8/20/2026
Vital Signs

Scientists discover why poor sleep may harm some brains more

Filed by Dr. Iris Vale
Scientists discover why poor sleep may harm some brains more
A gene involved in the brain’s overnight cleaning system may change how strongly poor sleep affects Alzheimer’s-related brain changes. The findings point toward more personalized prevention strategies based on both genetics and sleep habits.
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Dr. Iris Vale
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Scientists discover why poor sleep may harm some brains more — Vital Signs