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113 These 80-year-olds have the memory of 50-year-olds. Scientists finally know why

ScienceDaily
ScienceDaily 3 place · 10/19/2025 09:45 EDT

SuperAgers defy normal aging by keeping sharp memories and healthy brains well into their 80s. Northwestern scientists discovered that these individuals either resist the buildup of harmful brain proteins or remain unaffected by them. Their brains stay structurally youthful, and their strong social lives may help protect cognition. The findings could inspire new ways to delay or prevent dementia.

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