Two weeks after Ozzy Osbourne‘s death, the Black Sabbath frontman’s cause of death has been revealed. According to a death certificate obtained by The New York Times, Osbourne died of a heart attack “out of hospital” and suffered from coronary artery disease and Parkinson’s disease. Osbourne died July 22. His family announced his death that day without cause, though he had publicly revealed the complications to his health due to his Parkinson’s diagnosis. “It is with more sadness than mere words can convey that we have to report that our beloved Ozzy Osbourne has passed away this morning,” Osbourne’s family said in a statement confirming his death.
