其中的一项研究成果表明，如果一个人有个朋友变胖了的话，那么这个人变胖的可能性就增加了57%。

One of the study's findings was that a person's chance of becoming obese increased 57 percent if the person had a friend who became obese.

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有人说40岁是一个人走向衰老的开始，忘了这句话吧，一项新调查发现，你从28岁就开始正式变老了。

Forget being over the hill at 40 - you're now officially 'old' at just 28, a new survey has found.

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