Coronary Artery Disease (CAD) is one of the most common heart problems, affecting millions of people worldwide. It happens when the arteries that carry blood to the heart become narrow or blocked by a sticky substance called plaque. Plaque is made of cholesterol, fats, and other materials. When blood can’t flow freely to the heart, it can lead to serious issues like a heart attack. One major warning sign of CAD is chest pain, also called angina. Knowing what this