Heart disease is the No. 1 cause of death in the United States. These are the steps you need to take to reduce your risk.

A Kentucky researcher has solved a mystery of how the heart functions that has been unanswered for six decades. In a collaboration with the University of Massachusetts, a team used samples of donated ...

New research from Karolinska Institutet and Columbia University shows that the heart has a mini-brain - its own nervous system that controls the heartbeat. A better understanding of this system, which ...

Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed ...

The heart and kidneys are deeply interconnected, with dysfunction in one silently affecting the other. High blood pressure ...

The heart has long been thought to be controlled solely by the autonomic nervous system, which transmits signals from the brain. The heart's neural network, which is embedded in the superficial layers ...

A heart PET scan is a noninvasive imaging test that uses a small amount of radiation. It helps doctors understand how the heart functions and whether it is healthy. Cardiac or heart PET scans create ...

The heart functions as a muscle which needs continuous movement for proper operation, according to Dr. London. The heart functions like other muscles because it requires regular use, to stay strong.

Heart disease may contribute to changes in sexual function, such as reduced libido, vaginal dryness, or erectile dysfunction. However, sexual activity is safe and healthy for most people with heart ...

When someone's heart stops beating, their brain cells start dying within minutes. But sometimes, they can still come back ...