Black Sabbath frontman Ozzy Osbourne died following his battle with a genetic form of Parkinson's disease, while a brain expert says the singer's lifestyle could have contributed.

Heavy metal rocker Ozzy Osbourne died this week at 76, about five years after announcing he had Parkinson’s disease

Ozzy Osbourne’s death this week at the age of 76 has ignited curiosity about his Parkinson’s disease and how it contributed to his death. Parkinson’s, which affects memory, thinking and movement, is the fastest-growing neurological condition in the world.

Ozzy Osbourne, the world-renowned heavy music and cultural icon who died Tuesday a few weeks following his final live performance, led myriad lives: The lovable if bumbling patriarch of hit reality show The Osbournes;