Generalized Anxiety Disorder

  • James D. Helsley
Part of the Current Clinical Practice book series (CCP)

Every person experiences anxiety at times throughout life. It may be considered a normal part of development. The experience gained by dealing with life's episodes of anxiety can help a person deal with subsequent anxiety-provoking situations in the future; however, for some, anxiety may become persistent, unrelenting, and disabling.

Generalized anxiety disorder (GAD) has been estimated to occur with an incidence of about 5% of the general population. Women are affected more than men [1]. Comorbidity with major depression, other anxiety disorders, and other psychiatric disorders may be as high as 90% [1].


According to the Diagnostic and Statistical Manual of Mental Disorders, 4th edition, text revision (DSM-IV-TR) [2] generalized anxiety disorder is defined by the following:
  • Persistent, excessive worry, apprehension, and anxiety lasting at least 6 months

  • Presence of three or more of the following: restlessness, fatigue, difficulty concentrating, irritability, muscle tension,...


Chronic Obstructive Pulmonary Disease Irritable Bowel Syndrome Anxiety Disorder Cognitive Behavior Therapy Anorexia Nervosa 
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Copyright information

© Humana Press 2008

Authors and Affiliations

  • James D. Helsley
    • 1
  1. 1.West Virginia University Student Health ServiceMorgantownUSA

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