Nervous System

Parkinson's disease is a progressive disorder of the central nervous system, meaning symptoms get worse over time. Parkinson's disease is a disease in which, you have a disorder in your brain characterized by shaking, and difficulty. You get this by having deteriorated nerve cells, which means, your nerve cells are rugged or tired down. It affects the nervous system, because the brain is a part of the nervous system and this disease - causing shaking is a disorder in the brain.