what is alzheimers? and how does affect in to old people? is it heredirity or not?

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Alzheimer's disease is a progressive, degenerative disorder that attacks the brain and results in disorientation, with impaired memory, thinking, and judgement. People with Alzheimers also undergo changes in their behavior. This combination of symptoms is also called dementia

Most people diagnosed with Alzheimer's disease are older than age 65 and the risk increases with age. However, it can also occur in people as young as in their 30s. One in ten people over age 65 and nearly half of those over age 85 have Alzheimer's disease.

Alzheimer's disease is a steadily worsening disorder of the brain's nerve cells. Parts of the patient's brain are destroyed by the disease, causing "dementia", or impaired brain function. Such damage causes a wide variety of problems for the Alzheimer victim. The early symptom of the disease is faulty thinking. The impairment shows up in a number of ways, for instance: memory loss, problems coming up with words and having a hard time concentrating. Depending on the length of time the disease has been present and the patient's age, other changes may show up in the way the patient acts and reacts. In its later stages, the disease causes the patient to lose control of physical functions and results in total disability and eventual death.

People may develop Alzheimer's disease symptoms at any time from about age forty, although most commonly the disease begins in the mid-sixties or later. Generally, the disease progresses faster for younger people, but every person reacts differently. The disease does not always progress in a steady fashion. There may be fairly long periods when the symptoms stay about the same, and then they may suddenly get worse over a rather short period.

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http://www.nia.nih.gov/alzheimers

This disease used to only affect the elderly - but is now showing up in younger people - it seems to affect females more than males - it affects the portion of the brain that holds the memory - short circuits what memory they have -usually they regress back to earlier times. It is very dis-hearting to live or see someone you love with this and the doctors are not sure if it is inherited or not!

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what is alzheimers? and how does affect in to old people? is it heredirity or not?

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