Former Wallabies hooker Nathan Charles has revealed he has motor neurone disease, describing the diagnosis as 'extremely challenging and overwhelming' after months of worsening health. The 37-year-old shared the news in an emotional interview with former Wallaby Justin Harrison on Stan Sport. Charles said he had spent about eight months undergoing tests and seeing doctors without getting answers as his condition continued to decline. #sport #mnd #tragic #jaiarrow #wallabies #fyp