OCD is an anxiety disorder that is characterized by recurrent, unwanted thoughts and/or repetitive behavior. This paper explains
that no definitive cause for this condition exists, although
serotonin brain uptake is thought to play a significant role. It shows that specific criteria exist for diagnosis of OCD. It discusses that effective treatments for obsessive-compulsive
disorder are available and that research is yielding new, improved therapies that can help most people with OCD and other anxiety disorders lead productive, fulfilling lives.