July 11, 2016 | OxyMask™ News | “Carbon dioxide (CO2) is a gas the body naturally produces as waste. We breathe in oxygen (O2) to fuel organs and tissues and the end product is CO2. The balance between these two gases is required for a healthy body. However, when we rebreathe CO2 it can have harmful … Continue reading Harmful Effects of Rebreathing Carbon Dioxide (CO2); Effects of oxygen-deficient atmospheres; Masks are a political agenda, not a protection against CV or Flu