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

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.

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?

Some people with heart failure need to take multiple medicines each day to keep their symptoms under control. Heart failure is a chronic, or long-term, condition. It can lead to issues not only in the ...

As your exercise session becomes more intense and more work is done, your heart beats faster and faster. This relationship means you can use heart rate as a surrogate measure for the intensity of ...

A leaky heart valve occurs when a heart valve doesn’t close properly, allowing blood to flow backward. During pregnancy, this condition can affect circulation and increase strain on your heart. A ...