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

Our heart works every second, pumping blood around the body, and carrying oxygen and nutrients to every organ and muscle. We must adopt healthy practices to keep the heart healthy and well-functioning ...

Wearables now flag everything from irregular heartbeats to dips in blood oxygen, but the data is only as useful as a person's ...

Scientists have identified a gut microbe that appears to be associated with stronger muscles and better fitness, with levels ...

As a new study claims we should do 560 to 610 minutes of weekly exercise to cut heart attack risk, our writer bravely takes ...

At over 7,000 feet above sea level, running in the Upper Roaring Fork Valley can pose a significant challenge for those used ...

This article was originally published by The Conversation in 2018 and is being republished amid concerns over the England ...

Exercise generally falls into one of two categories—aerobic or anaerobic—and if your goal is simply to improve your physical fitness, you could probably get by for a while without ever knowing the ...

If your goal is to improve health and fitness, both work, but rather than picking one over the other, think of them as ...

VO₂ max may sound like something out of chemistry class, but it's actually an important component of living a long, healthy ...

Roughly one in five sudden cardiac deaths overall occur during or immediately after physical exertion, underscoring ...

Scientists say it is important to find ways to exercise when temperatures soar to protect your long-term health. Here's how you can keep going when things hot up.