Biomarkers Show Exercise Helps Brain Function (image) Florida Atlantic University Share Print E-Mail Caption The enhanced physical activity group underwent 26 weeks of supervised treadmill training. Blood samples for both groups were taken at baseline and after 26 weeks. Credit Florida Atlantic University Usage Restrictions Credit: Florida Atlantic University 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.