Generalized anxiety disorder: comorbidity, comparative biology and treatment.

  title={Generalized anxiety disorder: comorbidity, comparative biology and treatment.},
  author={David J. Nutt and James C. Ballenger and David Sheehan and Hans-Ulrich Wittchen},
  journal={The international journal of neuropsychopharmacology},
  volume={5 4},
Generalized anxiety disorder (GAD) is a severe and chronic anxiety disorder characterized by uncontrollable worrying and somatic anxiety (tension, insomnia and hypervigilance). It is a common condition, with lifetime prevalence rates for DSM-IV GAD in the general population of approx. 5-6% being reported. In addition, like other anxiety disorders, GAD also shows comorbidity with depression and most of the other anxiety disorders. This article reviews data on the prevalence of GAD, its… CONTINUE READING