目的：探讨影响阿尔茨海默病(AD)病情进展速度的可能原因。

Objective: To explore the possible reasons that influences the development of Alzheimer disease (AD).

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现在已在计划实施一项重大研究以确定这一心理变化是否会改变病情进展。

Now a major study is planned to determine whether this psychological change can alter the course of the disease.

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而慢作用药有改善病情的作用，因此在阻止病情进展方面应该用此类药物。

And the slow-acting drug to improve disease and therefore in the progress of the disease should stop using these drugs.

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