Your heart is a muscular organ that helps circulate your blood, which delivers oxygen and nutrients to your tissues. There are four chambers and four valves in your heart, and each ensures proper ...

A new gene therapy can reverse the effects of heart failure and restore heart function in a large animal model. The therapy increases the amount of blood the heart can pump and dramatically improves ...

A naturally occurring fat molecule reduced heart inflammation and scarring caused by diabetes, thereby improving cardiac function, according to new research. The findings open the door to developing a ...

In diseased hearts, low-dose radiation therapy appears to improve heart function. Cardiologists and radiation oncologists at Washington University School of Medicine in St. Louis pioneered the use of ...

When the heart struggles to pump efficiently, a cascade of events unfolds. Fluid accumulates in the lungs and extremities. Breathing becomes labored. Simple activities like climbing stairs or carrying ...