Possible causes of rising cancer rates in the U.S.

This is Ask An Expert, where every weekday at 9:20am, KCBS Radio gives you direct access to top experts in various fields. Today: Nearly one in ten U.S. adults report they've been diagnosed with cancer. According to Gallup's tracking through the National Health and Well-Being Index. The results reflect troubling trends in diagnoses for young women, the aging population, and people of color. KCBS anchor Steve Scott discusses these concerning developments with Dr. Lidia Schapira, medical oncologist and inaugural Director of Stanford's Cancer Survivorship Program.