ALS has robbed Eric Dane of functioning in his right arm and is creeping through his left, the veteran actor said in an emotional interview about the diagnosis he revealed in April.

Eric Dane is speaking out about his “sobering” experience with Amyotrophic Lateral Sclerosis (ALS), also known as Lou Gehrig’s disease. The Grey’s Anatomy alum first shared his diagnosis in April, writing at the time that he felt “fortunate that I am able to continue working and am looking forward to returning to set [sic] of Euphoria next week.”