When I go for a walk or to the gym, people always seem to be checking their pulse, whether by hand or with a wearable. Why is heart rate so important? ANSWER: Your heart rate, or pulse, is the number ...

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 ...

In addition to the effects on red blood cells, endurance exercise leads to other mechanisms that help the heart become stronger and more efficient, therefore lowering resting heart rate, says Tamanna ...

A cardiologist explains why resting heart rate is one of the simplest yet most powerful indicators of heart fitness. The article breaks down what a healthy range looks like, what a high resting heart ...

From Apple Watches to Fitbits to treadmills, there are more ways than ever for people to keep up with their vitals. So why does so much fitness tech check your pulse? Because your resting heart rate ...