商务英语测验中级浏览懂得满分操练

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商务英语测验中级浏览懂得满分操练

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商务英语测验中级浏览懂得满分操练

　　Owning a cat can reduce the risk of heart attacks and strokes by more than a third, researchers have found.

　　Scientists said that having a cat helped to relieve stress and anxiety, which is known to help protect against heart disease by lowering blood pressure and reducing the heart rate.

　　The 10-year study looked at 4,435 adults aged between 30 and 75, about half of whom owned a cat.

　　The findings, presented at a stroke conference in America, showed that 3.4 per cent of the cat owners died from a heart attack over 10 years. Among the group who had never owned a cat the rate was 5.8 per cent.

　　Cat owners still had a much reduced chance of developing strokes or heart attacks when researchers took account of other factors known to trigger heart disease, including high cholesterol levels, smoking and diabetes.

　　Prof Adnan Qureshi, from the Minnesota University, who carried out the study, said he was surprised by the strength of the effect that owning a cat appeared to have.

　　"The logical explanation may be that cat ownership relieves stress and anxiety and subsequently reduces the risk of heart disease."

　　He believes one reason could be that stroking the pet could cut the level of stress-related hormones in the blood. Reducing stress is known to help protect against heart disease by lowering blood pressure and reducing the heart rate.

　　But Prof Qureshi added that the type of person who owned a cat was usually already fairly stress-free and at low risk of heart disease.

　　钻研职员发明，养猫能使患心脏病和中风的危险下降三分之一以上。

　　科研职员称，养猫有助于减缓压力、加重焦炙，而加重压力可以或许下降血压和心律，是以有助于防备心脏病。

　　钻研职员对4435名春秋在30岁至75岁之间的成年人停止了为期十年的查询拜访，此中有一半的人养猫。

　　钻研成果显现，在这十年中，唯一3.4%的养猫人士死于心脏病，而从未养过猫的人死于心脏病的比例为5.8%。该成果在美国召开的一个中风钻研会上发布。

　　钻研职员还综合斟酌了高胆固醇、抽烟和糖尿病等可以或许激发心脏病的别的一些身分，成果发明，养猫人士患中风或心脏病的概率仍是要小良多。

　　展开该钻研的明尼苏达大学传授阿德南?库勒什说，他很惊奇养猫有这么大的益处。

　　“公道的诠释应当是，养猫可以或许减缓压力和焦炙，从而下降患心脏病的危险。”

　　他以为此中一个缘由是，爱抚小猫可以或许下降血液中的应激激素程度。而加重压力则可以或许下降血压和心率，从而有助于防备心脏病。

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