If you wear a running watch, you might have noticed a function that estimates your VO2 max score. If your running is in a good place, you might have seen this number rise over the past few months or ...

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 ...

Your VO2 max—a measure of strength—can tell you a lot about how you’re aging. Here’s how to calculate it without going to a ...