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：it资讯

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Source: Computational Materials Science, Volume 267

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Alongside this piece of medieval bling, the team have also unearthed a pin made from bone with a detailed pattern and a comb intricately carved from antler.

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