Snooker world champion Zhao Xintong has revealed an ongoing health battle that leaves him feeling dizzy and affects his eyesight during matches. Zhao, 28, beat snooker legend Ronnie O'Sullivan and reigning champion Kyren Wilson on his way to winning the World Championship in May. His emphatic 18-12 victory in the final against Mark Williams at the Crucible made him China's first ever world champion. It's no surprise, then, that big things were expected of Zhao this season. Unfortunately for the