Topic: Obsessive-Compulsive Disorder (OCD) Author: Rama Qatarneh   Introduction Obsessive-compulsive disorder (OCD) is a common, usually chronic mental disorder denoted by two key features; intrusive obsessions, and repetitive behaviors or compulsions. Obsessions include thoughts, images, or impulses to carry out specific tasks that are often unsettling and anxiety-provoking, while compulsions involve performing repetitive motor acts which normally serve to temporarily offset the distress of obsessions (Fig.1) (1). Previously, OCD was recognized as one of the anxiety disorders. However, starting with the fifth edition of the Diagnostic and Statistical Manual for Mental Disorders (DSM-5) it was added to a new section […]