Actor Eric Dane, best known for playing Dr. Mark "McSteamy" Sloan in Grey's Anatomy, is opening up about his battle with Amyotrophic Lateral Sclerosis (ALS) disease, revealing in a recent interview that he has lost control of his right arm.

In April of this year, Grey’s Anatomy and Euphoria star Eric Dane revealed he was diagnosed with amyotrophic lateral sclerosis (ALS). And, most recently, he opened up about his battle with the incurable disease in a sit-down with Diane Sawyer for Good Morning America.

In a June 16 interview with Good Morning America's Diane Sawyer, Eric Dane opened up about his reconciled relationship with wife Rebecca Gayheart. The 'Euphoria' actor said they have "managed to become better friends and better parents,