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Mood disorder
any of various disorders characterised primarily by disturbance in an individual's mood / From Wikipedia, the free encyclopedia
A mood disorder or affective disorder is a type of mental illness where the main problem is the person's mood.[1] The two main kinds of mood disorder are depressive disorders (like major depressive disorder) and bipolar disorder. Some other mood disorders can be caused by using drugs.
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Most people who have mood disorders also have other mental disorders, such as personality disorders and anxiety disorders.