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Scientists at the University of East Finland followed more than 2,000 middle-aged men for 20 years to find out what factors influenced how many developed cognitive problems in later life. 东芬兰大学研究人员对2000多名中年男子进行了长达20年的跟踪调查研究，以探明哪些因素会对他们晚年的认知问题产生影响。 They found that those who used the sauna between four and seven times a week were 66 per cent less likely to be diagnosed with dementia during the study period compared with those taking a sauna just once a week or less. 他们在研究期间发现，相比每周只蒸1次桑拿甚至频率更低的人，每周蒸4—7次桑拿的人被诊断患上痴呆症的几率会降低66%。 | 
