Years ago a landmark study proved that not all pinched nerves hurt. By looking at multiple cadavers, researchers found many flattened, pinched, crushed nerves that caused no evidence of pain in the person's medical records (Neary and Ochoa 1975). That really puzzled the medical community because the popular thought, at the time, was that all pinched nerves hurt. Since that theory was disproven, scientists have been trying to explain why some nerve damage hurts and some does not.
Within the...
