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：api资讯

Tony Jolliffe BBC

第三十七条 纳税人发生应税交易，应当向购买方开具发票。有下列情形之一的，不得开具增值税专用发票：

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The skeletons are buried in shallow graves cut into the limestone bedrock. While their bones and teeth show they lived hard lives, objects found amongst the graves suggest wealth and luxury.

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