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How walking 3,000 steps may keep Alzheimer’s at bay
Researchers behind the study found that moderate daily steps slowed cognitive decline in older adults at higher risk.
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Pranavi Sharma - Sun, 16, Nov 2025
- 00:00 EST
- 16
Neurologist Jasmeer Chhatwal of Mass General Brigham led the study. / Mass General Brigham
Walking between 3,000 and 5,000 steps a day may slow the progression of Alzheimer’s disease in older adults at risk, according to new research led by neurologist Jasmeer Chhatwal of Mass General Brigham.
The study, published Nov. 4 in ‘Nature Medicine’, analyzed data from 296 participants aged 50 to 90 from the Harvard Aging Brain Study. All participants were cognitively unimpaired at the start and were followed for up to 14 years. Researchers used brain scans to measure amyloid-beta and tau proteins — both linked to Alzheimer’s — and tracked daily step counts with pedometers.
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