Alzheimer's is the most common form of dementia, affecting an estimated 700, 000 people in the UK.

老年痴呆症是痴呆最常见的形式，在英国，估计有七十万人受此病困扰。

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Over a billion people are estimated to live with some form of disability. This corresponds to about 15% of the world's population.

据估计，超过10亿人，约相当于世界人口的15%，忍受着某种形式的残疾。

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An estimated 750,000 Britons have some form of dementia, with more than half suffering from Alzheimer's.

据估计，已有75万英国人患有痴呆症，而其中更有超过半数患有老年痴呆症。

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Four years ago, the labor agency estimated that more than twelve million people were in some form of forced labor.

VOA: special.2009.06.08

The WHO report says an estimated to have some form of cancer this year.

VOA: special.2009.01.13

Yoga is big business: An estimated 22 million Americans practice some form of the ancient Indian discipline.

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So do many of Turkey's estimated 15m Alevis, who practise an idiosyncratic form of Islam: they do not pray in mosques, they are not teetotal and their women do not cover their heads.

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Between 22% and 40% of people with NHL are estimated to have the follicular or low-grade form.

BBC: The drug targets cancer cells directly