Scratch, scratch… and then you hit the exact spot. Aah, yes! We have all had that satisfying moment when a stubborn itch finally disappears under our fingernails. But why does scratching an itch feel so good, and sometimes even feel pleasurable?
Scratch, scratch… and then you hit the exact spot. Aah, yes! We have all had that satisfying moment when a stubborn itch finally disappears under our fingernails. But why does scratching an itch feel so good, and sometimes even feel pleasurable?
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