Why Do We Itch? The Scientific Causes Are Actually Rooted in Evolution

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Why Do We Itch? The Scientific Causes Are Actually Rooted in Evolution
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Plus, doctors explain why it feels so darn good to scratch one.

Essentially, scratching an itch feels good because it distracts you from the initial irritation with a new feeling. “When you scratch an itch, you’re actually creating a different sensation, which, depending on how hard you scratch it, could be severe or minimal pain,” Dr. Grossman says. For a short period of time, this can also provide relief.

Of course, sometimes when you scratch an itch, you only exacerbate the need to itch due to the inflammation from scratching and the potential of creating new wounds on your skin. With more inflammation comes more itching.“The best treatment for itching is getting rid of the cause,” says Dr. Grossman. After all: It’s better to know whatan itch—whether it’s your laundry detergent or dry skin—than simply scratching at its surface.

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