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.

Ozzy Osbourne lived with Parkinson's disease for years before his death. Here's what you need to know about the neurodegenerative disease.

Ozzy Osbourne, lead singer of Black Sabbath, has died at age 76. He said he had been previously diagnosed with a form of Parkinson’s disease linked to the gene PRKN