The number on your fingertip clip is simpler to read than it is to interpret.

The oxygen desaturation index (ODI) is a measure of insufficient blood oxygen (low levels) during sleep. If you have a diagnostic sleep study, this measure can be one of the components in the report ...

For the average person, living at high altitude—where oxygen is sparser than at sea level—can have health benefits ranging from lower rates of heart disease to increased endurance. But for those born ...

A recent study explored one possible cause -- hyperoxia or high concentrations of oxygen given to such patients during surgery -- as opposed to doses more similar to air. The study concluded that ...