Anxiety is your body’s natural response to stress. It’s a feeling of fear or apprehension about what’s to come. The first day of school, going to a job interview, or giving a speech may cause most people to feel fearful and nervous.But if your feelings of anxiety are extreme, last for longer than six months, and are interfering with your life, you may have an anxiety disorder.It’s normal to feel anxious about moving to a new place, starting a new job, or taking a test. This type of anxiety is unpleasant, but it may motivate you to work harder and to do a better job. Ordinary anxiety is a feeling that comes and goes, but does not interfere with your everyday life.In the case of an anxiety disorder, the feeling of fear may be with you all the time. It is intense and sometimes debilitating.This type of anxiety may cause you to stop doing things you enjoy. In extreme cases, it may prevent you from entering an elevator, crossing the street, or even leaving your home. If left untreated, the anxiety will keep getting worse.Anxiety disorders are the most common form of emotional disorder and can affect anyone at any age. According to the American Psychiatric Association, women are more likely than men to be diagnosed with an anxiety disorder