Such traits never become excessive in most people, but in some they may become so excessive that they cause severe distress and an inability to live a normal life. O.C.D. is equally common in men and women.
Obsessions are intrusive and unwanted ideas, thoughts, images or impulses that occur repeatedly.
Individuals who have obsessions describe them as senseless, undesirable, repugnant as well as intrusive and involuntary . These obsessions create anxiety, which in turn creates behavior to try and control the anxiety. These behaviors are called compulsions . Compulsions are behaviors that may seem purposeful but are performed in a ritualistic manner. Most people with O.C.D. recognize that their obsessions and ritualistic behaviors are excessive but feel powerless to respond rationally.