2012年9月20日星期四

A common disease----Alzheimer's Disease

Alzheimer's disease is the most common cause of dementia, affecting millions people in the world. Alzheimer's disease is a progressive neurologic disease of the brain leading to the irreversible loss of neurons and the loss of intellectual abilities, including memory and reasoning, which become severe enough to impede social or occupational functioning. The symptoms including loss of memory, mood changes, and problems with communication and reasoning. These symptoms occur when the brain is damaged by certain diseases and conditions, including Alzheimer's disease.

Doctors say Alzheimer's disease can sometimes be tricky to diagnose because each patient has unique signs and symptoms. Several of the signs and symptoms present in Alzheimer's disease also exist in other conditions and diseases. In general, people in the early stages of Alzheimer's disease may experience lapses of memory and have problems finding the right words. As the disease progresses, they may: become confused and frequently forget the names of people, places, appointments and recent events; experience mood swings, feel sad or angry, or scared and frustrated by their increasing memory loss; become more withdrawn, due either to a loss of confidence or to communication problems; have difficulty carrying out everyday activities. So if you have the old in your family, you should be aware of their health and also behavior.

The main reason Alzheimer's disease shortens people's life expectancy is not usually the disease itself, but complications that result from it. As patients become less able to look after themselves, any illnesses they develop, such as an infection, are more likely to rapidly get worse.

Planning and medical/social management can help ease the burden on both patients and family members. There are some drugs that are used to treat Alzheimer's Disease.

·Cholinesterase inhibitors (Aricept, Cognex, Exelon, Razadyne).
·Namenda (treat moderate-to-severe Alzheimer's disease).
·Huperzine A can improve memory and learning.

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