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It can be a relief to scratch the occasional itch, but when itch gets out of control, it can become a serious health problem. How does the body know when to stop? Scientists at UC San Francisco are ...

Forget what your parents told you, scratching an itch may be good for you, by boosting your body’s defence against bacteria. Scratching is a paradoxical phenomenon. It can feel nice to run your nails ...

Mosquito bites are itchy and we tend to scratch itchy things. The scratching feels good in the short term but tends to hasten and exacerbate swelling and inflammation. This leads to more scratching ...

People who can’t stop scratching itches may finally have a culprit to blame. In mice (and probably people), a protein called TRPV4 is involved both in starting an itch and stopping it after scratching ...

Feeling itchy? A wearable sensor can measure how bad it is by tracking how often you scratch yourself. Itching is associated with many diseases and in some cases can be debilitating, but diagnosing ...