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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Nature, Published online: 24 February 2026; doi:10.1038/d41586-026-00592-y，详情可参考搜狗输入法下载

永居變數與「太空人」，详情可参考91视频

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"With a test like this, success comes from what we learn, and today's flight will help us improve Starship's reliability."

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