Walking speed identified as key biomarker for longevity

New research suggests that walking speed may be as critical a biomarker for longevity as daily step counts. Studies indicate that walking at a faster cadence can significantly reduce the risk of premature mortality, even if the total number of steps taken is lower.

A large prospective cohort study published in the British Journal of Sports Medicine, utilizing data from the UK Biobank, analyzed 64,743 participants aged 40 to 69. Researchers from Monash University and The University of Sydney found that walking fewer than 5,000 steps per day at a faster pace offered similar mortality risk benefits to walking 7,500 to 10,000 steps at a slower pace. Overall, the study suggests that walking at a higher intensity can lower the risk of early death by up to 43 percent.

Additional research highlights the impact of gait speed on aging. A study published in JAMA involving over 34,000 older adults found that every 0.1 m/s increase in walking speed was associated with a 12 percent reduction in premature mortality risk. Furthermore, the Dunedin Study observed that individuals with slower walking speeds in middle age showed signs of accelerated aging, appearing physically older than their peers.