Generalized anxiety disorder is characterized by excessive worry about 2 or more life circumstances for a period of 6 months or longer. Biological and genetic factors may combine with stress to produce psychological symptoms.
Timothy Rogge, MD, Medical Director, Family Medical Psychiatry Center, Kirkland, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.