Anxiety is a psychological condition that presents physiological and psychiatric symptoms and has profound social impacts on the lives of those who have anxiety disorders. There are several psychological conditions that are considered anxiety disorders, including generalized anxiety, obsessive compulsive, panic, and post-traumatic stress disorders. These disorders can be continuous or episodic, depending upon the manifestation of a person's symptom.

Anxiety is a term used by the general public to describe non-pathological, 'normal' responses to stressors, but the psychological disorders under the umbrella of anxiety involves experiences which interfere with an individual's ability to function and may cause extreme distress. An individual experiencing either continuous or episodic a nxiety might feel physiological symptoms, including muscular tension and hyperventilation, physical symptoms, including nausea and insomnia, and well as mental apprehension and panic (Healy 2009).

Panic disorder, which may affect up to six million Americans, is often characterized by the physical symptoms...
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