Sauna Therapy

Saunas raise environmental heat load and prompt thermoregulatory responses such as skin blood-flow changes and sweating. Traditional saunas heat the air, while infrared systems use radiant energy and often operate at different air temperatures. These formats should not be assumed to create identical exposure merely because both feel warm.

Temperature, humidity, session length, posture, hydration, acclimatization, medication, cardiovascular status, and individual heat tolerance all shape the physiological response. Heart rate may rise even though the person is not exercising. Sweating changes fluid balance but is not a general measure of toxins leaving the body, and the amount of sweat does not indicate the quality of a session.

Heat exposure is often discussed in recovery settings, but recovery is multi-dimensional and also includes sleep, nutrition, workload, symptoms, and time. People who are pregnant, acutely ill, prone to fainting, taking certain medications, or living with particular cardiovascular conditions may require specific clinical guidance. This definition does not provide a heat protocol or personal recommendation.

Core temperature and skin temperature are different measurements, and perceived heat does not map perfectly to either. Humid air can limit evaporative cooling, while radiant heat changes energy transfer without requiring the same air temperature. These distinctions help explain why equal thermometer readings can feel and act unlike one another across sauna formats.

Related Previvo services: Sauna, Cold Plunge & Red Light Winnipeg | Previvo.