Abstract

Anxiety disorders are the most common disorder in the US (approximately 40 million American adults). Panic disorders are very common (approximately 25% of American adults suffer once in their lifetime). Anxiety disorders that feature excessive fear and anxiety and related behavioral disturbances. Fear is the emotional response to a perceived imminent threat; Anxiety is the anticipation of a future threat. Anxiety is more often associated with muscle tension and vigilance in preparation for future danger and avoidant behaviors. The reduced anxiety is by avoidance behaviors [1].