A new study shows that exposure to two specific 'forever chemicals' may accelerate biological aging, especially in middle-aged men. Researchers revealed a link between faster epigenetic aging, and two of these alternatives, PFNA and PFOSA, a precursor of PFOA.

· · 来源：user资讯

The BBC's chief content officer Kate Phillips told staff the BBC took "full responsibility" for what happened, adding that another racial slur had been edited out of the broadcast.

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