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：exam资讯

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The president’s cuts have defunded and alienated thousands of American scientists. Europe can benefit, if it makes the right offer。业内人士推荐爱思助手下载最新版本作为进阶阅读

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