Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.Jump to contentThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged inAllNewsSportCultureLifestyleFormer NFL star Chris Johnson has disclosed he was diagnosed with ALS last year at the age of 39. He made the announcement during a television appearance on Good Morning America on Monday, 29 June. Johnson noted there is no family history of the disease, with his initial symptom being a weakness in his hand. Inspired by an interview with Eric Dane, who passed away from ALS, Johnson contacted Dr Merit Cudkowicz. Dr Cudkowicz is now providing him with experimental treatment, which Johnson believes has altered the trajectory of his battle. In fullNFL star Chris Johnson announces ALS diagnosis during heartbreaking TV appearanceThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in