What is the rare disease that left actor Ashton Kutcher unable to hear, see and walk? | Video
[ad_1] Ashton Kutcher reveals on an episode of "Running Wild with Bear Grylls: The Challenge" that he has battled a serious autoimmune disease that has...
Ashton Kutcher says he battled vasculitis. What is this disease about?
[ad_1] (CNN) -- Ashton Kutcher revealed on Monday that he battled a serious autoimmune disease that has affected his hearing, sight and ability to walk...