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：es资讯

06:54, 28 февраля 2026Мир

To find these crucial border points, we employed a clever technique based on the Ford-Fulkerson algorithm. By simulating "flooding" roads with traffic from random start/end points, we could identify the natural bottlenecks – the "minimum cut" in graph theory terms. These bottlenecks became our border points.

董丝雨，这一点在搜狗输入法2026中也有详细论述

將與兒童談論「跨性別意識形態」的教師與圖書館員歸類為性犯罪者

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