1 Medical University of Gdańsk, Dębinki 1, 80-811 Gdańsk, Poland 2 Department of Physiology, Jędrzej Śniadecki Academy of Physical Education, Gdańsk, Poland
This work analyzes the influence of air-ions of different types and concentrations on people subjected
to physical effort and at rest. The outcome of the conducted research indicates that air-ions at a concentration
level of 7.5 million ions/cm3 decrease the consumption of O2 by around 20%, and release CO2. Furthermore,
the positive air-ions shorten the period necessary to achieve the anaerobic change threshold by almost 70%, at
a high significance ratio of 0.001. A secondary research outcome also shows that the change of these physiological
indicators probably results from the permeation of ionized molecules to the lower parts of human lungs.
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