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For those keen to look after their health， sugar-free fizzy drinks may seem a wise choice.Butthey could actually increase the risk of having a heart attack or stroke， research shows. 对于那些十分关注自身健康的人来说，无糖的碳酸饮料似乎是个硬质的选择。但有研究称，饮用该类饮料将提高患上心脏病或中风发作的危险机率。 A study of more than 2，500 people found those who had diet drinks every day were 61 percent more likely to get vascular problems than those who did not have any carbonated drinks. 在一项对于2500人进行的调查研究中发现，那些每天都会饮用减肥饮料（无糖碳酸饮品）的人群要比不喝的人出现血管方面疾病的风险高出61%。 Researcher Hannah Gardener said： ‘If our results are confirmed with future studies， then itwould suggest that diet soda may not be the optimal substitute for sugar-sweetenedbeverages for protection against vascular outcomes.’ 研究者称，若调查结果在写下来的研究中被证实，那么低卡的苏打水或将不再是出于对心血管的保护而选择的含糖饮料的最佳代替品。 The 2，564 participants had to state whether they drank diet fizzy drinks， regular fizzydrinks， a mixture of the two or none at all.Researchers said the survey did not include data onthe types of diet and regular drinks consumed however， which could have given furtherinformation on how drinking different brands affected participants. | 
