You can also obtain books in audio cassette form, if you prefer not to do the reading. The helpful aids listed above are really just band-aids for the real problem. Generally, the problem is underlying in the mind. May be caused by a hormonal imbalance, mental or physical trauma. It may work for some people, but the majority requires therapy and medication.
Many people seem to avoid getting help until it is to late and they have ailments caused by anxiety.
The best way to get a grip on this culprit we call anxiety is to talk to your doctor. He or she will prescribe an anti-depressant. Once you find a drug best suited for your chemistry you will feel like a new person. It usually takes a few weeks for it to work and the side effects to subside, if any at all. You may find that you have to try a few different types of anti-depressants before you find the one right for you.