Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

The oxygen we need to live makes up about 21% of our atmosphere, but it wasn’t always so. For its first 2⅟₂ billion years, Earth’s atmosphere had no oxygen. Then, with the advent of organisms capable ...

Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.

Breathing is a crucial biological function essential for survival and various bodily processes. It occurs involuntarily, ...

Children were hospitalized most commonly due to respiratory syncytial virus (RSV) compared with influenza and COVID-19 during a season with respiratory pathogen cocirculation. Among younger children ...

Maintaining targeted oxygen support at 90%-96% did not significantly increase supplemental oxygen–free days for approximately 1 month but safely reduced the use of supplemental oxygen without ...

Your baby gets all of its oxygen from you while you are pregnant. A lot of parents-to-be don't fully understand how smoking ...