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.

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-0.827429 x + 0.089718 x (\ln x - 1) + 829.418770 & \text{if }16716 \leq x

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