In a Twitter video on Sunday, the comedian announced he’s now focusing on writing and acting.
I said, ‘You know, I’m at the top of my game.
After 50 years, almost, I’m gonna just call it quits.’

Richard Lewis.Credit: Doug Hyun/HBO/Courtesy Everett Collection
And I felt great about that.
And then, out of the blue, the s— hit the fan.
“On top of all of that, two years ago I started walking a little stiffly.
I was shuffling my feet.
I went to a neurologist and they gave me a brain scan.
And I was diagnosed with Parkinson’s Disease.”
“I’m just focusing on writing and acting.
I have Parkinson’s Disease but I’m under a doctor’s care,” he explained.
HBO has not yet released a premiere date for season 12 ofCurb Your Enthusiasm.