Why Do Olympians Bite Their Medals

Why Do Olympians Bite Their Medals?
Why Do Olympians Bite Their Medals?
Why Do Olympians Bite Their Medals?
I've watched more of the Olympics than I ever have this year (no thanks to NBC), and one tradition has really caught my attention. That tradition is the biting of Olympic medals by athletes who win them. It is a hunk of metal, so why in the world would anyone put their mouth on it...