November 5, 2009 Sci-Tech: Exercise and heart function Play video

(NECN) - We all know by now that exercise is good for your heart, but what exactly is it about exertion that gets your ticker pumping?

For the past couple of years, a group has been working with the Harvard athletics department to examine how athletic training affects heart function in young athletes.

Click here to visit the museum's Web site.

Joining NECN from the Museum of Science in Boston is Mass General cardiologist, Dr. Aaron Baggish.