Alzheimer

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  • Publicado : 10 de julio de 2011
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“Alzheimer's disease is one of the diseases which present a picture called "dementia" which includes confusion, memory loss and possible personality change. It is a progressive, irreversible diseasewhich attacks brain cells and kills them. It accounts for 68% of all dementia cases” (Alzheimer’s Outreach). The average time of life expectancy among those who have got the illness is between fiveand ten years, despite nowadays many patients survive fifteen years or more due to the improvements in the attention and medical treatment. The cure of Alzheimer has not been discovered yet, but thereis a palliative therapy. But, is a “dementia” a cause for non-live your life?.
“Alzheimer’s disease (AD) is the most prevalent neurodegenerative disorder, afflicting 10% of the population over the ageof 65 and 50% of the population over the age of 85 … is characterized in patients by an inexorably progressing dementia. In vulnerable brain regions, such as the hippocampus and cortex, there is anaccumulation of extracellular neuritic plaques and intracellular neurofibrillary tangles.” (Zhang 124).
As brain cells die, the substance of the brain shrinks or "atrophies". Abnormal materialcalled "tangles" builds up in the centre of the brain cells and plaques outside the brain cells, disrupting messages within the brain and preventing the memory, for example, from recalling information.Memory of recent events is the first to be affected, but as the disease spreads, long-term memory is also lost. The disease also affects many of the brain's other functions and consequently, many otheraspects of behavior are disturbed.
At this time, we do not yet know what causes Alzheimer Disease or how to stop its progression. Researchers have discovered that Alzheimer Disease is not a part ofnormal aging, affects both men and women and is more common in people as they age-most people with the disease are over 65. At present there is no proven medical treatment which will cure or slow...
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