In 2001, Danish researchers conducted physical and cognitive tests on more than 1,800 pairs of twins over aged 70, as well as taking photos of their faces.

2001年，丹麦研究者对1800多对年过70的双胞胎进行了身体和认知测试，还拍了他们的脸部照片。

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Nearly all of those aged over 50.

几乎他们所有人都是50岁以上。

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Just over half said they would refer patients aged 71 or over, but only 11% said they would refer patients aged over 81.

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Although free travel is available for those aged over 60 in Scotland, the report found that 13% of those aged over 75 did not use public transport because it was not suitable for their disabilities.

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The number of people aged over 65 has doubled in the last 70 years, and between 1995 and 2025 the number of people aged over 80 is set to increase by almost half.

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