Euphoria and former Grey’s Anatomy star Eric Dane offered a “sobering” update on his health after being diagnosed with amyotrophic lateral sclerosis, or ALS. The actor opened up on Good Morning America about losing mobility in both of his hands,

“My left side is functioning, my right side has completely stopped working,” the Grey’s Anatomy alum said, after sharing he only had “one functioning arm,” in an interview with Diane Sawyer that aired...

"I have one functioning arm. My left side is functioning. My right side has completely stopped working," Dane described.

Dane -- who shot to fame amid six seasons on the hit ABC drama "Grey's Anatomy," where he played Dr. Mark Sloan, affectionately known as "McSteamy" -- said his symptoms began over one year ago, when he began to experience weakness in his right hand.

“I have one functioning arm ... my left side is functioning. My right side has completely stopped working.”