Ozzy Osbourne lived a life of great excess. And when he died this year at the age of 76, many were saddened but also surprised that it hadn't happened earlier.
“[He] had lived on the edge for such a long time, the fact he lived as long as he did was a miracle,” the rocker's close friend, Tom Morello said on a radio show.
It turns out the miracle was in his genes. You see, Osbourne had a rare genetic mutation that allowed him to metabolize alcohol and other substances much faster than normal. And this, say scientists, is what kept him alive despite decades of self-destructive behavior.