If your oxygen saturation level drops below 92%, seek medical help right away. A dangerously low oxygen level can make you ...

What happens inside your body when you're tired, out of breath, or oxygen-deprived? A new study by researchers at the University of Portsmouth and University College London (UCL) has mapped how ...

Elizabeth Cooney is a cardiovascular disease reporter at STAT, covering heart, stroke, and metabolic conditions. You can reach Liz on Signal at LizC.22. Oxygen is the breath of life, right? Because it ...