Scientists have discovered the molecule responsible for causing itchiness, but they can't scratch the problem off their lists just yet.
Researchers at the National Institutes of Health identified the itch molecule in mice and found that by using drugs to block the molecule, the mice didn't scratch when presented with itchy stimuli -- a skin irritant and a malaria drug known to cause itchiness.
"It's such a common problem and can be really devastating for quite a number of patients," said Dr. Jennifer Stein, a dermatology professor at NYU Langone Medical Center. "There are so many different choices of pain medicine for people, but we really have very limited treatments for itch."
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