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

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.

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

The Chesapeake Bay saw oxygen levels hit record lows this summer. That’s according to the hypoxia measurement, which is performed twice a month. Hypoxia happens when water has less than 2 mg/l ...

Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain's small blood ...