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

Wearable Device Detects Breast Cancer Early

A new wearable device may detect breast cancer years before traditional screenings.  Kerry Connolly reports