Australian scientists at the Research Institute for Sport and Exercise at Canberra analyzed 39 studies to explore whether structured exercise really does improve cognitive function in adults over age 50.

Results of the study, printed in the British Journal of Sports Medicine, say yes, it does. And it doesn’t matter whether it’s aerobics, resistance training or tai chi, or any combination of those. Even if there is existing mild cognitive dysfunction, moderate-intensity exercise can help.

It’s thought that exercise increases the blood supply to the brain, along with oxygen, reducing the effects of aging and

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