NOTE: Gina Kolata is a science reporter for the New York Times. I ran across her article on Medical Mysteries this week and was fascinated by her observations. I think you will be too.
Despite the abundance of data that's collected and analyzed by medical scientists, they still can't explain the huge declines in disease that are occurring in the United States and other well-to-do countries. For example,
Of course, many people still suffer and die from these diseases. The good news is, however, that prevention, treatment, lifestyle changes... and a mysterious "something else"... appear to be, for many, delaying them until later in life.