Fly Longevity (IMAGE) Emory Health Sciences Caption Flies with an extra copy of the p38 MAP kinase gene (green), turned on in muscles only, live significantly longer than regular flies. Credit Subhabrata Sanyal Usage Restrictions None 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.