Saunas are not just for relaxation

Speaking of saunas, many people may think of leisure and entertainment places such as bathing centers, or the negotiation scenes in movies, which seem to have little to do with healthy living. While it is true that saunas, originating in Finland, are traditionally used for recreation and relaxation, in recent years there has been a growing body of new evidence that saunas have many potential health benefits.

In terms of effect, saunas are actually very close to moderate-to-low-intensity aerobic exercise. When we are exercising, the core temperature of the body will increase, and the sauna can also increase the core temperature of the body through the effect of a short-term high temperature environment (80-100 ° C), and through this thermal stimulation, the body will produce some Lists healthy metabolic responses, such as promoting cardiovascular and cerebrovascular health, boosting metabolism, improving endurance performance, improving neurocognitive function, relieving anxiety, and more.

01 Thermal adaptation effect of sauna

Traditionally, Finnish saunas raise the ambient temperature by heating wood-panelled rooms by burning wood fires. Today, most modern saunas are heated by electric heaters, allowing the indoor temperature to be better controlled within the optimal range of 80-90°C. In recent years, there have also been some saunas that use far-infrared heaters. The operating temperature is usually around 45 to 60°C, and the body can be heated directly by thermal radiation.

Saunas can be dry or wet. The humidity of the dry steam room is usually 10-20%. Some sauna rooms can increase the humidity on the heated stones by sprinkling water. The sound of "Zizi" is also very atmospheric. The humidity of the steam room is usually above 50%, the sweat evaporates less, and it is easier to feel hot and "hard" subjectively. Therefore, it is generally recommended to start from dry steaming to adapt to the high temperature environment of the sauna.
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