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The same nerve receptor that responds to the green paste on your sushi plate is activated by car exhaust, the smoke of a wildfire, tear gas and other chemical irritants.
April 8, 2015 The same receptor on nerve endings that makes sinuses tingle when we eat wasabi plays an important role in the pain of inflammation. The first 3-D view of the receptor could lead to better pain drugs.
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The origin of itch has confounded scientists for decades.
May 23, 2013 Itch can be a useful warning sign, or a maddening symptom with no cure. But the origins of itch have long been a mystery. Scientists think they've come closer to understanding the origins of itch in a molecule that makes mice scratch like mad.
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January 27, 2012 Scratching an itchy ankle is more satisfying than relieving an itch on your back or arm. Even if you thought you knew that, scientists now have evidence to back up your hunch.
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