Scientists have identified a neural feedback mechanism that helps determine when scratching an itch should stop.

Researchers identify the TRPV4 ion channel as the body's internal "stop scratching" signal, offering new hope for chronic itch relief.

What’s common between a scratchy sweater, a mosquito bite, and poison ivy? A brush with any of them guarantees an itchy spot on the skin. Scratching that itch is extremely tempting because of how ...