Dr. Mary Jung (IMAGE) University of British Columbia Okanagan campus Caption Dr Mary Jung, along with Dr. Kathleen Martin Ginis, is defending the science behind the popular exercise method of high intensity interval training, despite criticism from other academics. Credit UBCO Usage Restrictions none License Original 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.