"Although absolute differences in readings were small, they can result in substantially higher rates of false negatives and ...

Largest study on this topic suggests that measurement errors lead to potential delays in care and contribute to health ...

Maintaining a healthy blood oxygen saturation level, often referred to as SPO2 (or SpO2), is crucial for blood circulation of your body. SPO2 measures the amount of oxygen in your bloodstream, and ...

is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience reporting on wearables, health tech, and more. Before coming to The Verge, she worked for Gizmodo ...