Johnny Knoxville has shared how he’s “done enough” large and extreme stunts now after suffering from a brain haemorrhage while filming the upcoming Jackass Forever movie. In a new interview on The Howard Stern Show, the Jackass star explained that he broke his wrist and ribs, and suffered brain damage, after getting charged at by a bull (a brutal image of the moment it happened was one of the first teasers for the film last year). “The bull hit was the worst hit I’ve ever taken from a bull or maybe period,” Johnny said. “I remember taking some tests. The neurosurgeon said, ‘Do you have trouble paying attention right now?’ I said, ‘Yeah, why?’ He goes, ‘Because you scored a 17 on [your attention].’ That’s out of 100. “I had to go under all t...