Uploaded June 2026 | Updated September 2026, 2 weeks ago

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Why do some people stay sharp into their 80s while others struggle earlier?

A big part of it is cognitive reserve.

It’s your brain’s backup system—the buffer that helps you keep functioning even as changes happen.

And it’s not fixed. You build it over time.

#CognitiveReserve #BrainHealth #MentalHealthAwareness #AgingWell #DrTraceyMarks