Could Puberty Put Justin Bieber's Career in Jeopardy?

Canadian pop star Justin Bieber’s voice is changing as he goes through puberty and it could ruin his career. He’s reported to be working with a voice coach, but can no longer hit the high notes. Is his career in jeopardy?

While his trademark fringe haircut has remained the same, Bieber, 16, confesses his voice is changing, as he goes through a growth spurt.

“I’m not like some super human whose