Scientists have uncovered a hidden “stop-scratching” signal in the nervous system that tells your brain when enough scratching is enough. The discovery centers on a molecule called TRPV4, which acts ...

Facial itch uses unique nerve pathways linked to pain, revealing why itch on the face feels different from itch elsewhere on ...

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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 ...

Scratch-off tickets are big money for state-run lotteries. Is it the promise of winning big that keeps players in the game? Or is there something else happening in the brain? NOVA is available to ...

A tiny scratch landed a young girl in the ICU, and shortly after, she was diagnosed with a rare, but dangerous brain infection. This rare case has shocked many, with many wondering if a seemingly ...