Study shows that radiation for breast cancer can harm hearts

Wednesday, March 13, 2013 | 6:59 p.m. CDT; updated 9:06 p.m. CDT, Thursday, March 14, 2013

Women treated with radiation for breast cancer are more likely to develop heart problems later, even with the lower doses used today, troubling new research suggests. The risk comes from any amount of radiation, starts five years after treatment and lasts for decades, doctors found.