Michael J. Fox has spent more than half his life navigating Parkinson's disease. Now 65, the Back to the Future star recently acknowledged that the condition has become more difficult over the years, even as he stays active, returns to television, and pushes for research toward a cure.
Fox first noticed symptoms in 1990 and was diagnosed in 1991 at just 29 years old. He kept the diagnosis private until 1998. That means he has now lived with Parkinson's for roughly 35 years—an unusually long public journey with a progressive neurological disease that still has no cure. This week, Fox admitted that things have “gotten harder over the years,” specifically mentioning tremors and balance issues.
How much has Parkinson's limited Michael J. Fox?
The most visible change is his mobility. Fox said in 2025 that he uses a wheelchair frequently, though he can still stand and walk at times, sometimes with assistance. At the 2025 Presidential Medal of Freedom ceremony, he arrived in a wheelchair but was able to walk with help and stand to receive the medal. His condition varies day to day; Fox has said he wakes up, assesses what his body will allow, and adjusts accordingly.
Falls have been one of his most serious challenges. Fox has described breaking his cheek, hand, shoulder, arm, and elbow from repeated falls. He has used a cane, walker, wheelchair, and physical assistance to reduce that risk. A benign spinal tumor and subsequent surgery also affected his ability to walk, making his mobility issues more complex than Parkinson's alone.
Parkinson's also changed his ability to act
The disease eventually affected more than movement. Fox stepped away from acting again in 2020 after developing difficulty memorizing lines, saying that long 12-hour working days were no longer realistic. His speech and motor control have also visibly changed over time.
Yet his latest health update comes with an important contradiction: Fox is significantly physically limited, but he has not stopped working. He returned to acting in 2026 for Shrinking, playing a character who also lives with Parkinson's. The role was structured so Fox could incorporate how he actually feels on a particular day rather than trying to conceal his symptoms.
So how severe is Michael J. Fox's condition today?
There is no publicly confirmed medical “stage” for Fox, and it would be misleading to assign him one based on appearances. Parkinson's does not progress identically in every patient, and Fox himself has stressed that there is no simple timeline for the disease.
What is clear from Fox's own accounts is that his Parkinson's now substantially affects mobility, balance, speech, and his ability to perform certain work, while he continues to remain cognitively and professionally engaged. His latest message is also unexpectedly hopeful. After 35 years with the disease, Fox says scientific progress makes him believe researchers are “getting close” to a cure. His foundation has already directed more than $3 billion toward Parkinson's research and is now preparing an additional $2.5 billion fundraising campaign.
For Fox, then, the latest update contains two realities at once: Parkinson's is taking more from him physically than it once did, but 35 years after his diagnosis, he is still acting, advocating, and betting that science can eventually catch up with the disease.
