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Alzheimer's Disease Essay

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Alzheimer's Disease
Alzheimer¡¦s disease is a slow, progressive, and degenerative disease of the brain. This disease is marked by a gradual loss of memory and other cognitive functions. "Alzheimer's Disease is also known as the most common cause of dementia--a general term referring to the loss of memory and the ability to think, reason, function, and behave properly" (Medina,1999). It primarily affects adults in their 60's or older and eventually destroys a person's ability to perform simple, routine tasks or even to care for themselves. Statistics show that "as many as 10 percent of all people 65 years of age and older have Alzheimer's," and that approximately "50 percent of all people 85 or older also have the …show more content…

Today, these certain plaques and tangles found in the brain are considered to be the tell tale signs of Alzheimer's disease.
The cause of Alzheimer¡¦s disease still remains a mystery today. Researchers are learning about what happens to the brain as we grow old, what happens to brain cells in Alzheimer's Disease, which genes are associated, and many other factors that may be significant. Some of the most promising Alzheimer¡¦s research is being conducted in the field of genetics to learn the role a family history of the disease has in its development. Scientists have learned that "people who are carriers of a specific version of the apolipoprotein E gene (apoE gene), found on chromosome 19, are several times more likely to develop Alzheimer¡¦s than carriers of other versions of the apoE gene. Nearly half of all late-onset Alzheimer¡¦s patients have the less common apoE4 version and research has shown that this gene plays a role in Alzheimer¡¦s disease"(Cutler & Sramek, 1996). Scientists have also found evidence that "variations in one or more genes located on chromosomes 1, 10, and 14 may increase a person¡¦s risk for Alzheimer¡¦s disease"(Cutler & Sramek, 1996).
Researchers have made similar strides in the investigation of early-onset Alzheimer¡¦s disease.

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