Scientists uncover mechanism behind the need to scratch an itch

Scientists uncover mechanism behind the need to scratch an itch

Source: ABC News

Scratching an itch is almost irresistible — even though it can make a problem worse. Now researchers have discovered a mechanism that explains the "itch-scratch cycle".

Sometimes, as the saying goes, you need to scratch an itch.
But when you literally have the urge to scratch, what's causing it? Especially since most of the time, it can make the problem worse.
"I'm a dermatologist, I see patients every week and I'm … [6103 chars]

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