Outside of winter, chronic itch affects millions of people with conditions including eczema, psoriasis, and kidney disease. Understanding the precise biological mechanisms that regulate itch—including ...

'We feel sorry because we cry,' wrote philosopher and psychologist William James, 'angry because we strike, afraid because we tremble,' suggesting that emotional bodily responses like crying cause ...

People with Alzheimer’s disease may scratch or pick at their skin for several reasons, including cognitive changes and underlying skin conditions. Alzheimer’s disease is a type of dementia that’s ...