![Why we could also be hardwired to shun those that scratch Why we could also be hardwired to shun those that scratch](https://www.bbc.com/bbcx/grey-placeholder.png)
Why we could also be hardwired to shun those that scratch
By means of Jasmin Fox-SkellyFeatures correspondentGetty ImagesWe derive excitement from scratching an itch – however can have developed to shun those that scratch.It is most likely probably the most maddening sensation there’s.