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 ...

Many also suggest that high-intensity or prolonged aerobic exercise puts too much stress on your body and causes your ...

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

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

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

From personal experiences to injury to patient success stories, exercise never figured prominently in these doctors’ practice ...

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

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 ...

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.