A February 2016 study of men by the University of Eastern Finland said those having a sauna 4-7 times each week were 66% less likely to be diagnosed with dementia than those taking a sauna once each week.
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sauna
A January 2018 study by the University of Eastern Finland said taking a sauna bath of 30 minutes reduces blood pressure and increases vascular compliance, while also increasing heart rate similarly to medium-intensity exercise.