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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"A heavy hailstorm" was falling and "there was lightning" when the plane went down," a woman whose car was struck by the aircraft wreckage told the AFP news agency.

PFNA and PFOSA