Allada - Summary of PNAS Study (VIDEO) Northwestern University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Northwestern University professor Ravi Allada summarizes the findings of his PNAS study on the effects of jet lag on the performance of Major League Baseball players. Credit Northwestern University Usage Restrictions Credit must be given. 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.