US President Donald Trump was expected Monday to deliver what the White House called “an announcement" about autism, having long voiced concern about the condition's prevalence and potential causes.

It was widely anticipated that Trump along with federal health officials will raise concerns surrounding acetaminophen, the active ingredient in Tylenol, and possible complications of using it during pregnancy.

Identifying the cause of autism -- a complex condition connected to brain development that many experts believe occurs for predominantly genetic reasons -- has been a pet cause of Trump's controversial health chief Robert F. Kennedy Jr.

Earlier this year the head of the US health department -- well-known for his anti-vaccine views and penchant for conspiracy theories -- vowed he would

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