Boosting Athletic Endurance by 70 Percent (IMAGE) Salk Institute Caption Salk Institute scientists build on earlier work that identified a gene pathway triggered by running, finding pathway conserves glucose and encourages fat-burning and endurance. Credit Salk Institute Usage Restrictions with credit and related coverage. License Licensed content 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.