Study Finds Over-80 Super Movers Face 51% Lower Cognitive Impairment Risk
Updated
Updated · PsyPost · Aug 5
Study Finds Over-80 Super Movers Face 51% Lower Cognitive Impairment Risk
2 articles · Updated · PsyPost · Aug 5
Summary
Researchers tracking 3,715 adults aged 80 and older found the fastest walkers—roughly the top 7% for age and sex—had a 51% lower relative risk of developing cognitive impairment over 3.4 to 5.4 years.
Data from a separate 197-person cohort showed those “super movers” declined more slowly on memory, processing-speed and visual-spatial tests, while MRI scans in 64 participants found larger hippocampal volumes.
Autopsy data from 692 older adults showed super movers had better cognition during life despite similar amyloid plaques and tau tangles after death, pointing to brain resilience rather than less Alzheimer’s pathology.
The observational study cannot prove that walking faster prevents dementia, and researchers said gait speed is more likely a marker of broader physical and brain resilience.
The findings suggest exceptional mobility could help identify healthy brain aging, though the authors said more diverse studies are needed before any universal clinical cutoff or intervention is defined.