Parkinson’s disease is a condition that slowly affects the brain and body over time. It is most often diagnosed in people between the ages of 55 and 65, although it can sometimes appear earlier.
The disease affects movement, causing symptoms such as shaking, slow movement, stiffness, and problems with balance. It can also affect sleep, thinking, mood, and even basic body functions like bladder control.
At the moment, there is no cure for Parkinson’s disease. Because of this, scientists are trying to find ways to slow down how quickly the disease gets worse. While medications can help manage symptoms, new research shows that something simple—exercise—may play a very important role in protecting the brain.
A study from researchers at the University of Nevada, Las Vegas (UNLV) suggests that regular exercise may help slow the progression of Parkinson’s disease. The research highlights that exercise is not only good for general health but may also directly affect how the disease develops in the brain.
According to Professor Merrill Landers, a physical therapist and researcher involved in the study, exercise can reduce inflammation in the brain.
Inflammation is part of the body’s natural defense system, but too much of it can damage healthy brain cells. In Parkinson’s disease, this damage affects neurons that produce dopamine, a chemical that helps control movement.
One of the key benefits of exercise is that it increases a protein called brain-derived neurotrophic factor, or BDNF. This protein helps brain cells grow, survive, and stay healthy. It also helps reduce harmful inflammation. Because of this, exercise is sometimes described as “fertilizer for the brain.”
The researchers studied people with Parkinson’s disease and guided them through different types of aerobic exercise. Aerobic exercise is any activity that raises your heart rate, such as walking, cycling, or dancing. They also collected blood samples to understand how different levels of exercise affect the body.
They found that moderate but challenging exercise gave the best results. This means exercising hard enough that you can speak in short sentences, but not so easily that you can have a full conversation without effort. This level of activity helps increase BDNF and reduce inflammation, which may help protect the brain.
The researchers suggest aiming for about 60 to 75 percent of your maximum heart rate during exercise. This level allows people to keep going for a longer time, which is important for getting the full benefits. If the exercise is too intense, people may not be able to continue long enough to help the brain.
Other types of exercise can also be helpful. Strength training can improve muscle power, while activities like boxing or interval training can improve balance and coordination. These types of exercise challenge the body in different ways and may help people maintain their independence for longer.
Parkinson’s disease develops slowly, and many people do not notice symptoms right away. Early signs can include loss of smell, constipation, tiredness, and sleep problems. By the time more obvious symptoms like tremors appear, a large number of dopamine-producing brain cells have already been lost.
Although medications such as levodopa can help manage symptoms by increasing dopamine levels, they do not stop the disease from progressing. This is why finding ways to slow down the disease is so important.
The study also highlights the importance of awareness. Public figures like actor Michael J. Fox have helped bring attention to Parkinson’s disease, encouraging more research and support for those living with the condition.
In the end, this research suggests that exercise is one of the most powerful tools currently available for people with Parkinson’s disease. It is simple, accessible, and has many benefits beyond brain health. While it is not a cure, regular physical activity may help people live better for longer.
The findings offer hope that small, everyday actions—like staying active—can make a real difference in managing this challenging condition.
If you care about Parkinson’s disease, please read studies that Vitamin B may slow down cognitive decline, and Mediterranean diet could help lower risk of Parkinson’s.
For more information about brain health, please see recent studies that blueberry supplements may prevent cognitive decline, and results showing Plant-based diets could protect cognitive health from air pollution.
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