Oxygen is among the most frequently administered medical therapies, with a level that is commonly adjusted according to the reading on a pulse oximeter that measures patients’ oxygen saturation.

The technique sounds so outlandish that it won an IgNobel prize in 2024. But the science behind rescuing people with blocked airways and clogged lungs by rectally delivering oxygen to the body is no ...

The fingertip device that measures a person's blood oxygen saturation level can give Black people false readings more frequently than white people, a recent study found. The findings were noted in a ...