<unk>  or<unk>  illness are terms used to refer to a psychological or physiological pattern that occurs in an individual and is usually associated with distress or disability that is not expected as part of normal development or culture.  The recognition and understanding of<unk> s has changed over time.
Definitions, assessments, and classifications of<unk> s can vary, but guideline criterion listed in the ICD, DSM and other manuals are widely accepted by<unk>  health professionals. Categories of diagnoses in these schemes may include mood disorders, anxiety disorders, psychotic disorders, eating disorders, developmental disorders, personality disorders, and many other categories. In many cases there is no single accepted or consistent cause of<unk> s, although they are widely understood in terms of a diathesis-stress model and biopsychosocial model.<unk> s have been found to be common, with over a third of people in most countries reporting sufficient criteria at some point in their life.<unk>  health services may be based in hospitals or in the community.<unk>  health professionals diagnose individuals using different methodologies, often relying on case history and interview. Psychotherapy and psychiatric medication are two major treatment options, as well as supportive interventions.
Treatment may be involuntary where legislation allows. Several movements campaign for changes to<unk>  health services and attitudes, including the Consumer/Survivor Movement. There are widespread problems with stigma and discrimination.
Mental disorder
Psychosomatic illness
Psychiatric Disorders
Soft tissue disorder
Pain disorder
Disease
Brain damage
Skin disease