Learn all about the uterus - its anatomy, what it is and its function in the female reproductive system.
GAD and panic disorder are the most common. Anxiety disorders are usually caused by a combination of psychological, physical, and genetic factors, and treatment is, in general, very effective.
Anxiety Disorders. Anxiety disorders, the most common group of mental illnesses, are characterized by severe fear or anxiety associated with particular objects and situations. Most people with anxiety disorders try to avoid exposure to the situation that causes anxiety. 1  Panic disorder â the sudden onset of paralyzing terror or impending doom with symptoms that closely resemble a heart attack.