Ancient tradition and modern technology unite for your health, wellbeing, and relaxation in modern infrared saunas. Sauna bathing likely started when prehistoric northern Europeans discovered the comfort of small caverns intensely heated by geothermal sources. The practice still flourishes around the world, from Scandinavia to Japan, typically using hot rocks with the option of adding water for higher humidity. Modern saunas offer an alternative heat source – far infrared radiation, a narrow, safe band of long light wavelengths outside the...