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

When you've got an itch to scratch, sometimes your fingernails just won't do, especially if it's that annoying part of your back that you can never reach. It's times like these when you need one of ...

Scratching an itch can bring a contradictory wave of pleasure and misery. A mouse study on scratching, reported in the Jan. 31 Science, fleshes out this head-scratching paradox and could point out ...

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 ...

Any doctor—or parent—will warn you that scratching an itch will only make it worse. But it turns out it has a surprise ...

One of the greatest pleasures in life is to scratch an itch — in both the real and figurative sense. Although scratching an itch provides immediate (albeit temporary) relief, it may actually trigger ...