细胞的退化使得神经元之间的沟通中断，由此导致困惑、健忘和其他阿尔兹海默症的典型症状。

When that happens, communication among nuerons breaks down, leading to confusion, forgetfulness and other hallmark symptoms of Alzheimer's.

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这些复合物的化学结构相似，在治疗阿尔兹海默症方面很有前景。 但人体不易吸收这些物质，而且用量很高时，它们会产生毒性。

These compounds, which are all similar in chemical structure, have promising characteristics, but the human body does not easily absorb them, and they can be toxic at very high doses.

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几乎在所有的问题上——基因学，能源，对于癌症和阿尔兹·海默症的研究——我们都已经达到了波谷。

We have hit the trough phase in all sorts of problems - genetics, energy, research into cancer and Alzheimer's.

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