Proactive methods, such as frequent cleaning, sanitizing, and controlling humidity levels within the advised 30–50 % range, can maintain healthy indoor ... water vapor and oxygen after use ...

Healthy individuals take in approximately 21% oxygen from the air they breathe, says Boyer. At that level, blood is almost completely (99%) saturated, meaning there is no need for additional oxygen.

Discover how a brief daily airing can curb moisture and pollutants, while helping prevent respiratory complications even in ...