Candidate Gene Culprits for Chronic Pain Discovered, Mayo Clinic Research  
5/7/2010 10:05:09 AM

ScienceDaily -- Chronic pain severely limits patients' quality of life and is among the cost drivers in U.S. health care. Patients can suffer pain without an apparent cause and often fail to respond to available treatments. Mayo Clinic researchers and collaborators now report that chronic pain may be caused by the inadvertent reprogramming of more than 2,000 genes in the peripheral nervous system.