The human heart is an extraordinary organ, responsible for tirelessly pumping blood to deliver oxygen and nutrients to every part of the body. Its rhythm—heart rate—is an essential vital sign checked ...

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 ...

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 health and how to improve this vital sign. Resting heart rate — the number of ...

Your pulse is like having a direct line to your heart’s control room, constantly broadcasting information about your cardiovascular health that most people never bother to decode. While everyone knows ...

Your heart is always active, but it is resting when you are calm and sitting. During this position, it beats at a slow rate, ...

Q: I love this site! I've been training with a Heart Rate Monitor and have a question about racing. How do you determine a good heart rate zone for racing? I've heard that on race day your HR will be ...

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding my work at Lifehacker as a preferred source. When the Powerbeats Pro 2 came ...

Sherri Gordon, CLC is a certified professional life coach, author, and journalist covering health and wellness, social issues, parenting, and mental health. She also has a certificate of completion ...

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding my work at Lifehacker as a preferred source. Just tap the Workout tab, check ...