Each of those studies found higher rates of various complications in patients who received older transfused blood when compared with patients who got fresher blood.

这些研究都发现输入老血液的病人发生各种并发症的几率高于输入新鲜血液的病人。

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For years, studies have found that first generation college students those who do not have a parent with a college degree lag other students on a range of education achievement factors.

多年来，研究发现，父母都没有大学学历的第一代大学生在一系列教育成就方面落后于其他学生。

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Several studies have found that the coronary patients who exercise most actively have half or less than half the chance of dying of a heart attack as those who are sedentary.

几项研究发现，与久坐不动的冠心病患者相比，积极运动的冠心病患者死于心脏病发作的几率为一半或不到一半。

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Those studies - in Europe and the United States - found that people who drank a lot of coffee were less likely to develop cancers of the mouth and throat.

VOA: standard.2010.06.30

The results confirm those of previous studies that found higher rates of asthma among American children compared with kids from other countries, and investigators have also reported similar differences in allergic diseases between immigrants and native-born citizens in Italy, Israel and Australia.

CNN: American kids have higher allergy risk

These are much clearer effects than those found in previous studies.

ECONOMIST: A breakthrough in measuring the knowledge economy

This finding is consistent with those of 18 experimental studies conducted by other researchers, none of which found any benefit from mandatory disclaimers.

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