According to studies carried out by psychologist Bruce Bartholow playing violent computer games desensitizes people faced with violence in real life.

(He said, “As far as I’m aware, this is the first study to show that exposure to violent games has effects on the brain that predict aggressive behavior. People who play a lot of violent video games didn’t see them as much different from neutral. They become desensitized.”

It’s a bit of a no brainer really, but I wonder if Raving Rabbids is desensitizing me to hitting people over the head.)