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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В России гарантирована бесплатная диспансеризация.Как ее совместить с работой?20 января 2026

This is why experts think it may have survived an uncontrolled descent through Earth's atmosphere.

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2026-02-26 17:00:00

描述：找出一个连续子数组，若对该子数组升序排序，则整个数组变为升序。返回符合题意的最短子数组长度。

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