NCIt related terms : obsessive-compulsive disorder;
NCIt definition : A disorder characterized by the presence of persistent and recurrent irrational thoughts
(obsessions), resulting in marked anxiety and repetitive excessive behaviors (compulsions)
as a way to try to decrease that anxiety.;
Alternative definition : NCI-GLOSS: An anxiety disorder in which a person has intrusive ideas, thoughts, or
images that occur repeatedly, and in which he or she feels driven to perform certain
behaviors over and over again. For example, a person may worry all the time about
germs and so will wash his or her hands over and over again. Having an obsessive-compulsive
disorder may cause a person to have trouble carrying out daily activities.;