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flag SuperAgers over 80 show greater brain cell growth due to healthy brain environments, linked to lifestyle factors that may prevent memory decline.

flag A new study in Nature finds that SuperAgers—people over 80 with exceptional memory—produce significantly more young neurons in the hippocampus than healthy older adults or those with Alzheimer’s, thanks to a supportive cellular environment involving CA1 neurons and astrocytes. flag This enhanced neurogenesis and synaptic signaling may preserve brain plasticity and cognitive function. flag While genetics may contribute, lifestyle factors like exercise, diet, sleep, and vascular health are linked to better brain structure and reduced Alzheimer’s markers, offering evidence that the aging brain can remain resilient and adaptable.

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