The technique, which researchers have successfully tested on rabbits, uses small electric shocks to stimulate cartilage growth.
Researchers believe they can enhance naturally occurring pain relievers using chemicals known as positive allosteric modulators.
Experiments on mice and humans found it was remarkably successful at alleviating nerve injury and bone tumor symptoms.
Scientists say surgeons could offer post-op heart patients the option of listening to music which has no known risks or side effects, unlike medication.
Two-thirds of the patients undergoing a total knee replacement were either opioid-free or only needed low-doses of painkillers if they had acupuncture during surgery.
Along with increasing omega-3 intake, researchers note lowering the amount of omega-6 fatty acids is also key to migraine relief.