Researchers have uncovered a gene which they believe may play a role in causing obsessive-compulsive disorder (OCD). They hope that their work will allow earlier identification and treatment of people who are at the greatest risk of developing this potentially debilitating condition. They also hope it will lead to more effective therapies. Obsessive-compulsive disorder is an anxiety disorder in which people are persistently compelled to carry out ritualized behavior in response to recurring thoughts which are often completely irrational. For instance, sufferers often become obsessed with the notion that they are contaminated with germs, leading to hour upon hour of washing.
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