When Ashton Kutcher’s autoimmune disorder left him with vision and hearing problems

Ashton Kutcher recently shared that three years ago, he went through a bit of a health crisis, which affected his ability to walk, along with his sight and hearing. The actor was quoted as talking about a rare autoimmune disorder in an exclusive video clip shared with Access Hollywood from an upcoming episode of National Geographic‘s ‘Running Wild with Bear Grylls: The Challenge‘.