After testing countless devices for accuracy, comfort, and general value, these are the best fitness trackers I'd recommend.

Built in 2019 by Philip Nitschke, the Sarco pod – named after the sarcophagus – is a 3D-printed assisted-dying capsule. It works by replacing the oxygen ...

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

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