Federal health officials have added new safety alerts to statins, a class of drugs used to lower cholesterol levels. The Food and Drug Administration cited rare side effects, including memory loss, diabetes and muscle pain. Robert Siegel talks to Rob Stein about the news.
Federal Reserve Chairman Ben Bernanke acknowledged that the economy is improving on Wednesday, but he isn't convinced the recovery is self-sustaining. He reaffirmed the Fed's position that the economy will likely need super-low interest rates well into 2014.