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What Makes Us Itch?

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What Makes Us Itch?

Science

What Makes Us Itch?

What Makes Us Itch?

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  • <iframe src="https://www.npr.org/player/embed/14422693/14422687" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

It's well known that mosquito bites and poison ivy cause itching, but some serious illnesses — including kidney failure and HIV — can also send a person scratching. An international meeting on itch just ended; we'll talk with one of its organizers about what makes us itch and how to make it stop.

Earl Carstens, professor of neurobiology, physiology and behavior, University of California Davis