Ashton Kutcher Says He's "Lucky to Be Alive" After Battling Rare Autoimmune Disorder

Ashton Kutcher Reveals His Medical Diagnosis That Impacted His Vision & Hearing: 'Lucky to Be Alive'

Ashton Kutcher Couldn't See, Hear or Walk Amid Autoimmune Disorder Diagnosis

Exclusive Clip! Ashton Kutcher Rappels Down 300-Foot Cliff on ‘Running Wild with Bear Grylls: The Challenge’