The number of children visiting doctors with an ear infection has seen a big drop in the United States over the last few years with researchers yet to find the exact reason for such a drop. While ear infection was one of the most common cause for children visiting the doctors, the number has fallen by more than half a million over a period of last fifteen years, constituting a drop of more than 30 percent. Though the researchers have not found the exact cause for such a big drop, the falling number …