Medically reviewed by Steffini Stalos, DO A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s often triggered by lung or ...

Discover how a simple 30-minute daily walking routine can dramatically lower blood pressure and transform your cardiovascular health naturally.

When blood levels drop too low, your organs begin struggling to get the oxygen and nutrients they desperately need to function properly.

The seals’ ability to detect the amount of oxygen in their blood may help them make diving decisions and avoid drowning.

The drop in blood oxygen levels that occurs during a sleep apnea episode appears to be linked to degeneration of brain regions associated with memory, researchers reported Wednesday in the journal ...