Ex-NFL Star Chris Johnson Diagnosed With ALS

Former NFL superstar Chris Johnson revealed on ABC's Good Morning America that he was diagnosed with ALS last year. The disease has progressed so rapidly that the former 2,000-yard rusher now utilizes a speech-generating device to communicate. Johnson discussed his battle with the condition during the Monday broadcast, highlighting the speed of the progression and the current necessity of assistive technology to facilitate his speech as he manages the effects of the diagnosis.