President Donald Trump announced at Charlie Kirk's memorial service that his administration will reveal what he called one of the "biggest announcements" in American history regarding autism on September 22.

Newsweek reached out to the White House via email on Sunday for comment.

Why It Matters

The upcoming announcement represents a potentially significant shift in federal autism policy and research direction .

According to The Washington Post , citing four sources familiar with the administration's plans, officials are expected to tie autism to acetaminophen (Tylenol) use during pregnancy and promote leucovorin as a potential treatment. This approach could fundamentally alter medical guidance for pregnant women and autism treatment protocols, affecting millions of families.

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