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.

Eric Dane detailed the heartbreaking effects that ALS has had on his body just two months after the Grey’s Anatomy alum shared his diagnosis with the world.

Eric Dane, the Hollywood actor, has been diagnosed with Amyotrophic Lateral Sclerosis (ALS). He opened up about the impact the disease has had on his body, revealing that it has paralysed one side of him.