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  "path": "/news/2026-02-scientists.html",
  "publishedAt": "2026-02-21T08:00:13.000Z",
  "site": "https://medicalxpress.com",
  "tags": [
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  "textContent": "When you scratch an itch, something tells your brain when to stop. That moment of relief, when scratching feels \"enough,\" is not accidental. Scientists have now identified a key molecular and neural mechanism behind this built-in braking system, shedding new light on how the body regulates itch and why this control fails in chronic conditions.",
  "title": "Scientists discover why we know when to stop scratching an itch"
}