Relief for millions of eczema patients is a major step nearer after scientists discovered why we know when to stop scratching an itch.
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TRPV4, an ion channel, is found in neurons classically associated with touch, called Aß low-threshold mechanoreceptors. New research indicates that TRPV4 can generate itch, but it also helps trigger a negative feedback signal, a neural message that tells the spinal cord and brain that scratching has been sufficient. (Image Courtesy of Roberta Gualdani via SWNS)
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(Photo by Towfiqu barbhuiya via Pexels)
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(Photo by Angela Roma via Pexels)
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