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From Live Science:
The urge to scratch a mosquito bite or skin rash can be maddening. Now, scientists have pinpointed a group of neurons that signal it's time to relieve the itch.
Disabling the neurons eliminated itching in mice, which are thought to be a good analogue to humans for neurobiology studies.
The work could pave the way for treatment of serious human itches, such as psoriasis and eczema, said study scientist Zhou-Feng Chen of Washington University School of Medicine in St. Louis.
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