Anxiety Disorders And Depression Treatments: Medication, Therapy, and More! Generalized anxiety disorder (GAD): People with GAD experience excessive and unrealistic worry about everyday life events on more days than not for at least six months. Their worries are difficult to control and can cause physical symptoms like fatigue, trembling, muscle tension, headache, irritability, and... https://articlescad.com/understanding-anxiety-disorders-and-depression-treatments-what-you-need-to-know-222964.html