This book focuses on both high-density lipoproteins (HDL) metabolism and related diseases from the perspectives of the world-class experts in HDL. Several chapters in this book provide the overall information about HDL metabolism via detailed discussion of HDL structures as well as several key molecules involved in its functions, such as SR-B1 and Cholesteryl Ester Transfer Protein Inhibitors and so on. The rest of this book illustrates the connection between HDL and several diseases that are the major concerns of people's health in many countries, and devotes to exploring the therapies of HDL related diseases. With a better understanding of the HDL metabolism and diseases, this book will benefit the audiences with interest in HDL from biomedicine to clinical practice.