Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.

For those unfamiliar, VO2 max might sound like the latest performance-enhancing supplement, but it’s actually the term used to describe your body’s maximum oxygen uptake during aerobic exercise. If ...

While heart health and overall longevity is often linked with lipid profiles and metabolic capacity, one ultimate measure takes a silent shot. Emerging studies and health experts are paying closer ...