A Tiny Cluster of Brain Cells Flips from Pain Reliever to Pain Generator, and Mice Show How to Flip It Back

Shafaqna Health: A small cluster of neurons in the brainstem normally functions as the body’s own analgesic, dampening pain signals that travel up the spinal cord. After a nerve injury, that same knot appears to switch sides and start driving pain instead. Researchers at Washington University School of Medicine in St. Louis now report that they [...]
2026-08-24 15:27:02