“An itch demands a scratch, but science has barely begun to scratch the surface of why an itch itches, and how to make it stop.

The itch-scratch cycle sits right at the fascinating intersection of pleasure and pain, reflex and compulsion, but it has received relatively little scientific attention. Ten years ago, one of the small band of international itch researchers called itch ‘sadly neglected,’ an ‘orphan symptom.'” NY Times