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What is Parkinson's disease?
Parkinson's disease is a chronic, progressive disorder of the central nervous system that belongs to a group of conditions called motor system disorders. Parkinson's is the direct result of the loss of cells in a section of the brain called the substantia nigra. Those cells produce dopamine, a chemical messenger responsible for transmitting signals within the brain. Loss of dopamine causes critical nerve cells in the brain, or neurons, to fire out of control, leaving patients unable to direct or control their movement in a normal manner.
Parkinson's disease has been known since ancient times. An English doctor, James Parkinson, first described it extensively in 1817. unbenownced to you, this disease starts working on your brain 12-14 years prior to your very first symptom. By the time you show your very first symptom, 80-90% of the neurons in the substaintia nigra, the center of your brain basically, have already died.
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