Definition: Generalized Anxiety Disorder (GAD) is a type of anxiety disorder characterized by some combination of at least three of the following: edgy feelings, easy fatigue, difficulty in concentrating, irritability, muscular tension or sleep disturbances. There is no spike of panic in GAD, but rather a constant, low-level anxiety.
Generalized Anxiety Disorder (GAD)
By Nancy Schimelpfening, About.com
Updated December 31, 2008
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
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