EXPERIENCE THE INFRARED SAUNA HEALTH BENEFITS Over the past 25 years, extensive research has been done by scientists world-wide, including NASA, on the following therapeutic benefits of infrared saunas: WEIGHT LOSS . . . In the infrared saunas, your heart rate, cardiac output and metabolic rate increase to improve your overall cardiovascular fitness. You can burn 600 or more calories in just one 30 minute session . You lose weight - not just water. One can receive the "training effect" while reading and relaxing in the infrared sauna. NASA concluded infrared "passive exercise" was the ideal way to keep astronauts fit during space flight.