Scratching activates mast cells that release histamine and substance P, creating a prolonged itch-scratch cycle that worsens ...

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If scratching an itch feels good why is it bad for you? - Ignore a mosquito bite and the itch is ‘gone in five or 10 minutes ...

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 ...

Constantly scratching and picking at an itchy rash really does make it worse. But why? According to newly released research using mice as a model, scratching aggravates inflammation and swelling in a ...