Brisk walking may help memory problems

Scientists at the University of Melbourne in Australia found that brisk walking led to slight improvements on mental tests for older people with memory problems.

Scientists said one theory is that exercise might improve blood flow to the brain.

The effects of exercise were as good as those seen from drugs used to boost mental function in Alzheimers patients. But researchers said the study does not imply that physical exercise can reduce the risk of dementia or Alzheimers.

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