Parkinson Disease

Anh Thu Le Professor Crow ENGL 0349 11/25/2008 research Paper Parkinsons disease paralysis agitans disease is a brain dis tack together.  It occurs when certain nerve cells (neurons) in a infract of the brain called the substantia nigra die or become impaired. Normally, these cells bring forth a vital chemical cognize as dopamine. dopamine allows smooth, coordinated function of the bodys muscles and elbow grease.  When approximately 80% of the dopamine-producing cells argon damaged, the symptoms of shaking palsy disease appear. Parkinsons disease is named afterward the British atomic number 101 James Parkinson, who foremost described the illness. His current paper describing this disorder, print in 1817, was entitled Essay on the Shaking Palsy. It is a disease that is characterized by four major features is rest awe of a limb (shaking with the limb at rest), slowness of movement (bradykinesia), rigidity (stiffness, increased resistance to peaceable movemen t) of the limbs or trunk, wretched balance (postural instability). When at least cardinal of these symptoms be present, and specially if they argon more evident on one demeanor than the other, a diagnosis of PD is made, unless on that point are atypical features that suggest an alternative diagnosis. Patients may first sack something is wrong when they develop a tremor in a limb; movements are slowed and activities take longer to coiffure; or they experience stiffness and have balance problems. Initially, symptoms are a variable combination of tremor, bradykinesia, rigidity and postural instability.  Symptoms typically sustain on one side of the body and break over time to the other side. (Parkinson.org) Changes occur in nervus facialis expression, so that there is a certain facial stronghold (blank expression showing little emotion) or a pure(a) appearance (due to reduce frequency of eye blinking). Complaints of a polar shoulder or foot drag on the change side are not uncommon.  As symptoms come on gra! dually, older patients may attribute these changes to aging....If you want to get a full essay, order it on our website: OrderCustomPaper.com

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