Generalized Anxiety Disorder It's natural to worry during stressful times. But some people feel tense and anxious day after day, even when there is little to worry about.When this lasts for six months or longer, it may be generalized anxiety disorder or GAD.This illness affects millions of people, unfortunately, many don't know they have it. So they can miss out on treatments that lead to a better, happier life.GAD: Emotional Symptoms The main symptom of GAD is a constant and exaggerated sense of tension and anxiety. You may not be able to pinpoint a reason why you feel tense.Or you may worry too much about ordinary matters, such as bills, relationships, or your health. All this worrying can interfere with your sleep and your ability to think straight.You may also feel irritable due to poor sleep or the illness itself.GAD: Physical Symptoms Body problems usually come along with the excess worry. They can include:• Muscle tension or pain• Headaches• Nausea or diarrhea• Trembling or twitchingGAD vs. Everyday Worries Most people spend some time worrying about their troubles, whether money, job demands, or changing relationships.What sets GAD apart is the feeling that you can't stop worrying. You may find it impossible to relax, even when you're doing something you enjoy.In severe cases, GAD can interfere with work, relationships, and daily activities.Who Gets GAD? People of any age can develop GAD, even children. The disorder tends to appear gradually, with the first symptoms most likely to occur between childhood and middle age. GAD affects twice as many women as men.Diagnosing GAD There's no lab test for GAD, so the diagnosis is made based on your description of your symptoms.It's important to be specific when telling your doctor about your anxiety.What do you worry about? How often? Does your anxiety interfere with any activities? You may have GAD if you have been feeling anxious or worrying too much for at least six months.