A new sensor could soon allow hospital patients' blood oxygen levels to be checked via their breath. The technology is claimed to be more reliable and less painful than existing traditional methods.

Monitoring your blood oxygen levels may not seem as exciting as step counting or be as obvious in its benefits as something like sleep tracking, but it's still a useful option for managing your health ...

The most-commonly used blood sensing pulse oximeters routinely fail at accurately registering blood oxygen levels for people with Black and brown skin. Reading time: Reading time 3 minutes A new class ...