Dr. Oh is the GoodLife Fitness Chair in Cardiovascular Rehabilitation and Prevention, Medical Director of the Cardiovascular Prevention and Rehabilitation Program at Toronto Rehab and a Senior Scientist at KITE. A leading expert on the role of exercise in rehabilitation, he leads a comprehensive research program that includes investigating best practices in cardiac rehabilitation and analyzing cardiovascular databases to better understand long-term patient outcomes. The statistics are strong: Participation in cardiac rehabilitation programs, which emphasize exercise, can lower chances of dying from a future cardiac event by about 50 per cent.