Singer Ozzy Osbourne reportedly died of a heart attack when he passed away on July 22 at the age of 76. Cardiac arrest, coronary artery disease and Parkinson’s disease with autonomic dysfunction were ...

A death certificate filed at a register office in London revealed that Ozzy Osbourne's cause of death was a heart attack.

Ozzy Osbourne's official cause of death has been revealed after the rock legend's family announced that he passed away on ...