One of the most puzzling aspects of anxiety for many people is the depth or extent of the symptoms they experience. It is part of the human condition to worry about things and some people seem more anxious than others. Where then is the dividing line between someone who seems anxious and someone who has a generalized anxiety disorder (GAD)?

One of the most distinctive clues often comes from other people. They will often tell you that you worry too much over silly little things. This really...