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AD begins slowly. At first, the only symptom may be mild forgetfulness.
阿爾茨海默氏病病情開始進展緩慢。最初的病癥是輕度的健忘。
In this stage, people may have trouble remembering recent events, activities, or the names of familiar people or things.
在這一階段，患者可能難以記憶最近發生的事，參加的活動，或者熟悉人、事的名字。
They may not be able to solve simple math problems. Such difficulties may be a bother, but usually they are not serious enough to cause alarm.
他們可能不能計算簡單的數學題。這些問題都是麻煩事，但是通常還不足以引起患者的高度重視。
However, as the disease goes on, symptoms are more easily noticed. People in the middle stages of AD may forget how to do simple tasks, like brushing their teeth or combing their hair.
但是，隨著病情的發展，癥狀會被發現的。處于中度癡呆期的患者可能難以自理，比如自己刷牙或者自己梳頭。
They can no longer think clearly. They begin to have problems speaking, understanding, reading, or writing. Later on, people with AD may become anxious or aggressive, or wander away from home.
他們的思維不再清晰。他們開始在說，理解，閱讀或者寫作方面存在障礙。接著，患者開始變得急躁不安，或者想離家出走。
Eventually, patients need total care. AD is a slow disease, starting with mild memory problems and ending with severe brain damage. No treatment can stop AD.
最終，病人需要全面的治療。阿爾茨海默氏病是慢性疾病，開始于輕度的記憶障礙，結束于嚴重的大腦損傷。目前沒有特效方法能夠阻止它。
However, for some people in the early and middle stages of the disease, some dugs may help prevent some symptoms from becoming worse for a limited time.
但是，對于處于輕度或者中度病情的人來說，服用一些藥物能夠在短期內減緩病情的惡化。
Developing new treatments for AD is an active area of research. Research has shown that vitamin E, estrogen, and ginkgo biloba slow the progress of AD.
開發新的能夠治愈癡呆病的療法是研究領域的一個熱點。研究發現維他命E， 雌性激素和銀杏能夠減緩該病的進展。
