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：tutorial资讯

回放12月23日，黑龙江大兴安岭地区鱼贩用热水养活鱼的视频引发关注。据了解，因当地严寒的天气，鱼用冷水养通常会被冻住，而热水正好可以帮其解冻，还能让其保持新鲜，所以鱼贩们便都用热水来养鱼。SourcePh" style="display:none"

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Stem cells