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Parkinsons Disease

Parkinson’s

Parkinson’s disease (PD) is a neurodegenerative brain disorder.  A disease in which there is a progressive loss of structure or function of neurons, including death of neurons. Normally, there are brain cells (neurons) in the human brain that produce dopamine.  These neurons concentrate in a particular area of the brain, called the substantia nigra.  Dopamine is a chemical that relays messages between the substantia nigra and other parts of the brain to control movements of the human body.  Dopamine helps humans to have smooth coordinated muscle movements. When approximately 60 to 80% of the dopamine-producing cells are damaged, and do not produce enough dopamine, the motor symptoms of Parkinson’s disease appear.  This process of impairment of brain cells is called neurodegeneration. Parkinsonism is an inclusive term, which means...

Parkinson’s disease (PD) is...

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