This week, Courtney Allison speaks with sports cardiologist, Dr. Sonia Tolani, who explains how exercise changes the heart. These changes are easy to see in elite athletes, Dr. Tolani gives a behind-the-scenes look at the screening process for athletes to ensure their safety in high-level competition. She also describes how teams can prepare for emergency response, and the life-saving measures that everyone should know when it comes to caring for our hearts.Click here for episode transcript.