Every year that you age, your heart shrinks and its ability to pump blood through your body decreases by up to 5 percent, a new study finds. Researchers at Johns Hopkins University analyzed MRIs ...

The heart's primary function is to pump blood to all parts of the body, bringing nutrients and oxygen to tissues and removing waste products from them. Even when our body is at rest, our tissues ...

The heart is a vital organ that pumps blood through the body, and is part of the body's circulatory system. It is capable of some seemingly amazing feats you may not be aware of. Here are seven things ...

What Is Heart Valve Disease? Heart valve disease is when one or more of your heart valves don't work the way they should. Your heart has four valves: pulmonary, tricuspid, aortic, and mitral. Your ...