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Walking and dementia in physically capable elderly men.

Robert D Abbott1, Lon R White, G Webster Ross

  • 1Division of Biostatistics and Epidemiology, University of Virginia School of Medicine, Charlottesville, USA. rda3e@virginia.edu

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|September 24, 2004
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Summary
This summary is machine-generated.

Regular walking is linked to a lower risk of dementia in older men. Promoting walking can help maintain cognitive function later in life.

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Area of Science:

  • Gerontology
  • Neurology
  • Public Health

Background:

  • Physical activity is associated with dementia expression.
  • The link between low-intensity activity like walking and dementia risk is unclear.

Purpose of the Study:

  • To investigate the association between walking and the future risk of dementia in older men.

Main Methods:

  • Prospective cohort study of 2257 physically capable men aged 71-93.
  • Assessed daily walking distance from 1991-1993.
  • Follow-up for dementia incidence through neurological assessments in 1994-1996 and 1997-1999.

Main Results:

  • 158 dementia cases identified during follow-up.
  • Men walking <0.25 mile/day had 1.8-fold higher dementia risk vs. >2 miles/day.
  • Walking 0.25-1 mile/day also showed increased dementia risk compared to >2 miles/day.

Conclusions:

  • Walking is associated with a reduced risk of dementia.
  • Encouraging active lifestyles may support late-life cognitive function in men.