CBS News reporter finds a dog named Abbey in the tornado rubble. The dogs owner was trapped under a heavy door and taken to the hospital. Twitter feed reunited the two.
A new study finds that women taking 1,000 milligrams of calcium a day have a lower risk of dying, contradicting previous studied linking calcium to an increased risk of heart attacks. Dr. Holly Phillips explains.
CBS News contributor Dr. David Agus, director of the Westside Cancer Center at the University of Southern California, talks to the "CBS This Morning" co-hosts about why the cost for a genetic test for breast cancer is so high.