kennedy Jr. suggested there may be a link between autism and circumcision while reasserting the unproven theory that Tylenol causes the disorder — and medical experts are pushing back against the claims.

"There's two studies that show children who are circumcised early have double the rate of autism. It's highly likely because they are given Tylenol," Kennedy stated during a Cabinet meeting on Thursday.

Circumcision is a surgical procedure that removes the foreskin from a boy's penis. For some, circumcision is a part of cultural or religious practices. A 2025 study from Johns Hopkins Medicine found the prevalence of the practice had decreased nearly 5%, going from 54.1% to 49.3% from 2012 to 2022.

Kennedy did not cite the studies he was referring to, but

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