2.5 billion. No, it's not how old the Earth is. It's the average amount of times the heart beats in a lifetime, according to the American Heart Association. A quick review on this important organ: The ...

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.

Heart rate monitors have become popular running devices, but how much do we truly understand about the data they provide? We know that our heart rates elevate from their baseline – known as resting ...

There are many tools available to check your heart rate, but if you don’t have one, you can still obtain an accurate reading using your pulse and counting in your head or using a stopwatch or timer.

If you’ve ever bolted awake from a nightmare with your heart beating like a frenzied drum, you already know that sleep and rest are not the same. Which is why it should make sense that neither are ...

We may earn a commission if you make a purchase through one of our links. McClatchy newsrooms were not involved in the creation of this content. As you grow older, your health issues can increase, and ...

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.

Even though I prefer not to train and coach by heart rate, I have found that using these numbers—specifically resting heart rate values—can be a great tool for assessing recovery and how the body is ...

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 ...

Whether brought on by stress, physical activity, or an extra cup of joe in the morning, most of us have all felt our heart rate quicken at one time or another. However, a lower resting heart rate ...

A heart rate that averages above 100 beats per minute is called tachycardia. You can develop a high heart rate because of ...