Toronto Star | Jack Osbourne 'really, really angry' after multiple sclerosis diagnosis Toronto Star Jack Osbourne reacted with rage and incredulity when he recently got his multiple sclerosis diagnosis. "While I was waiting for the final results, I got really, really angry," he told Hello! magazine. "Then I got really sad for about two days, ... Jack Osbourne Has Multiple Sclerosis Devastating diagnosis for dare-devil new dad Jack Osbourne Jack Osbourne diagnosed with MS |