The study did not find evidence to support the idea that vigorous exercise with a mask could compromise oxygen uptake or increase rebreathing of carbon dioxide, which could lead to a condition in which carbon dioxide displaces oxygen in the blood.
The study did not find evidence to support the idea that vigorous exercise with a mask could compromise oxygen uptake or increase rebreathing of carbon dioxide, which could lead to a condition in which carbon dioxide displaces oxygen in the blood.
