Jack Osbourne Had A Brain Inflammation Osbourne family is being overwritten ordeal is quite heavy. Because the couple’s son Ozzy Osbourne and Sharon Osbourne declared positive for multiple sclerosis. As reported by the Dailymail, conditions began to feel awkward when Jack Osbourne lost 60% vision. After consulting a doctor, has revealed that there is something wrong with his brain. When interviewed by the magazine Hello!, Jack who also works as a TV star was admitted in shock. But that did not make it then give up and despair. “When I was waiting for final results, I am really very angry, very angry.