Study Links Urban Walkability to Larger Hippocampus, Potentially Delaying Dementia Onset Introduction A new study has found that older adults living in highly walkable urban neighborhoods have larger brain structures associated with memory and navigation. The research, published in the journal Nature Cities, suggests that the complex navigation tasks required in such environments may strengthen the brain, potentially delaying the onset of dementia. The study involved over 500 residents of Sydney, Australia, aged 70 to 90. Over a six-year period, researchers used brain scans to measure hippocampal volume, finding a significant correlation between neighborhood walkability and the size of a…

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