Add Yahoo as a preferred source to see more of our stories on Google. Photography by Rachel Pickus Pashun George and her sister grew up scratching their mother’s back before bed. Now, they charge $130 ...

CHICAGO (Reuters) - Oh, it brings such blessed relief and now scientists can tell you why -- scratching an itch temporarily shuts off areas in the brain linked with unpleasant feelings and memories.

Pashun George and her sister grew up scratching their mother’s back before bed. Now, they charge $130 an hour for it. In 2010, they turned the tradition into a family business, Scratcher Girls, the ...