Obsessive-compulsive disorder (OCD) is one of the more complex and difficult mental disorders to diagnose and treat. Treatment of this condition is complicated by the fact that OCD shares symptoms with other major neuropsychiatric disorders such as schizophrenia as well as a spectrum of related disorders such as hypochondriasis, eating disorders, and Tourette's syndrome. Based on extensive clinical experience with more than 2,000 patients and exhaustive...