Michael J Fox has admitted that maintaining his dark sense of humour is becoming increasingly difficult as he continues his battle with Parkinson's disease. The 63-year-old actor made the candid admission whilst attending his foundation's annual A Funny Thing Happened on the Way to Cure Parkinson's gala in New York City on Saturday.

Back to the Future star Michael J Fox has admitted that his Parkinson’s condition makes it difficult for him to maintain his dark sense of humour. The 63-year-old actor, who was diagnosed with the disease in 1991, has maintained an active public presence including appearances at Glastonbury and awards shows, despite retiring from acting in 2020.

While filming "Doc Hollywood" in 1991, Michael J. Fox first noticed a tremor in his pinky finger. A visit to a neurologist brought a life-changing diagnosis: young-onset Parkinson’s disease (PD). At just 29 years old, Fox faced the daunting reality of a progressive neurological condition.

The actor chatted with PEOPLE about using humor to cope while attending the Michael J. Fox Foundation's annual gala on Nov. 16

Michael J. Fox admitted it is hard to maintain even his dark sense of humor during his Parkinson's battle, but he refuses to give in, working on keeping it "in tact."

Michael J. Fox admitted that maintaining his legendary dark sense of humor is actually a bit of work. The actor told People that it's "hard for me" but "I gotta keep it intact." Fox spoke to the outlet at his annual A Funny Thing Happened on the Way to Cure Parkinson's fundraiser Saturday.

Michael J. Fox tries to keep his sense of humour "intact" amid his Parkinson's battle even though it can be "hard" for him sometimes.