OverviewGeneralized 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.
Review Date 2/2/2016
Updated by: Fred K. Berger, MD, addiction and forensic psychiatrist, Scripps Memorial Hospital, La Jolla, CA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.