There is new concern over another possible effect of antibiotics: obesity. Dr. Martin Blaser talks to the "CBS This Morning" co-hosts about the link. Blaser is the director of the human micro-biome program at the New York University School of Medicine, and author of the upcoming book, "Missing Microbes: How the Overuse of Antibiotics is Fueling our Modern Plagues."
Viacom and CBS Corp. executive chairman Sumner Redstone and healthcare philanthropist Michael Milken have bonded over a shared cancer diagnosis. CBS News' Charlie Rose sat down with Redstone and Milken to discuss their $80 million donation to George Washington University to target preventative medicine for chronic conditions like diabetes, heart disease and obesity.