Anxiety is an evolutionary construct, our understanding of which has grown significantly. Research has shown that 15.7 million people living in the United States are affected by anxiety in any given year and that as many as 30 million suffer from anxiety at one point during their life . Different manifestations of anxiety indicate its nature and often severity. For instance, Spielberger, Gorsuch, and Lushene (1970), describing anxiety as commonly experienced, distinguished state anxiety from trait anxiety. However, people often experience a more severe, more