Jack Osbourne: 'I have multiple sclerosis'

New dad Jack Osbourne has revealed he is suffering from multiple sclerosis.

The 26-year-old son of Ozzy Osbourne told Hello! magazine he was diagnosed with the disease after losing 60 percent of the vision in his right eye.

"While I was waiting for the final results, I got really, really angry," he said.

"Then I got really sad for about two days, and after that I realised, being angry and upset is not going to do anything at this point — if anything it's only going to make it worse.

"'Adapt and overcome' is my new motto."

Jack received the diagnosis just weeks after his daughter Pearl was born.

"The timing was so bad. I'd just had a baby, work was going great - I kept thinking, 'Why now?'"

Jack's mum Sharon Osbourne also spoke to the mag, saying, "I keep thinking, 'What did I do wrong? What did I eat or drink when I was pregnant?' I feel like it's somehow my fault."