Jason Davis, Henry Ford Health System (image) Henry Ford Health System Caption Jason Davis, M.D., is a Henry Ford Hospital joint replacement surgeon and the study's lead author. Credit Henry Ford Hospital Usage Restrictions For use in conjunction with the study. 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.