
Ashton Kutcher has revealed that he had a rare autoimmune disorder, where he lost the ability to walk, see, and hear.
The 44-year-old actor recalled his terrifying health scare in a sneak peak of an upcoming episode of the National Geographic’s Running Wild with Bear Grylls: The Challenge, obtained byAccess Hollywood. During the episode, Kutcher detailed how he was diagnosed with a “rare form of vasculitis” and how the condition “knocked” him out.