中國在2022北京冬奧愛上了這位「冰雪公主」——作為冬奧形象代言人，她完美兌現了承諾。
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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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