The human heart, a fist-sized muscle, tirelessly beats billions of times throughout life, powering every cell by delivering oxygen and removing waste. Its rate varies significantly from birth to old ...

Celine Dion sings that "my heart will go on," but how many times does it actually beat in a day or even a lifetime? When you purchase through links on our site, we may earn an affiliate commission.

Heart rate is one of the most powerful—and underestimated—indicators of your cardiovascular health. Understanding how it changes with age can help you make better choices to protect your heart.

I receive a lot of emails from readers, which are wide-ranging in topic. Sometimes they're from readers who agree with me while others take issue with what I’ve written. Some ask provocative questions ...

A normal heart rate is between 60 to 100 beats per minute (BPM), but it can vary by person. A heart rate slower than 60 BPM can be a sign of anything from a high fitness level to hypothyroidism. A ...

Atrial fibrillation (AFib) is a heart condition characterized by an irregular and often rapid heartbeat. However, some individuals may experience a standard heart rate without medication, depending on ...

The heart beats around 100,000 times a day, yet most people rarely think about how fast, or how efficiently it’s working, according to study published in the US. Heart rate isn’t just a number ...

“It is likely that this notion that we are born with a fixed number of heartbeats comes from early physiological observations across mammalian species where scientists noticed that smaller animals ...

Highly active people, particularly endurance athletes, often have lower resting heart rates than others, below 60 beats per minute. This is because aerobic exercise strengthens the heart, allowing it ...