Covid-19 made pulse oximeters an even more important tool for measuring the amount of oxygen in the bloodstream than they had been before. Widely used in hospitals and health systems, these small ...

Apple's new Apple Watch Series 6 goes all-in on health care, including a new feature to measure blood oxygen level-- a vital sign that's been helpful monitoring COVID-19, among other things. Other ...

Pulse oximeters used to test blood oxygen levels, an increasingly common precaution during the COVID-19 pandemic, may be giving a false sense of security according to an FDA warning. One of the ...

Each week we answer some of your pressing questions about the coronavirus and how to stay safe. Email us your questions at goatsandsoda@npr.org with the subject line: "Weekly Coronavirus Questions." ...