Over the course of his storied music career, rock icon Ozzy Osbourne faced health battles with substance abuse and Parkinson's disease.

Ozzy Osbourne died at 76, following a battle with Parkinson’s disease. Here's what to know about the disease and his diagnosis.

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