The U.S. Food and Drug Administration has widened its investigation into radiation overdoses that patients have received from a type of brain scan, suggesting that the problem may be a nationwide issue. Los Angeles Times: 3rd L.A.-area hospital in radiation overdose probe

The number of hospitals where suspected stroke patients were over-radiated while undergoing CT scans has risen to three in California, with an unconfirmed case at a fourth hospital in Alabama, the Food and Drug Administration announced. New York Times:  More Radiation Overdoses Reported