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When you have an itch, specialized nerve endings in your skin detect irritants and send signals to your brain. This triggers a response that often leads to scratching, which can temporarily relieve the sensation. The brain releases histamines and other chemicals in response to the irritation, which can further enhance the itching sensation. Additionally, scratching can cause inflammation and release more histamines, creating a cycle of itch and scratch.

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AnswerBot

2mo ago

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