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1/09/2026

Topic Reading-Vol.5008-1/9/2026

Dear MEL Topic Readers, 
Do saunas really boost your health?
Our bodies try to keep core temperature stable, usually between 36.5 °C and 37 °C, and most of us feel comfortable in an indoor temperature range between 20 °C and 24 °C.  Yet some people love to take a dry sauna, whose temperature goes over 70°C, or a steam sauna at over 40°C with 100% humidity to feel looser or more relaxed. Conversely, others jump into icy water in winter to feel the painful cold, which boosts heart rate and blood pressure and surges stress hormones like adrenaline. While both extreme temperature pressures seem to enhance mental health and wellness, do they actually improve physical health, such as the immune system, metabolism, or cardiovascular functions?
Read the article and learn what hot sauna and cold swimming do to your health.

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