Smart rings are the wearable everyone’s switching to, and we’ve tested the lot to find the best smart rings actually worth wearing.

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

VO2 max, the measure of how much oxygen the body consumes during exercise, has become a ubiquitous tool for professional ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give ...

Second week of January. Year of the Horse. Back in the saddle. As I point my GPS toward a familiar constellation of pursuits, ...

Oura is the most "ring-like" of the bunch, compared to a traditional jewelry ring. The current model just as a small indent ...

Your Oura Ring can automatically detect housework using its Auto Activity Detection feature (AAD), which tracks 24/7 — plus ...

This large prospective UK study compared five low-cost fingertip pulse oximeters with arterial blood gas measurements and ...