For some people, just the simple act of stepping outside of their own front door can be a terrifying ordeal. Not because of what lies out there but because of some illogical fear. This fear may bring with it heart palpitations, shortness of breath, may be a tightness in the throat and even nausea. Even if you ask the person to analyse what they are fearful of, they also come to the conclusion that it is illogical. Yet this is unable to help them escape their restricted world.

 
In essence, what has happened, is that they have become so skilled at bringing on the fear, that it now happens automatically and by association. On seeing a spider no matter how far away, hearing the flap of birds wings or even the smell of something can trigger a panic attack. These situations are also called phobias. Some of the more common phobias are:-