Product Feature: good elasticity to ensure a good nights sleep. Good for the middle and old age and athletes.

产品特点：良好的弹性能确保您睡眠时身体的平直，使脊椎得到妥帖的保护，特别适合喜欢运动和中老年人选用。

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Methods the apposite nursing means were taken based on the observation and analysis of the psychological character of 188 cases of the middle and old age received cosmetic operation.

方法通过对188例中老年美容求术者的心理特征进行观察与分析，实施针对性的心理护理措施。

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Some survive just 10 million years (the Sun is 4.6 billion years old and just reaching middle-age).

其中的一些仅仅存在了一千万年(太阳已经存在了46亿年，而且还仅仅步入中年)。

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Until very recently, most of the increase has been due to better survival in childhood and youth, rather than the increased prolongation of middle age into old age.

ECONOMIST: Why women live so long

Given that the period opening up between midlife and anything resembling old age is growing and could be as long as the middle years in duration it's worth experimenting with new roles.

WSJ: The Experts: How to Avoid Retirement Boredom

Unlike developing countries, which age from the bottom up because of a falling birth rate, rich countries age from the middle, adding old people with fewer workers to support them, and even fewer children to join the workforce.

ECONOMIST: Economics focus