Ryan's District Boards

Study: Mice Crave Violence, and Humans May Too

Mice sought out opportunities to fight other mice; drugs that blocked reward centers of brain lowered rate of sought-after fights.<img src="http://feeds.feedburner.com/~r/foxnews/scitech/~4/218357675" height="1" width="1"/>

http://feeds.feedburner.com/~r/foxnews/scitech/~3/218357675/0,2933,323489,00.html