Medical Miracle: Opera Singer's Lost Voice Returns

For Michael Niemann, singing was like breathing. But when a devastating diagnosis crippled his vocal cords, the 41-year-old former New York City opera singer turned to an experimental treatment. In 2007, Niemann was diagnosed with a rare disease called papillomatosis, recurring benign growths in the voice box, which made it impossible to sing and nearly impossible to speak. "I was always 'well, I am a singer,' it is kind of how I define myself -- I am a musician," Niemann said, whose mother...Full Story