Anxiety Disorders Center
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Anxiety disorders are the most frequently occurring, mental disorders. They encompass a group of conditions that share extreme or pathological anxiety as the principal disturbance of mood or emotional tone. Anxiety, which may be understood as the pathological counterpart of normal fear, is manifest by disturbances of mood, as well as of thinking, behavior, and physiological activity. In the United States, it is estimated that sixteen percent of all adults aged 18 to 54 suffers from some form of anxiety, or close to 50 million people.