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.

When a patient is receiving supplemental oxygen during surgery, there’s a risk that they’ll develop hyperoxia, where their arterial blood becomes oxygenated above normal levels, potentially leading to ...

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 ...