Canned oxygen promises to boost your performance at altitude. We asked a medical expert if it lives up to the hype, then put ...

Tech journalism comes with a list of perks. Hot pop-star girlfriends, sacks of cash, Hertfordshire mansions -- none of these are on that list. But I do get plenty of free tech, much of which tends to ...

Submaximal exercise testing encompasses a range of protocols in which individuals perform physical activity at intensities below their maximal capacity. These tests are designed to estimate ...