To chronic pain patients, the following situation is all too familiar: They start having pain, which worsens until everyday activities become unbearable. They go to their doctor, expecting treatment or at least a diagnosis. But the doctor scratches her head. She is looking for an obvious cause. Say, a knife sticking out of a patient’s chest. But there is no obvious cause. So the patient starts a scavenger hunt of specialist visits, general therapy, and alternative treatments. Maybe there is some degree of relief. Maybe not. There sure isn’t a diagnosis, or any specific problem identified. Hillary B.’s experience was…