Understanding Coronary Artery Disease (CAD): The Most Common Form of Heart Disease
Introduction The heart is one of the hardest-working organs in the human body. Every second of every day, it pumps blood throughout the body, delivering oxygen and nutrients that keep cells alive. To perform this demanding job, the heart itself requires a constant supply of oxygen-rich blood. This blood supply is delivered through special blood vessels called coronary arteries . When these arteries become narrowed or blocked, the heart cannot receive enough oxygen. This condition is known as Coronary Artery Disease (CAD) . Coronary artery disease is the most common type of heart disease and is one of the leading causes of death worldwide. It develops slowly over many years and may not cause noticeable symptoms until significant damage has occurred. The good news is that CAD can often be prevented, slowed, and effectively managed through lifestyle changes, medications, and medical procedures. This article explains coronary artery disease in simple language, including what causes it...