You track your VO2 max and working heart rate, but this underrated biometric may tell you more about your heart and long-term ...

Alexandria Nyembwe is a registered nurse and health writer. She has worked in street medicine serving populations experiencing homelessness in Skid Row Los Angeles as well as in cardiovascular care in ...

That little number on your fitness tracker might be more important than you realize. Your resting heart rate isn’t just some random vital sign. It’s essentially a window into how efficiently your ...

That tension becomes especially clear with heart rate zone training, a popular five-tier system that endurance athletes use to measure effort and fine-tune performance. The well-known formula is ...

Most fitness trackers offer a wealth of heart-rate data. Here’s how to make sense of it. By Talya Minsberg If you wear a smartwatch or fitness tracker, you likely already have access to a steady ...

Your heart rate can tell you a lot about your fitness and cardiovascular health. Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ...

Tracking key heart health metrics every day helps you understand how your lifestyle affects your cardiovascular system and empowers you to take proactive steps toward better heart health. Heart ...

To live is to have a heartbeat, which is why it makes sense for us living things to have a good understanding of our ticker. It’s well-known science that our hearts beat faster when we exercise and ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...