What Is Parkinson Essay

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What is Parkinson’s disease?
Parkinson's disease (PD) is a chronic and progressive movement disorder, meaning that symptoms continue and worsen over time. Nearly one million people in the US are living with Parkinson's disease. The cause is unknown, and although there is presently no cure, there are treatment options such as medication and surgery to manage its symptoms.
Parkinson’s involves the malfunction and death of vital nerve cells in the brain, called neurons. Parkinson's primarily affects neurons in the an area of the brain called the substantia nigra. Some of these dying neurons produce dopamine, a chemical that sends messages to the part of the brain that controls movement and coordination. As PD progresses, the amount of dopamine produced in the brain decreases, leaving a person unable to control movement normally.
The specific group of symptoms that an individual experiences varies from person to person. Primary motor signs of Parkinson’s disease include the following. tremor of the hands, arms, legs, jaw and face bradykinesia or slowness of movement rigidity or stiffness of the limbs and trunk postural instability or impaired balance and coordination
Scientists are also exploring the idea that loss of cells in other areas of the brain and body contribute to Parkinson’s. For example, researchers have discovered that the hallmark sign of Parkinson’s disease — clumps of a protein alpha-synuclein, which are also called Lewy Bodies — are found not only in the mid-brain but also in the brain stem and the olfactory bulb.
These areas of the brain correlate to nonmotor functions such as sense of smell and sleep

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