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One of the most
things in life is an itch that won't go
. Scientists have worked for
to find out why we itch, and to find a
. Researchers at Harvard Medical School in the USA have discovered that skin bacteria make us itch when they interact with our nerve
. Lead researcher Liwen Deng said the
are linked to many diseases that cause itchiness. The most
disease is eczema. Dr Leng wrote: "It's not the nicest
to have on you, for sure. Many patients carry on their skin the very microbe we've now shown for the first time can induce itch." She added that: "Itches can be quite debilitating in
who suffer from chronic
conditions."