And these seemingly normal people are not just football fans.

Let's take a look at these and some other seemingly normal practices that may have unexpected origins.

It must be used during childhood and is now being used in seemingly normal children.

First he must report this death to the authorities, a seemingly normal case of a sudden stroke.

That the animal had died in such a seemingly normal way was "just wrong.

Like her brothers, Katy was born happy, healthy and seemingly normal.

There are seemingly normal people who have shocking ideas about disability rights and see little problem with this.

Alan Talbot seems to be an average man leading a seemingly normal life.

The four covered it up and have now become successful professionals with seemingly normal lives.

The patriarch of a seemingly normal nuclear family returns home one day with a small white rat.