How the sauna works

Two types of heat, dry heat and damp heat, are used in the sauna. Damp heat is a high-humidity heat, typically 65%, and is commonly used in steam baths found in hot springs, which tend to operate at temperatures between 40 degrees Celsius and 50 degrees Celsius. However, the high moisture content makes them feel hotter. On the other hand, the sauna uses dry heat. The water content is less than 20% and the sauna can be heated to 100 degrees Celsius. When the humidity is low, the conditions are better than the steam bath and the breathing is easier. Others may find it a bit too dry, so you can pour some water on the stone to increase the moisture content. Some skilled saunas use infrared light for heating, and proponents of this technology say it is better because it provides direct thermal stimulation and provides deeper tissue penetration. Still, the principles are still the same. Sauna bathing is usually between 10-15 minutes and uses heat to induce perspiration.

A 10-15 minute course stimulates the release of acetylcholine from the nerve endings and then opens the sweat glands in the skin. This is a regulatory response because the body is sweating due to heat. Back. The capillaries under the skin expand, opening the pores on the skin, expelling toxins, excess oil and dirt, causing the skin to glow. It can help remove dead skin when the shower is subsequently carried out. People can release up to 1 liter of water from the sauna, so it is important to have proper hydration before entering the sauna. By sweating, the body expels toxins, which are then released through open pores on the skin.

The heat stimulates the endocrine glands that secrete endorphins, which are the hormones we feel good, which is why the sauna makes us feel good. The heart beat increases and there is no corresponding increase in blood pressure to match the elevated blood flow. Dry heat improves lung function and is beneficial for people with respiratory diseases. For people with pneumonia and other respiratory diseases, it is recommended to use damp heat because high humidity can cause difficulty breathing. Too much heat will not be better because it will damage the protective mucosa of the lungs.

Stimulated by heat, the body's metabolism accelerates the benefits to the bather, the same as gentle exercise. Sweating leads to weight loss, but there is a risk of dehydration, so weight loss programs such as diet and exercise should not be used instead. The heating effect on the muscles also relieves muscle soreness, combined with improved blood flow, a sense of soothing, reduced stress and better mobility.

How the sauna works was originally published on Spring

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