What is the primary benefit of taking statins, according to the information provided?

The primary benefit of taking statins is that they help lower your LDL (low-density lipoprotein) cholesterol levels. Elevated LDL cholesterol is a significant risk factor for cardiovascular diseases, such as heart attacks and strokes. Statins work by inhibiting an enzyme in the liver that is responsible for producing cholesterol, leading to reduced levels of LDL cholesterol in the bloodstream. Lowering LDL cholesterol not only helps prevent the development of arteriosclerosis (hardening of the arteries) but also has been shown to reduce the risk of cardiovascular events significantly.

In contrast, improving overall health encompasses a broader range of effects, not specifically tied to the primary mechanism of statins. Lowering HDL (high-density lipoprotein) cholesterol would be counterproductive, as HDL is often referred to as "good" cholesterol because it helps remove other forms of cholesterol from the bloodstream. While improved heart function can be a secondary benefit associated with lower LDL levels, it is not the primary focus of statin therapy. Thus, the most accurate answer regarding the primary benefit of statins is that they specifically target the reduction of LDL cholesterol levels.