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

Dr Leng and her colleagues their research on mice. They found an enzyme (which they V8) that was responsible for itching in the test mice. The V8 enzyme a protein that made the mice itch. The scientists the protein and a drug to stop it making the mice itch. The drug could used to make anti-itch medication. This could the itching process in humans. This is good news for eczema sufferers. Eczema around 245 million people globally. As well as itchiness, sufferers often redness on their skin and a rash. They may also get small blisters and a thickening of the skin. Eczema twice as common in females as it is in males.