APRIL 20: Boston Marathon Live on CBSBoston.com, WBZ-TV and WBZ NewsRadio 1030 | Coverage Details
Live Blog | Mile By Mile Guide | Road Closures | Best Spectator Spots | Forecast | All Marathon Coverage

Researchers Discover Way To Eliminate Pacemakers By Using Cells

<p>Researchers at Cedars-Sinai discover a method of using patients' own cells to help speed up an abnormally slow heart rate. WBZ-TV's Dr. Mallika Marshall reports. </p>