Ozzy Osbourne has canceled the upcoming North American leg of his No More Tours 2 as he seeks treatment for health setbacks. Early last year, the singer suffered a fall that required surgery, sidelining him from touring. Earlier this year, he revealed that he had been diagnosed with Parkinson’s disease. Full refunds, including fees, will be available at the point of purchase. Those who had bought tickets to the tour will get first access when rescheduled dates go on sale.