一天工作11小时不利于心脏
people working 10 or 11 hours a day are more likely to suffer serious heart problems, including heart attacks, than those clocking off after seven hours, researchers said。
研究人员表示，比起一天工作七小时的，工作十或十一小时的'人群更易遭受严重心脏问题，如心脏病突发。
the finding, from an 11-year study of 6,000 british civil servants, does not provide definitive proof that long hours cause coronary heart disease but it does show a clear link, which experts said may be due to stress。
通过11年来对6000名英国公务员的研究发现，虽没绝对证据证明长时间工作会引起冠心病，但此研究清楚地揭示了两者的联系，专家称这也许和压力有关。
in all, there were 369 cases of death due to heart disease, non-fatal heart attacks and angina among the london-based study group -- and the risk of having an adverse event was 60 percent higher for those who worked three to four hours overtime。
据统计，在这个伦敦研究小组中，有369起死亡是由心脏病引起的，如非致死性心脏病和心绞痛。那些超时工作三到四小时的人群不良反应几率比起工作时间正常人群要高60%
working an extra one to two hours beyond a normal seven-hour day was not associated with increased risk。
而工作了七小时以后再干一、两个小时，这和上升的发病概率并没有关系。
"it seems there might a threshold, so it is not so bad if you work another hour or so more than usual," said dr marianna virtanen, an epidemiologist at the finnish institute of occupational health and university college london。
“两者之间应该有个临界值，所以比平时多工作一、两个小时也没什么影响。”职业健康研究所和英国伦敦大学学院的流行病学家玛丽安娜·维尔塔宁这样说道。
the higher incidence of heart problems among those working overtime was independent of a range of other risk factors including smoking, being overweight or having high cholesterol。
超时工作人群的心脏高发病率还没有包括其他引起因素，如吸烟、肥胖、胆固醇过高。
but virtanen said it was possible the lifestyle of people working long hours deteriorated over time, for example as a result of poor diet or increased alcohol consumption。
同时维尔塔宁也表示，超时工作人群的生活方式很可能一起恶化，如沾染不良饮食和酗酒此类生活恶习。
more fundamentally, long hours may be associated with work-related stress, which interferes with metabolic processes, as well as "sickness presenteeism," whereby employees continue working when they are ill。
从更根本上说，长时间工作可能和工作相关压力有关，压力会扰乱新陈代谢，还造成“带病上班”现象，雇员们生病时还持续工作。
virtanen and colleagues published their findings in the european heart journal。
维尔塔宁和同事们将这些发现刊登在《欧洲心脏杂志》上。
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