Frequent use of a Finnish sauna (4 to 7 times per week) is associated with a significant reduction in the long-term risk of death and cardiac events.

noli's read

This advice is based on major prospective observational cohort studies conducted in Finland, notably those led by Dr. Jari Laukkanen. This research shows a strong inverse correlation between the frequency of sauna sessions and cardiovascular or sudden cardiac mortality. While the figures are impressive, it is important to note that these studies are observational, which means they cannot prove a direct cause-and-effect relationship. Potential confounding factors exist, such as overall lifestyle or socioeconomic status, even though researchers adjust their models for these variables. Exaggeration sometimes occurs when these associations are presented as a guarantee of protection, when they actually reflect a trend observed within a specific population. The plausible biological mechanism is based on improved vascular function and reduced blood pressure, similar to the effects of moderate physical activity. In summary, science strongly supports the idea that sauna use is a beneficial practice for heart health, while remaining cautious regarding causal interpretation.

the sources

1. 1Laukkanen T, Khan H, Zaccardi F, Laukkanen JA 2015
2. 2Laukkanen T, Kunutsor SK, Zaccardi F, et al. 2018