一个在欧洲持续八年的大型研究表明吃推荐份量的蔬菜水果只能轻微降低人们患癌症的风险。
A large, eight-year study in Europe shows that eating the recommended servings of fruits and vegetables made people only slightly less likely to be diagnosed with cancer.
他们检讨了涵盖中风和水果蔬菜摄取的八项研究；
They reviewed eight studies that covered stroke and consumption of fruits and vegetables.
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