Medical Mystery: Immune Disorder Often Misdiagnosed

More than 50,000 Americans suffer from myositis, a painful, debilitating disorder that results from muscle swelling, but because it is so difficult to diagnose, many don't even know they have it. Renee Parcover, Lashan Davis-Lanier and Tamara Urbina all had different symptoms and no answers. Each had seen doctor after doctor, but none offered any help. "I told my husband I wanted to die," Parcover said. "I said, 'If this is how my life is going to be, I don't want to live.' It was so...Full Story