Is Parkinson’s Disease Hereditary? What You Need to Know

When someone in your family is diagnosed with Parkinson’s disease, it’s natural to wonder: Is Parkinson’s hereditary? It’s a question that often carries fear and uncertainty, especially for children or grandchildren who may worry about their own risk.

👉 Keep reading to learn what science tells us about genetics and Parkinson’s — and why family history is only one piece of the puzzle.

Genetics and Parkinson’s Disease
Research shows that Parkinson’s disease is caused by a combination of genetic and environmental factors. About 10–15% of cases are linked to inherited genetic mutations. Scientists have identified specific gene changes, such as mutations in the LRRK2, PARK7, PINK1, PRKN, and SNCA genes, that can increase the likelihood of developing the condition.

However, most cases of Parkinson’s are considered “sporadic”—meaning they occur without a direct hereditary link. This suggests that while genes can play a role, other factors like aging, environmental exposures, and lifestyle may contribute just as strongly.

Family Risk: What Does It Mean for You?
Having a relative with Parkinson’s doesn’t mean you’ll definitely develop the disease. Your risk may be slightly higher, but it is not absolute. Many people with a family history never develop Parkinson’s, while others with no family connection do.

Genetic testing is available for those who are concerned, but it’s not recommended for everyone. Talking with a neurologist or genetic counselor can help determine if testing is appropriate for you.

Lifestyle and Protective Factors
Emerging research suggests that certain lifestyle choices may help reduce risk or delay onset. Regular exercise, a balanced diet rich in antioxidants, and staying socially and mentally engaged are all linked to better brain health. While these steps are not guarantees, they can support overall well-being and resilience.

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 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 and support groups, including:

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

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.
👉 Click here to sign up for the PASWFL newsletter
👉 Click here to become a member (it's free!)

To learn more, visit www.paswfl.org and discover the power of support, education, and community.