The radiant heat from your Far Infrared Sauna surrounds you and penetrates deeply into your joints, muscles and tissues,
speeding oxygen flow and increasing circulation.
Current testing requires a series of methods including a spirometry test, which measures the amount (volume) and the
speed (
flow) of air during breathing, followed by a body plethysmography test measuring static lung volumes and airways resistance and finally a diffusion test, which measures the amount of
oxygen and other gases that cross the lungs» air sacs.