Brain work-outs may help preserve mental function

By Kerry Grens NEW YORK (Reuters Health) – A review of the best evidence for interventions to prevent declining brain power finds that only one – mental exercise – consistently makes a difference. The analysis of clinical trial results for assorted drugs, supplements and activities still can’t say, however, whether the brain training programs that do seem to sharpen mental function also improve people’s daily lives or lower their risk of developing dementia. “All we know is you will do better on certain (cognitive) tests. Whether that delays dementia…remains to be seen,” said Dr. …