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：cook资讯

嘉陵江与长江交汇处，重庆洪崖洞民俗风貌区依山而建。身着汉服，马来西亚游客洪欣颖拍下一组古装照。这几天，她还体验了高山滑雪，逛了磁器口古镇，坐了三峡游轮，行程紧凑、内容丰富。为她定制行程的，是旅游规划师左鹏。

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