Spirometry

 The lung function test is the single best indicator for evaluating the overall health of the individual and can be one of the most exciting non-invasive tests. Basically, the lung function test refelcts the best bio-marker available for predicting premature aging. It reflects the integrity of the whole respitory system including the muscles, the central nervous system, and the elasticity of the body. One can live several weeks without food, a few weeks without water, but only a few minutes without oxygem! The amount of air that can be moved in one breath, and the length of time it takes to move the amount of air is directly preportinall to the overall health.