People check things twice, but what if you feel the need to repeat things ten times. OCD is an anxiety disorder characterized by obsessions and compulsions. People use obsessions and compulsions to relieve their anxiety. Without treatment, obsessions and compulsions can eventually take over a person's life. These obsessions and compulsions can be treated with medications or therapies that make a person's life more bearable. Dr. Dorothy Grice had said in an interview with Katie Charles: "There is a wide range of severity, but in the most extreme cases, OCD can be extremely disabling, especially when the compulsions become long and elaborate... "There are many things that are included in OCD, including its symptoms, treatments and its involvement with the brain. OCD recognizes that one's symptoms are ego-dystonic, that is, thoughts that one does not normally have and are not under one's control, but which are nevertheless a product of one's mind. The two most common symptoms of OCD are obsessions and compulsions. Obsessions take the form of persistent, uncontrollable thoughts, images, impulses, worries, fears, or doubts. An anonymous writer wrote of his images: "These images included hitting, stabbing, poisoning, and shooting people, even the people I loved most..." However, compulsions are repetitive physical behaviors or mental thought rituals that are performed over and over again. once again to help relieve a person's anxiety. Over time, compulsions can become more elaborate and time-consuming. Shirley Brinkerhoff mentions in her book Amanda, a high school student with OCD, who said, “Then I started having to count my steps. For example, 387 steps to the bus stop, and if you don't see it... half of the paper... causes not fully understood." New York Daily News. July 21, 2013. Tortora Pato, Michele and Zohar, Joseph. Current Treatments of OCD, second edition. ed.2 Washington DC: American Psychiatric, 2008 "The Monster Within: My Life Story with OCD" August 7, 2013. National Alliance on Mental Illness April 5, 2014 http://notalone.nami.org/post/57628850545/the-monster-within-my-living-story-with-ocdUniversity of Cambridge. “Obsessive compulsive disorder linked to brain activity.” 18 July 2008 Science Daily 5 April 2014 www.sciencedaily.com/releases/2008/07/080717140456.htm“Obsessive-Compulsive Disorder, OCD” March 18, 2014 National Institute of Mental Health March 18, 2014 http://www.nimh.nih.gov/health /topics/obsessive-compulsive-disorder-ocdBrinkerhoff, Shirley. Drug therapy and obsessive compulsive disorder. Philadelphia: Mason Crest, 2003