That’s the spot!

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That’s the spot: How scratching brings relief

By Julie Steenhuysen
CHICAGO, Apr. 6, 2009 (Reuters) — Scratching an itchy spot turns off an itch “switch” in the spinal cord, U.S. researchers said on Monday in a finding they think could lead to better treatments for itching disorders.
Tests on monkeys showed that scratching short-circuits itch signals to the brain.
Understanding how this works may lead to new treatments for people with diseases such as AIDS or Hodgkin’s disease that cause itching not easily relieved by antihistamines or steroid creams.

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