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The original was posted on /r/science by /u/memorialmonorail on 2025-03-06 16:10:58+00:00.

Original Title: Just a few days of eating a diet high in saturated fat could be enough to cause memory problems and related brain inflammation in older adults, a new study in rats suggests. The results dispel the idea that diet-related inflammation in the aging brain is driven by obesity, researchers say.