Anyone who is interested in mind over matter should check out Dr. Sarno's work - http://www.amazon.com/The-Mindbody-Prescription-Healing-Body...
Similar to the vomiting poster, I had/have a longtime chronic nerve pain issue in my arms and legs that this book was tremendously helpful in managing. While fixing bad posture and a variety of other things helped, this book helped me get to the point where most days I'm in no pain.