A racing heart is usually a sign of agitation or excitement. But if it's not unusual for your heart to beat too fast or to skip a beat, it might be worth having it checked out by a doctor. In order to ...

It is very simple and easy to check your heart rate, which helps track not only your fitness levels but also manage any ongoing health issues like diabetes or high blood pressure. It also makes you ...

Heart rate is one of the most powerful—and underestimated—indicators of your cardiovascular health. Understanding how it ...

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 ...

This secret to improving your cardiovascular health and endurance: zone 2 heart rate training. Zone 2 cardio rate training means working in one of five heart rate zones at 60-70% of your max heart ...

Several apps leverage the camera on your smartphone to measure your heart rate. One such method involves using the front-facing camera to detect subtle changes in skin color, which correlate with ...

“At a cardiac arrest, the first procedure is to take your own pulse first.” —The House of God by Samuel Shem That famous line told to med students is both obvious and true. It’s a reminder that in ...

You’re familiar with the feeling of your heart pounding in your chest, your blood pulsing through your veins with increasing frequency when you’re scared, stressed, or sweating it out at the gym.

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 ...