Sometimes we don't really know why we're fearful. It might be that we are generally anxious people. We tend to worry about everything. Of course, some fear can be quite legitimate. But if we find we're overanxious and it's affecting our lives - that can become a problem. Author Sheila Jacobs became ill in her early thirties with M?ni?re's disease, and it virtually destroyed her life, mainly due to anxiety. She became uncomfortable outside the confines...