ST. GEORGE, Utah — Kenzie Bien is a parent of a child with autism; she did not take Tylenol while pregnant. Because of that, the St. George resident questions where the evidence exists to support the assertion by President Donald Trump and the White House that acetaminophen, including Tylenol, causes autism.

"It fuels stigma, guilt, and shame without proof, while risking real harm by discouraging safe treatment for symptoms during pregnancy," she said Monday.

Three years ago, Bien created the annual Walk With Autism, a grassroots effort in southern Utah that draws hundreds to raise awareness and funds for those with autism. She shared how autism is a complex disorder that a large majority of studies show has multiple genetic and environmental causes.

"Oversimplifying it to a single caus

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