Origins hailing from Europe, it was created after it was observed that salt mine workers experienced less number of respiratory illnesses in comparison to the other types of mine workers. Salt sauna takes the experience one step further by infusing the normal sauna with salt. One of the most popular salt sauna is the Himalayan salt sauna which is believed to help relieve certain ailments. Medical studies have shown that salt has an outstanding positive impact on the respiratory system and alleviates dermatitis symptoms.