Unlock a longer, healthier life by understanding your VO2 max, a key indicator of oxygen utilization during exercise. Experts ...

By the end of a brutal race or sportive, your body has been through through the wringer. But what exactly goes on under the ...

VO2max is a measure of cardiovascular fitness, and many watches and fitness trackers can estimate it for you. Here's what you ...

Apple was at risk of having imports of all Apple Watches halted because of an ongoing legal dispute. Here’s what happened.

Research reveals how natural selection shaped the Bajau sea nomads’ spleens to boost oxygen delivery, helping them dive for ...

The urgent need for reliable alternatives to traditional blood transfusions has driven global scientific innovation for ...

We often think of exercise as something we do for our body — to lose weight, strengthen muscles, or stay fit. But what if the ...

Apple (AAPL) can continue to import its Apple Watch into the U.S. after a federal judge denied a request to block them by ...

The see-through amphibians have an amazing strategy for hiding while asleep—one that could advance our understanding of blood clotting. The organs and developing eggs of a female glass frog, ...

Slugs move oxygen throughout their bodies, as other animals do, but they do so without lungs. How is this possible?

My first visit to high altitude didn’t go well. I was at a training camp in the French Alps, and on one of our easy days my ...

Many of us with throw modesty out the window when it comes to Christmas lunch. But what do these blow-out festive meals do to ...