"We feel sorry because we cry," wrote philosopher and psychologist William James, "angry because we strike, afraid because we ...

Mice that were free to scratch their itchy ears saw the number of immune cells go up and levels of infection-causing bacteria ...

Scratching an itchy rash worsens inflammation by triggering pain-sensing neurons and activating mast cells, creating a ...

Scratching is something most of us do mindlessly. It doesn’t have to be a big deal, unless it is in hard to reach place. But ...

Scratching is often pleasurable, which suggests that, in order to have evolved, this behavior must provide some kind of ...

To dig into this dichotomy ... “But there is that tipping point and if you are scratching too much then it could become a negative thing.” Kaplan says his team has done preliminary work ...