天方烨谈

大脑自带抗衰系统,越老越护记忆力。

November 9, 2026·3 min
Episode Description from the Publisher

年纪越大越忘事,认知下滑就真的拦不住吗?哈佛医学院等机构发表在《自然·神经科学》上的研究刷新了认知:海马体里有一种记忆保护蛋白,在年轻人脑中几乎不露面,年纪越大产量反而越高——默默修补神经连接、指挥免疫细胞清理代谢垃圾,拼尽全力守住记忆力。更有意思的是,一些大脑已出现阿尔茨海默病理改变、记性却很好的老人,这种蛋白水平明显更高。动物实验中,补上它,衰老大脑的神经连接和空间记忆力都能稳住。虽然研究尚处基础科研阶段、暂时无法落地,但多学习、均衡饮食、规律运动、睡好觉,就是在给大脑的维稳部队赋能。善待大脑,它会用更长的清醒岁月回报你。

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