The heart muscle needs oxygen-rich blood to do its job. The vessels that feed the heart are called coronary arteries (shown in the diagram right) and they branch off from the body’s main artery, the ...

Coronary artery disease, CAD, is a condition where the arteries that supply blood to the heart muscle become clogged and narrow, making it difficult for blood and oxygen to reach the muscles of ...

By contrast, the Maasai of Africa have almost no heart disease. As the degree of coronary artery disease progresses, there may be near-complete obstruction of the lumen of the coronary artery ...

Heart disease isn't always obvious, and sometimes you have little to no warning leading up to a catastrophic event.

CAD also frequently leads to heart failure. Coronary artery disease is the most common cause of death in the United States. The atherosclerotic process in the coronary arteries may be clinically ...