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Parkinson's disease is an illness that affects nerve cells in the brain, especially dopamine-producing neurons. When dopamine levels decrease, it causes abnormal brain activity, leading to impaired movement and other symptoms of Parkinson's disease.

Its causes are unknown but factors that can affect this disease are

  • Genes: Researchers have found that some people with many family members affected by Parkinson's disease have mutations in the LRRK2 gene. The presence of these gene variations can increase a person's risk for Parkinson's disease but only slightly. Therefore, genetic testing cannot predict who will or will not develop Parkinson's disease.

  • Environment: Being exposed to certain toxins or environmental factors, especially during a vulnerable time such as childhood, may cause the development of Parkinson's disease. However, this is considered to be a minor factor in this disease.

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