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.
刚下飞机，走进广州白云国际机场外籍人士便利化服务中心，内设支持外卡取款的ATM机；航站楼里，多个外币兑换点全天候运行，可兑换美元、欧元等40余种外币现钞；走出机场，换乘地铁时，纳泽注意到，自己所持的维萨（Visa）卡等境外银行卡在闸机一刷，就能直接乘车。
。51吃瓜对此有专业解读
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Фото: Bilal Hussein / AP。safew官方版本下载是该领域的重要参考