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Experts say eating a range of fruit and veg is best, as part of a balanced diet, to protect against illness 专家说吃各种水果和蔬菜，作为平衡饮食的一部分，是以防生病的最好方法。 Research suggests eating at least seven portions of fruit and vegetables a day is more effective at preventing disease than the government's current five-a-day recommendation. 研究表明至少每天吃七种水果或蔬菜能比目前官方说的每天吃三份蔬菜及两份水果更有效地预防疾病 Is five a day enough? 每天吃三份蔬菜及两份水果就足够了吗？ The government says yes - but people should eat at least five portions of fruit and vegetables a day. The advice is based on World Health Organization guidelines, which are 25 years old. 官方回答是足够的，但是人每天应该吃至少五种水果或蔬菜。该建议是基于世界卫生组织二十五年来的标准。 Dietitians say eating five a day is enough to get the protective benefits of fruit and veg - although eating more may be additionally beneficial. 营养师说，尽管吃的更多可能会更有益，但是三份蔬菜及两份水果已经足够得到水果和蔬菜中的防护效益。 What counts as a portion? 最重要的部分？ For an adult, a minimum of 400g of fruit and veg should be eaten every day, or five portions of 80g. | 
