Scratching Only Makes Itching Worse, Says New Study

October 30, 2014 8:34 PM

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Scratching Only Makes Itching Worse, Says New Study

A new study has found out why scratching an itch can make the itch stronger.

Researchers at Washington University's Center for the Study of Itch examined serotonin levels in mice and found that scratching an itch produces pain signals that disrupt nerves from carrying itch signals. The itch signals trigger serotonin to be released to control the pain. The researchers discove...

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