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Alzheimer's what is affected 2-12-2011

Alzheimer's what is affected 2-12-2011 - occur after the...

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Dementia is when a loss of brain function occurs. Alzheimer’s disease is a form of dementia that progressively gets worse over time. Some causes of Alzheimer’s disease are: As you get older the chance of you getting the disease goes up. Having a blood relative that has the disease increases your risk. Having a combination of genes that appear abnormal. Other unproven factors are: Having high blood pressure over a long period of time. Having a history of head trauma. Being female. Alzheimer’s comes in two variations: EARLY ONSET: When symptoms appear before the age of 60. This variation is less common but it progresses rapidly and can run in families. LATE ONSET: This is the most common variation. Symptoms
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Unformatted text preview: occur after the age of 60. Can run in some families, but the gene role is not specific. AFFECTS ON THE BRAIN The only sure way to find out if someone has Alzheimer’s is to examine their brain after death. Some common changes are: • NEUROFIBRILLARY TANGLES: twisted fragments of protein within a nerve cell the clog up the cells. • NEURITIC PLAQUES: abnormal clusters of dead or dying nerve cells, other brain cells, and protein. • SENILE PLAQUES: areas where the products of dying nerve cells have accumulated around the protein. When the nerve cells are destroyed there is a decrease in the chemicals that help send messages in the brain creating a loss of function in certain brain area....
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