Scientists explain why scratching an itch is so pleasurable!


“Happiness is having a scratch for every itch”. These famous words by the American poet, Ogden Nash epitomizes the general feeling a scratch evokes in a person. Scientists in the Department of Dermatology and Temple Itch Center at Temple University School of Medicine (TUSM) have long been trying to understand why does scratching evoke such a rewarding and pleasurable sensation in patients with chronic itch. Their recent study published on June 15 in the Journal of Investigative Dermatology gives us a better understanding about itching and the resulting pleasurable sensation.