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  1. #1
    Sagan's Avatar Carl Sagan
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    Itchiness Explained: Specific Set of Nerve Cells Signal Itch but Not Pain, Researcher



    An artist’s rendition of nerve cells monitoring the surface of the skin where they may encounter pain stimulants like capsaicin, found in hot peppers, and itch stimulants like histamine. (Credit: Copyright Tim Phelps, Department of Art as Applied to Medicine, Johns Hopkins University, 2012

    Jan. 2, 2013 — Johns Hopkins researchers have uncovered strong evidence that mice have a specific set of nerve cells that signal itch but not pain, a finding that may settle a decades-long debate about these sensations, and, if confirmed in humans, help in developing treatments for chronic itch, including itch caused by life-saving medications.At the heart of their discovery is a type of sensory nerve cell whose endings receive information from the skin and relay it to other nerves in the spinal cord, which then coordinates a response to the stimulus. Published online Dec. 23 in Nature Neuroscience, a report on the research suggests that even when the itch-specific nerve cells receive stimuli that are normally pain-inducing, the message they send isn’t “That hurts!” but rather “That itches!”

    More: http://www.sciencedaily.com/releases...0102104548.htm
    http://youtu.be/zSgiXGELjbc

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  2. #2
    Ironman's Avatar
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    I get itchy after I hop out of the shower, it sucks : |

  4. #4
    JustAShadow's Avatar
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    Quote Ironman View Post
    Lanacane
    lol

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