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Anxiety Disorder

By Lisa Fritscher, About.com

Created: February 14, 2008

About.com Health's Disease and Condition content is reviewed by Steven Gans, MD

Definition: The overall category of disorders to which phobias belong. Anxiety disorders are the most common mental disorders in the United States, affecting an estimated 28 million Americans. There are seven types of anxiety disorders including generalized anxiety disorder, panic disorder, stress disorders such as post-traumatic stress disorder, and obsessive compulsive disorder.

Source:

American Psychiatric Association. (1994). Diagnostic and statistical manual of mental disorders (4th Ed.). Washington, DC: Author.

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