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13h ago

Fifteen Minutes of Brisk Daily Walking Cuts Mortality by Nearly 20% in Low-Income Black Cohort

These results could guide community programs to emphasize brisk walking as a way to lower mortality rates among underserved groups.

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Overview

  • Researchers analyzed data from 79,856 adults aged 40–79 enrolled in the Southern Community Cohort Study with a median follow-up of 16.7 years.
  • Daily 15-minute bouts of fast walking were associated with an almost 20% reduction in all-cause mortality in a predominantly low-income, Black population.
  • Brisk walking also produced a significant decrease in deaths from cardiovascular disease, independent of other leisure-time exercise.
  • Engaging in slow walking for over three hours per day yielded only modest survival benefits compared with short periods of faster walking.
  • Authors caution that self-reported, baseline-only physical activity data may introduce misclassification and do not capture changes in walking habits over time.