Medical research

Using light to stop itch

Itch is easily one of the most annoying sensations. For chronic skin diseases like eczema, it's a major symptom. Although it gives temporary relief, scratching only makes things worse because it can cause skin damage, additional ...

Neuroscience

Neuroscience: Why scratching makes you itch more

Turns out your mom was right: Scratching an itch only makes it worse. New research from scientists at Washington University School of Medicine in St. Louis indicates that scratching causes the brain to release serotonin, ...

Immunology

Study reviews what causes chronic itching and scratching

Relentless itch is a feature of many skin disorders, such as eczema and psoriasis, but the cause of this itch—and what drives us to scratch—is somewhat mysterious. A review appearing November 21 in the journal Trends ...

Neuroscience

Serotonin receptor is involved in eczema and other itch conditions

Dermatologists have long known that available treatments for chronic itch, including eczema, are simply not up to scratch. But scientists have now discovered a new gene that promotes itch, suggesting a way forward for powerful ...

Neuroscience

How the brain tells you to scratch that itch

It's a maddening cycle that has affected us all: it starts with an itch that triggers scratching, but scratching only makes the itchiness worse. Now, researchers have revealed the brain mechanism driving this uncontrollable ...

Neuroscience

Pain and itch connected down deep

A new study of itch adds to growing evidence that the chemical signals that make us want to scratch are the same signals that make us wince in pain.

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