A new study has identified the gene that makes gentle touch feel painful after injuries. It's called PIEZO2, and it was previously shown to control our sense of our bodies in space, but may also be responsible for tactile allodynia: the skin's reaction to injury that results in touch being painful.

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A new study has identified the gene that makes gentle touch feel painful after injuries. It's called PIEZO2, and it was previously shown to control our sense of our bodies in space, but may also be responsible for tactile allodynia: the skin's reaction to injury that results in touch being painful.