Investment in medical oxygen systems could save millions of lives by filling gaps in oxygen access for more than half the world's population and boosting pandemic preparedness, says a report published ...

oxygen bars ... of 40% oxygen that is delivered through a mask worn over the face. Proponents of this oxygen "therapy" say it boosts energy levels, increases your endurance during exercise ...

A pilot has revealed the important reason why passengers need to pull on their oxygen masks before putting them on in the event of an in-flight emergency ...

Normal levels are between 95% and 100% ... You may get it through a tube called a nasal cannula or a face mask. You could need round-the-clock oxygen. But small amounts might be enough if you ...

Earth's atmosphere is 20 percent oxygen and 80 percent nitrogen from sea level to about 75 miles up ... of oxygen so small that pressure oxygen masks no longer do the job. Above the 63,000 ...