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.

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.

Vital signs, those fluorescent green numbers that beep, ding, and dash across black screens on the monitors in hospital rooms, have become a new source of angst during the coronavirus pandemic. One of ...

The very air we breathe, composed of approximately 21% oxygen, is the lifeblood of our planet. It sustains everything from microscopic organisms to towering redwoods and, of course, humanity. But what ...

The study will take place over four months, including eight weeks, where participants will eat a weight loss diet and sleep 8 hours per night in an oxygen tent, also called an altitude tent, which ...