Scientists Discover Why We Know When To Stop Scratching an Itch

Scientists have identified a neural feedback mechanism that helps determine when scratching an itch should stop. When you scratch an itch, something tells your brain when to stop. That moment of relief, when scratching feels “enough,” is not accidental. Scientists have now identified a key molecular and neural mechanism behind this built-in braking system, shedding [...]

from SciTechDaily https://ift.tt/qjTo3sD