Get to know the link between your effort level and your heart rate. Plus, how to use heart rate to your performance advantage ...

My heart rate variability (HRV) on my heart rate tracker has ranged from 12-14 ms for years now. I read that this means ...

I'm a 64-year-old male who is in decent health.

Running 26.2 miles places significant physiological stress on the body.

Heart disease remains a leading cause of death, with many heart attacks preceded by subtle, often overlooked symptoms like ...

Runners, cyclists and gym-goers with wearable fitness trackers are no doubt familiar with the five "heart rate" zones.

Is your heart functioning properly? There is a test which can measure this, which is often recommended by medical professionals. Ejection fraction (EF) is a measurement, expressed as a percentage, of ...

My heart rate variability (HRV) on my heart rate tracker has ranged from 12-14 ms for years now. I read that this means ...

It's great when a new technology like WHOOP can be life saving, but it's not the be-all, end-all when it comes to health and ...

Learn when hypertrophic cardiomyopathy becomes severe and how a cardiologist guides you through heart transplant evaluation ...

For decades, surviving a heart attack has come with a lifelong prescription: Stay on medications called beta-blockers to help protect your heart. But doctors are taking a closer look at whether ...