多喝咖啡并不会导致高血压?

Good news for those of us who need a little caffeine to get through the daily grind – drinking several cups of coffee a day may not increase your blood pressure after all.
对那些像我们一样需要一点咖啡因才能完成日常工作的人的一个好消息——每天喝几杯咖啡并不会使血压升高。

Some scientists have suggested coffee could cause high blood pressure, or hypertension, which has been linked to heart disease, strokes and shorter life expectancy.
一些科学家表明咖啡会引起高血压或过度紧张，这关系到心脏病，中风和寿命更短。

But an extensive U.S. report has concluded that people who have several cups a day fare no worse than those who drink coffee less frequently.
但是美国一个全面的报道总结出，每天喝几杯咖啡的人不会比较少喝咖啡的人过得更糟。

Researchers pooled data from six studies, covering 170,000 people, which asked participants how much coffee they drank each day and then followed them for up to 33 years.
研究人员收集6个包括17万人的研究数据，通过询问他们每天喝多少咖啡，并跟踪他们33年的情况。

According to their analysis in The American Journal of Clinical Nutrition, about one in five developed high blood pressure – with the chance of diagnosis no different for people who said they drank more than five cups of a coffee a day compared with those who drank very little.
根据《美国临床营养学杂志》分析，约1/5的人患有高血压——结果显示，每天喝超过5杯咖啡的人跟不喝咖啡的人相患病几率是一样的。

But one of the research team, Liwei Chen, from the Louisiana State University School of Public Health in New Orleans, said that the relationship between coffee-drinking and blood pressure is complicated by the possibility that it does not work the same way for everyone.
但是，新奥尔良路易斯安那州立大学公共卫生学院的另一组研究人员称，喝咖啡跟高血压的关系是复杂的，可能是因为它对每个人所起的作用不同。

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