http://www.msnbc.com/news/680791.asp?0dm=c26an
Researchers said they had found a group of genes that, when disrupted, caused mice to groom themselves to the point of baldness.
Mario Capecchi of the University of Utah School of Medicine, who helped lead the study, said people have the same group of genes and they may also be involved in grooming behavior. If so, further studies could help explain obsessive-compulsive disorder (OCD).