Do you ever have your heart suddenly pound, race, or feel like it skipped a beat out of nowhere? I remember the first time it ...

A normal resting heart rate is anywhere between 60 and 100 beats per minute, according to the Mayo Clinic. But during a heart attack, that rate is altered due to disrupted blood flow. An abnormal ...

The heart beats around 100,000 times a day, yet most people rarely think about how fast, or how efficiently it’s working, ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...