Anxiety disorders are characterized by overwhelming tension, irrational fear and physiological arousal.
Anxiety disorders are a relatively broad category of mental disorders with anxiety and fear being the most common characteristics of all of them. Some of the most common symptoms include panic, fear and uneasiness, but also physiological arousal manifested as shortness of breath, heart palpitations and nausea.
There are 5 different types of anxiety disorders; the generalized anxiety disorder, the obsessive-compulsive disorder, the panic disorder, the post-traumatic stress disorder and the social phobia.
Anxiety disorders are occurring as a combination of environmental and genetic risk factors. The global statistics show that they are twice as common in women than in men. In addition, it has been shown that anxiety disorders are the most common mental disorders in the USA.