E.E. van der Wall

low-temperature sauna visits) improves myocardial ischemia due to chronic total occlusion of a coronary artery in asso-ciation with improvement of vascular endothelial function [7]. For patients with congestive heart failure, sauna bath-ing under moderate and supervised conditions appears to be well tolerated and may be safe [8]. Repeated sauna therapy in patients with chronic heart failure improves exercise toler-ance together with improvement in endothelial function [9] and reduced occurrence of ventricular arrhythmias [10]. As a rule of thumb, if a person can walk into a sauna, he or she can walk out of it [1]. Recent research published in the February 2015 issue of JAMA Internal Medicine evaluated the cardiovascular effects of sauna bathing by performing a large prospec-tive study in male sauna bathers [11]. Generally, the stud