Syvänkastelua
Syvänkastelua is a Finnish term that translates to "deep soaking" or "immersion." It refers to the practice of bathing in very cold water, often in natural bodies of water like lakes or the sea, or in specially designed cold plunge pools. This practice has roots in traditional Finnish sauna culture, where alternating between extreme heat and cold is considered beneficial for health and well-being.
The core principle behind syvänkastelua is the body's reaction to sudden exposure to intensely cold temperatures.
While syvänkastelua is deeply ingrained in Finnish culture, its practice is gaining international attention as a