By Rania Aniftos Reba McEntire finds her mini-me on the next episode of The Voice, when 18-year-old country singer Katie O. takes the stage for her blind audition airing Tuesday night (Oct. 14).

A herniated or bulging disc in the back can be identified with magnetic resonance imaging (MRI), a test typically recommended when you've experienced back pain symptoms for at least six weeks. Many ...