Scientists find new pain-suppression center in the brain

Scientists identified a group of neurons in mice that blunt pain by dampening the activity of multiple pain-processing regions of the brain.
More than 50 million Americans suffer from chronic pain, and many are prescribed opioid medications as treatment. But the benefits of long-term opioid treatment for chronic pain are unclear, and patients risk developing drug tolerance (needing higher doses) and hyperalgesia (increased pain sensitivity). Use of these medications may also lead ...