The origin of itch has confounded scientists for decades. Oktay Ortakcioglu/iStockphoto.com hide caption toggle caption Oktay Ortakcioglu/iStockphoto.com Shots - Health News Why You Have To Scratch That Itch May 23, 2013 • Itch can be a useful warning sign, or a maddening symptom with no cure. But the origins of itch have long been a mystery. Scientists think they've come closer to understanding the origins of itch in a molecule that makes mice scratch like mad. Why You Have To Scratch That Itch Listen · 3:41 3:41 Toggle more options Download Embed Embed <iframe src="https://www.npr.org/player/embed/186294981/186410359" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player"> Transcript
Why You Have To Scratch That Itch Listen · 3:41 3:41 Toggle more options Download Embed Embed <iframe src="https://www.npr.org/player/embed/186294981/186410359" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player"> Transcript
Shots - Health News Scratching An Itchy Ankle Is Hard To Beat January 27, 2012 • Scratching an itchy ankle is more satisfying than relieving an itch on your back or arm. Even if you thought you knew that, scientists now have evidence to back up your hunch.
