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 ...

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

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 ...

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 ...

You're curled up on the couch, finally relaxing after a long day when suddenly, your heart starts racing. You're obviously not exercising and you don't think you're stressed, so why does it feel like ...

“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 ...

Giving adrenaline to hospital patients whose heart has stopped is very effective, and can increase the chance of bringing ...