Rice, who ran a world record in the marathon in the 75-79 age group last year, has an incredibly high V02 max.

In TODAY.com's Expert Tip of the Day, a cardiologist explains how to slow down a racing heart in times of stress.

There are many tools available to check your heart rate, but if you don’t have one, you can still obtain an accurate reading using your pulse and counting in your head or using a stopwatch or timer.

In TODAY.com's Expert Tip of the Day, a cardiologist explains why a lower resting heart rate can be a good sign of heart ...

A heart rate that averages above 100 beats per minute is called tachycardia. You can develop a high heart rate because of ...

Ray Stevens has made a difficult decision after the country music legend suffered a heart attack last month. The Country Music Hall of Fame inductee said Monday that he is selling his West ...

You might look slim on the outside, but hidden fat deep inside your body could be silently ageing your heart. This invisible threat—called visceral fat—wraps around your organs and speeds up heart ...

A series of low heart rate alerts on her Apple Watch prompted a woman to get treatment — and discover she had an undiagnosed brain tumor that now needs constant monitoring. Apple Watch has an ECG app, ...

Greater flamingoes flock in the Camargue region of France © Ondrej Prosicky via Shutterstock Despite the uniform appearance of pink flamingo flocks, individuals live ...

The hot seat may have gotten Huda Mustafa's heart racing. During the Love Island USA season seven reunion, out on Peacock Aug. 25, viewers got to see never-before-seen footage of the controversial ...