伊朗革命卫队发言人:冲突第一周共打击超200处美以目标

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Don’t look up: There are sensitive internal links in the clear on GEO satellites ↩

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March 10, 2026 at 8:28 a.m. PT

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\nWhat’s different in their guts?\nDigging deeper, the researchers identified specific changes that occur in the composition of the gut microbiome of mice as they age. In particular, the relative abundance of a bacteria called Parabacteroides goldsteinii increases in old mice and is directly associated with cognitive decline in the animals. They showed that colonizing the guts of young mice with this bacterial species inhibited their performance on the object recognition and maze escape tasks, and that this deficit correlated with a reduction of activity in the hippocampus.

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刘洋,资深编辑,曾在多家知名媒体任职,擅长将复杂话题通俗化表达。

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