Summary: US researchers have found a small area of the brain that serves as a switch to turn off pain.

Red, magenta and yellow cells in a mouse brain: Neurons that have potent pain-suppression abilities. Image: Fan Wang Lab
Red, magenta and yellow cells in a mouse brain: Neurons that have potent pain-suppression abilities. Image: Fan Wang Lab
Summary: US researchers have found a small area of the brain that serves as a switch to turn off pain.