Does Exercise Stave Off Alzheimer's disease? (video) University of Kentucky Share Print E-Mail Loading video... Caption Nathan Johnson of the UK College of Health Sciences discusses his research that indicates a positive correlation between fitness level and blood flow to the areas of the brain where the hallmark plaques and tangles of Alzheimer's disease are first detected, suggesting that exercise might help stave off the symptoms of dementia. Credit UK Office of Public Relations and Marketing Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.