The Physiology of the “Itch-Scratch Cycle”
Understanding the Itch-Scratch Cycle Understanding the Itch-Scratch Cycle You scratch because it feels uncontrollable. The scalp rebels under the pressure of your fingernails, yet scratching is not relief — it is an invitation. Every tug and scrape breaches the lipid barrier. Cells separate. Tiny fissures form. Heat rises. The signal to your brain doubles, and […]
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