Getting a CT Scan: What are the Risks Posed by Radiation?

Medical radiation, long used to diagnose and treat patients, has saved countless lives in this country. But some doctors are now warning that more needs to be done to ensure the technology is used more safely. The radiation from CT scans produces an exquisitely precise image, which is why Americans undergo 72 million scans a year to help diagnose their illnesses, according to a 2009 study from the Archives of Internal Medicine. But there's a problem. Dr. Rebecca Smith-Bindman, a professor...Full Story