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 ...

In TODAY.com's Expert Tip of the Day, a cardiologist explains how to slow down a racing heart in times of stress.

If you’ve noticed your heart beating faster than usual even when you’re resting you may be searching for ways to slow it down. In general, a lower resting heart rate is seen as ideal and this can be ...

Medically reviewed by Jeffrey S. Lander, MD Key Takeaways Measuring your heart rate at home is easy without needing devices, but they are available. Some are more accurate than others.Typically, the ...

Checking your heart rate is a great way to stay in tune with your body. Maybe you have a device that counts your heartbeats per minute for you (and many modern fitness trackers and smartwatches are ...