The level of oxygen in airline passengers' bodies can drop to critically low levels during flight, observed a team of Northern Ireland researchers. As part of the study, researchers measured the ...

Obstructive sleep apnea (OSA) harms brain function due to interrupted sleep and reduced oxygen levels while you’re sleeping. Several ways in which OSA affects the brain include an increased risk of ...

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 of ...