Slower walking speed may signal advanced cognitive aging, study finds

A person's walking speed may offer surprising insights into their cognitive and physical well-being, according to recent academic findings. Research suggests that a slower pace, often dismissed as trivial when one is in a hurry, can be a significant indicator of advanced cognitive aging.

Studies have consistently shown a correlation between a slower gait and poorer cognitive function. For instance, individuals who walk more slowly tend to score lower on tests measuring intelligence quotient (IQ), memory, processing speed, and reasoning. Brain scans of these individuals have revealed smaller brain volumes and a greater proportion of white matter, the crucial tissue connecting different areas of the brain.

Academic evidence further supports walking speed as a predictor of life expectancy in older adults. A meta-analysis by the University of Pittsburgh, involving over 34,000 adults aged 65 and older, found a significant association between walking speed and longevity. Men aged 75 who walked slower had a 19% chance of living another decade, compared to 87% for those who walked faster.

More recent research, such as a study published in the journal Neurology, examined the link between cognitive and physical function with walking speed in middle-aged individuals. This study observed signs of "accelerated aging" in various bodily systems among slower walkers. Furthermore, MRI scans indicated that these individuals had smaller brains, thinner neocortex, and less white matter, suggesting that these cognitive differences may be present from an earlier age.