Parkinson's disease isn't fatal, but the progressive neurodegenerative condition can cause life-threatening complications. 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.

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