Healing properties of saunas have been already proved. In sauna the blood vessels are dilated and warmed blood delivers heat to the internal organs of the body. This ensures that all chemical reactions in the body faster. Moreover, metabolism increases, harmful products stand out through the pores of the skin facilitating the work of the kidneys and other organs, clogged pores are cleaned, i.e. skin becomes younger. Even very old people feel a fit of energy after visiting the...