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:user资讯

但她表示,經過詳細檢視這份長達約100題的問卷回答後,她相信受訪者是真實的,且他們的回答和有信仰者的特徵一致。

当小天才手表像书包、铅笔一样,成为校园的“标配”,我们或许应该思考:这块本为“安全”而生的小屏幕,为何悄然变成了孩子们的“社交竞技场”?

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This story was originally featured on Fortune.com

克林顿辩称没发现任何不对劲儿