The study of 2,401 twins found that a sedentary lifestyle raises the risk of a range of problems from heart disease to cancer and appears to play a key role in the ageing process.

这项对2401对双胞胎开展的研究发现，久坐的生活习惯会增大患心脏病和癌症等一系列疾病的风险，而且是影响衰老进程的关键因素。

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The study of 2, 401 twins found that a sedentary lifestyle raises the risk of a range of problems from heart disease to cancer and appears to play a key role in the ageing process.

这项对2401对双胞胎开展的研究发现，久坐的生活习惯会增大患心脏病和癌症等一系列疾病的风险，而且是影响衰老进程的关键因素。

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The key to these problems in the eyes of the writers lies in the contradiction and conflict between the academic study and practical applications .

笔者认为，症结在于学术研究与实际应用之间的矛盾以及理论与实践的冲突。

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Diplomacy to resolve the Middle East's other problems is key to a solution in Iraq, the study group said.

NPR: Compromise Required With the Iraq Study Group

It's recommending a huge hike in London weighting to tackle recruitment and retention problems in some key services, and the former Mayor of Islington, who commissioned the study, says all levels of government have a responsibility.

BBC: Summer of discontent