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Generalized Anxiety Disorder and Its Screening Instruments

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GAD and GAD Screening Instruments Generalized anxiety disorder (GAD) is characterized by persistent, excessive, and unrealistic worry about everyday things. People with the disorder often experience exaggerated fear and expect the worst, even when there is no apparent reason for concern. They anticipate disaster and are overly concerned about money, health, family, work, or other issues. This disorder affects 6.8 million adults, or 3.1% of the U.S. population, in any given year (Van der Heiden, 2011). GAD comes on gradually and can endure across the life cycle, though the risk is highest between childhood and middle age. Women are twice as likely to be affected. GAD is diagnosed when a person worries excessively about a variety of everyday problems for at least 6 months. Physical symptoms include tension, fatigue, insomnia, irritability, gastrointestinal problems, restlessness and edginess (Aikins & Craske, 2001). Excessive worry becomes a typical way of thinking and everyday problems result in a series of ''what-if'' thoughts, which eventually leads to a disastrous prediction. Because individuals with GAD are highly sensitive to threat in general, particularly when it has personal significance, they frequently observe possible threats (Barlow, 2002). In response to these anticipated dangers, fight-or-flight reactions are activated. In most anxiety disorders, it is generally clear what needs to be escaped or avoided (e.g., spiders or public speaking), but in GAD there is

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