Could the place you live in have an effect on your life-span?

It's time now for Ask An Expert! Today we're looking at Blue Zones; A health initiative using research on the longest-lived people in the world to help communities make healthy choices for a long life. To take a closer look at Blue Zones, KCBS' Steve Scott spoke with Jay Olshanksy, aging researcher and Professor of Public Health at the University of Illinois at Chicago.