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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下午五点一刻，整桌菜几乎上齐。餐桌上，中年人讨论着每道菜的胆固醇含量，大伯向奶奶介绍起了注册可以领红包的AI软件。AI是什么，奶奶不甚关心，但红包能用来买鸡蛋，引起了她的兴趣。

Nature, Published online: 25 February 2026; doi:10.1038/d41586-025-04161-7

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