Even though at times it may seem like it, stress is not an incurable disease. It is something you can reduce, and eventually eliminate.
Before eliminating it, you will have to learn to how to manage it. As you become more skilled at managing it, it will gradually dissipate. The personal mastery component of the Leading Self module of the New leadership paradigm Learning System includes specific exercises for understanding and reducing the stress in your life.
If you are in a workplace setting, some of the things you might want to try to that could reduce stress are:
There are various commercial approaches to reducing stress: a) through meditation, and b) through biofeedback.
Chapter 9: Personal Mastery