Will Virtual Colonscopy Detect Colon Cancer or Give It to You?

Scientists at the Food and Drug Administration say their concerns over the radiation exposure from virtual colonoscopies were ignored by the agency. In advance of a meeting today on limiting unnecessary patient exposure to radiation, scientists who worked at the FDA told the New York Times that their concerns about radiation from the CT scans used in a virtual colonoscopy were largely brushed off. Manufacturers have been pushing for the approval of the devices for colon cancer screening. It is...Full Story