Some studies claim that more than half of our harmful exposure to chlorine is due to the inhalation of steam and skin absorption while showering, with the steam containing up to 50x the chemical levels compared to drinking water, and with chlorine and most other contaminants vaporizing faster and at a lower temperature than water. In addition, inhaled chlorine gas goes directly into our blood stream, subsequently bypassing the kidneys and digestive system where it would be partly filtered out... Full Text