Scientists have uncovered a hidden “stop-scratching” signal in the nervous system that tells your brain when enough scratching is enough. The discovery centers on a molecule called TRPV4, which acts ...

Anyone who has ever had a mosquito bite knows the paradox: scratching feels good for a second, then the itch roars back worse than before. For the roughly 1 in 10 people who live with chronic itch ...

How does the body know when to stop scratching an itch? New research is giving us more insight. Scientists have long known about the itch-scratch cycle. When an irritant gets on your skin, a ...