The traditional electric heater is only a kind of near-infrared radiation, which can't penetrate deep into the blood, regulate endocrine circulation, raise the external local temperature, and easily damage the skin, but you can't feel thirsty in your mouth. The body is actually short of water.
Far infrared rays can penetrate deep into human subcutaneous tissue, open sweat gland tissue and adjust human water balance. After steaming, people will continue to replenish water, and the body will naturally not get angry.
There are related articles and links in Zheng Shufu's blog, so you can have a look.