Nathan Charles, a former Wallaby who once beat cystic fibrosis to earn four Test caps, has now disclosed a motor neurone disease diagnosis.

Charles played as a hooker for the Western Force, Melbourne Rebels and had brief spells in England and France before retiring from professional rugby in 2018. His international debut came in 2014, when he earned four Test matches for Australia.

Diagnosed with cystic fibrosis – a genetic disorder that damages lungs and other organs – Charles still reached elite level. Former Wallabies coach Ewen McKenzie said he had “defied science”, noting the condition’s usual impact on sport.

At 37, Charles announced his MND diagnosis during a Stan Sport interview with former Wallaby Justin Harrison. He said the disease had been “extremely challenging and overwhelming” and that his first thought was how it would affect his family.

He asked, “How long have I got?” and explained that MND varies for each person, with no cure and a progressive loss of physical ability. Charles now uses mobility aids and struggles with everyday tasks such as putting on shoes.

MND has dominated Australian sport headlines in 2026, following the death of 2025 Australian of the Year Neale Daniher and the diagnosis of Queensland State of Origin player Jai Arrow. Charles’ story adds another high‑profile voice to the conversation.

Charles’ journey teaches that serious health conditions can touch even the most physically demanding careers. It also highlights the importance of medical awareness, early testing and the resilience athletes can show when facing life‑changing illnesses.