"It has been one nightmare after another."Back in 2018, he was forced to cancel dates during his No More Tours 2 tour, due to the infection in his right thumb.He was hospitalised after contracting a staph infection and had to undergo multiple surgeries.It was so severe that the swelling reached the "size of a f*****g lightbulb" and could have killed him if it had ripped through the rest of his body.A year later, while recovering from a bout of pneumonia, he suffered a fall at his Los Angeles home that caused him to "re-injure his back and neck and shoulders".His wife Sharon Osbourne, revealed at the time that he had "dislodged metal rods that had been put in his body".Then, in 2020, he told the world about his Parkinson's disease diagnosis,.