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.

Michael J. Foxremains committed to prioritizing optimism — even during challenging times. At the annual A Funny Thing Happened on the Way to Cure Parkinson’s gala, hosted by the Michael J. Fox Foundation on Saturday,

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