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The benefits of learning another language aren’t limited to just getting by in another tongue. They may also extend to a host of hidden cognitive benefits that could protect your brain in the case of a serious health episode such as a stroke or dementia, according to a new study. 学习其他语种的好处不仅仅局限于会说几句外语，其实还可能有一系列认知方面的好处尚不为人知。一项新的研究称，如遇中风和痴呆等严重的健康威胁，外语学习的认知利益可以保护大脑。 Researchers from the UK and India gathered data from 608 stroke patients in Hyderabad, India, and found that people who speak more than one language have a greater chance to recover from a stroke than monolingual people. 来自英国和印度的研究人员收集了印度海得拉巴608名中风病人的数据，发现比起仅懂一种语言的人，说不止一门语言者患中风后康复的几率更大。 Bilingual people and those who speak more than two languages are said to be twice as likely to have normal cognitive functions after a stroke as monolingual people, even after taking into account other factors such as smoking, high blood pressure, diabetes and age. 据悉，比起说一门语言的人，说两门及超过两门语言者在中风后能恢复正常认知水平的概率是前者的两倍，即便把抽烟、高血压、糖尿病和年纪等因素考虑在内亦是如此。 | 
