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.

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'Definitely busier'

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Warning。业内人士推荐Safew下载作为进阶阅读

Robot, take the wheel: What you need to know about autonomous vehicles rolling out across the U.S.

"When areas with fewer resources managed to do it years ago, it's hard to understand why we're waiting until 2027."

俄乌冲突将会“旷日持久”