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

5 days ago 16

For more than 25 years, researchers at Northwestern Medicine have been studying people age 80 and older known as "SuperAgers" to understand how some individuals maintain exceptional mental sharpness late in life.

These individuals consistently perform on memory tests at levels similar to people at least 30 years younger, challenging the long-standing belief that cognitive decline is unavoidable with age.

Over decades of research, scientists have noticed...

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