Scratching Itchy Skin Causes Brain to Release Serotonin, Intensifies Itchy Feeling

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Scratching itchy skin causes the brain to release serotonin, intensifies itchy feeling
Scratching itchy skin causes the brain to release serotonin, intensifies itchy feeling
Turns out your mom was right: Scratching an itch only makes it worse. Louis indicates that scratching causes the brain to release serotonin, which intensifies the itch sensation. Scientists have known for decades that scratching creates a mild amount of pain in the skin, said senior investigator Zhou-Feng Chen, PhD, director of Washington University's Center for the Study of Itch.
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