Osbourne, 26, learned of the shocking news just two weeks after he and fiancée Lisa Stelly welcomed their first child, daughter Pearl Clementine. "I was just angry and frustrated and kept thinking, 'Why now?' " Jack told the magazine. "I've got a family and that's what's supposed to be the most important thing."
Multiple Sclerosis affects the central nervous system — specifically the brain and the spiral cord — and can cause problems with muscle strength and control, balance, vision, feeling and thinking. However, the disease varies greatly from person to person — some people only experience minor issues while others are severely affected by the illness.
Related Articles on TVGuide.com