Can Parkinson’s Disease Be Prevented? What Science Says About Risk Reduction and Brain Health

How to Prevent Parkinson’s Disease: What We Know So Far
Parkinson’s disease (PD) affects millions worldwide, and one of the most common questions people ask is whether it can be prevented. While there is currently no proven way to fully prevent Parkinson’s disease, research shows that certain lifestyle choices may help reduce risk, delay onset, or support long-term brain health.
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Understanding what science does — and does not — know empowers individuals to take proactive steps while avoiding misinformation.

Here’s the important truth most people don’t hear…
While Parkinson’s cannot be guaranteed to be prevented, your daily habits may influence brain resilience more than you think. Researchers are uncovering patterns that suggest certain choices can support neurological health for years to come.

What Causes Parkinson’s — and Why Prevention Is Complex
Parkinson’s disease develops due to a combination of genetic susceptibility and environmental factors. Most cases are considered idiopathic, meaning no single cause can be identified. This complexity makes true prevention difficult — but risk reduction is possible.

Lifestyle Factors Linked to Lower Parkinson’s Risk
Research suggests several habits may be associated with a reduced risk of developing Parkinson’s disease:
​1. Regular Physical Exercise
Consistent aerobic exercise is one of the most strongly supported protective factors. Activities such as walking, cycling, swimming, dancing, and strength training help support dopamine-producing brain cells and improve overall neurological health.
2. A Brain-Healthy Diet
Diets rich in antioxidants and anti-inflammatory foods may help protect brain cells. Common recommendations include:

• Fruits and vegetables (especially leafy greens and berries)
• Whole grains
• Healthy fats (olive oil, nuts, fish)
• Limiting ultra-processed foods

​3. Reducing Environmental Toxin Exposure
Long-term exposure to pesticides, herbicides, and industrial chemicals has been linked to increased Parkinson’s risk. Using protective equipment, filtering drinking water, and limiting chemical exposure when possible may reduce risk.
4. Supporting Gut and Sleep Health
Emerging research suggests Parkinson’s may begin years before motor symptoms appear — possibly in the gut or during sleep. Prioritizing gut health, addressing chronic constipation, and treating sleep disorders like REM sleep behavior disorder may support early brain health.

Genetics, Age, and What We Can’t Control
Age remains the biggest risk factor for Parkinson’s disease, and genetic factors may also play a role. However, having a risk factor does not mean Parkinson’s is inevitable. Many people with risk factors never develop the disease.

Why Early Awareness Matters
Recognizing early, non-motor symptoms — such as loss of smell, sleep changes, constipation, or subtle movement changes — allows for earlier intervention, better symptom management, and improved quality of life.

​Why Support Matters
A diagnosis of any form of Parkinson’s can feel overwhelming. But with the right support and resources, individuals can maintain independence, quality of life, and emotional well-being.
For resources, referrals, and support in navigating Parkinson’s and related conditions, contact the Parkinson’s Association of Southwest Florida (PASWFL) at www.paswfl.org or call 239-417-3465.

For over 25 years, PASWFL has provided free, high-quality services and programs to individuals and families touched by Parkinson’s disease in Southwest Florida. Their goal is simple: help people live well with PD, regardless of where they are in their journey.
Each week, PASWFL offers more than 25 free programs, including:

• Wellness and fitness classes
• Speech exercise classes
• Educational seminars
• Support for care partners
• Support groups

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There are no fees to become a member, and PASWFL welcomes anyone touched by PD.
Take the First Step Toward Living Well
If you suspect early Parkinson’s or have been recently diagnosed, you don’t have to face it alone.
👉 Sign up for the PASWFL newsletter: https://parkinsonassociationswfl.org/signup-enews.html
👉 Become a free, confidential member: https://parkinsonassociationswfl.org/signup.html
To learn more, visit www.paswfl.org and discover the power of support, education, and community.