This cluster of papers focuses on the efficacy and safety of cholesterol-lowering treatments, particularly statins, in the prevention and management of cardiovascular diseases. It includes meta-analyses, clinical trials, guidelines, and genetic studies related to LDL cholesterol, atherosclerotic cardiovascular risk, hypercholesterolemia, and the role of C-reactive protein. The cluster also explores the impact of statins on various patient populations and their pleiotropic effects.