1. Anxiety Symptoms, Causes, Types, Signs, and Treatment on MedicineNet.com
Read about anxiety (generalized anxiety disorder or GAD) causes, physical symptoms and signs, medications, and treatment. Generalized anxiety disorder or GAD is characterized by excessive, exaggerated anxiety and worry about everyday life events.
http://www.medicinenet.com/anxiety/article.htm

2. Generalized Anxiety Disorder: Anxiety Disorders: Merck Manual Professional -- Merck Co., Inc. I...
Merck Manual Professional anxiety disorder is characterized by excessive, almost daily, anxiety and worry for. Most people with GAD have one or more other comorbid psychiatric disorders, including major depression, specific phobia, social phobia,...
http://www.merck.com/mmpe/sec15/ch196/ch196b.html

3. Anxiety disorder definition - Mental Health Disorders on MedicineNet.com
- Read about anxiety (generalized anxiety disorder or GAD) causes, physical symptoms and signs, medications, and treatment. anxity disorder, aniety disorder Anxiety disorder Index. Anxiety disorder definition - Mental Health Disorders on...
http://www.medterms.com/script/main/art.asp?articlekey=9948