While it may not be the most pleasant feeling, the itch sensation is an important protective mechanism for animals.

But chronic itching, often seen in patients with skin and liver diseases, remains a challenging problem to treat.

Now, a new study has shed light on the brain mechanism behind itching – which experts say could help to develop a treatment for chronic itching.

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A new study has shed light on the mechanism behind itching – which experts say could help to develop a treatment for chronic itching (stock image)

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