The American Medical Association has officially labeled obesity a disease, but we still don't know enough about the problem to be sure it fits the established definition.
Evaluating Vivitrol, the newest anti-addiction drug—actually an injectable form of an old pill. It's definitely better than nothing. But is it $1,100 a month better?
Dr. Peter Hotez, president of the Sabin Vaccine Institute, implores the leaders of the G8 countries to focus on an easy and relatively cheap way to save more than one billion people from neglected tropical diseases.