Why Scratching Makes You Itch More, Explained By Science

October 30, 2014 12:46 PM

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Why Scratching Makes You Itch More, Explained By Science

The news: Anyone who's been plagued by mosquitoes or suffered through chicken pox remembers being told by their parents that scratching an itch only makes it worse. Well, new research confirms you should have heeded that sage advice.

According to a study published in the journal Neuron, researchers at the Washington University School of Medicine in St. Louis found that scratching an itch makes your brain release the neurotransmitter serotonin, exacerbating the itching sensation even more.

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