More salt could be bad for brain

August 30, 2011 9:32:18 AM PDT
Most of us know that a high-sodium diet can cause high blood pressure and heart disease, but a new Canadian study finds it could also be bad for your brain.

Researchers found that elderly people who had the highest daily sodium intake and the lowest level of exercise were more likely to show declining scores on mental tests over a three-year period.

The study is published in the journal Neurobiology of Aging.

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