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Daily Walking Delays Alzheimer's Cognitive Decline by Years

11/3/2025

43 9 Full Breakdown

Summary

Story summary

Mass General Brigham researchers report that moderate daily exercise can slow cognitive decline in older adults at risk for Alzheimer's disease.
Walking 3,000 to 5,000 steps daily delayed cognitive decline by an average of three years, while 5,000 to 7,500 steps delayed it by seven years.
The study enrolled 296 cognitively unimpaired participants aged 50 to 90.
Higher step counts correlated with slower tau protein buildup.

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Story summary

Mass General Brigham researchers report that moderate daily exercise can slow cognitive decline in older adults at risk for Alzheimer's disease.
Walking 3,000 to 5,000 steps daily delayed cognitive decline by an average of three years, while 5,000 to 7,500 steps delayed it by seven years.
The study enrolled 296 cognitively unimpaired participants aged 50 to 90.
Higher step counts correlated with slower tau protein buildup.