Resting heart rate — the number of times your heart beats per minute when you’re sitting still — is an important vital sign. Doctors measure it to check how your body is functioning, and the number ...

Understanding your heart rate can be helpful to calibrate your perceived exertion, especially on easy and steady runs. This ...

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 ...

Sitting quietly at your desk, watching TV, or lying in bed at night, your heart should be taking it easy – beating steadily and calmly at somewhere between 60 and 80 beats per minute for most healthy ...