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 ...

Dr. Paul Friedman answers the question: 'Heart Block versus Artery Blockage?' — -- Question: I have been diagnosed with heart block. How does this differ from blockage in one of my arteries?

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.

New research suggests that limiting sugar during pregnancy and the first two years of life can have lasting benefits for our heart health.The study, published in the British Medical Journal (BMJ), ...

The idea that physical exercise could deplete our cardiac reserve has persisted for decades, but Australian research is now ...

A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it works and how to read it.

Brain and heart often lock horns in daily life; figuratively, logic and emotion are always at odds. But in reality, your brain and heart are often in agreement with one another. These vital organs ...

PORTLAND Ore. (KPTV) - To look at Chris Wenger, she is the picture of health, at age 67, though she does have a strong family history of heart disease, but by just about every metric, she is healthy.