It’s tough to resist scratching an itch – and evolution may be to blame

It's tough to resist scratching an itch – and evolution may be to blame

Source: Livescience.com

A new study conducted in mice suggests that, although it's not all good, our urge to scratch at itchy skin may have an evolutionary benefit.

Scratching exacerbates inflammation, sometimes to a problematic level, but it can still feel pleasurable. A new study may point to a reason why.
It's tough to resist scratching an itch — and there might be an evolutionary reason for that, a new study… [4093 chars]

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