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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OpenAI also said they are establishing a direct point of contact with Canadian law enforcement to refer cases with potential for "real world violence."

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12月20日，“京津冀协同发展背景下的养老协同模式创新”圆桌论坛。

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