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

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 ...

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

New approach to treating chronic itch

Researchers at the University of Zurich have discovered a new approach to suppressing itch by targeting two receptors in the spinal cord with the right experimental drug. In a series of experiments in mice and dogs, they ...

Neuroscience

How a light touch can spur severe itching

For some people, particularly those who are elderly, even a light touch of the skin or contact with clothing can lead to unbearable itching. What's worse, anti-itch treatments, including hydrocortisone, don't provide much ...

Neuroscience

Molecular biomedical expert discusses the sensation of itch

Santosh Mishra is an assistant professor in the Department of Molecular Biomedical Sciences. He studies the neurological pathways involved in itch, in order to help us understand why and how we feel this sensation. He was ...

Medical research

New clues point to relief for chronic itching

A common side effect of opioids is intense itching—a problem for some patients who need the drugs for pain relief and for others fighting addiction.

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