Alzheimer's is the most common cause of dementia in the elderly.

阿尔茨海默病是老年人患痴呆症的最常见原因。

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Cerebrovascular disease was a common cause of dementia in the elderly.

脑血管病是老年期痴呆的常见原因。

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With the increase in the number of aged people, the incidence of senile dementia raises correspondingly. Decline of cognition ability is a key factor leading to dementia in the elderly.

我国老年人口逐渐增加，相应的老年痴呆的发病率也随之增加，而认知功能下降是老年痴呆的重要因素。

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The study looked at leptin levels in more than 700 elderly adults who did not have dementia.

VOA: standard.2009.12.30

Alzheimer's disease affects millions of people world-wide and is the leading cause of dementia in the elderly.

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Dr Crawford said that melatonin does not currently exist as a treatment for dementia but was registered in Europe and the UK for use with elderly patients with sleeping difficulties.

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The home specialises in caring for elderly people and those with dementia.

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