1. Introduction 2. The role of Cholesterol in the Body 3. The Cholesterol Biosynthesis Pathway 4. Maintaining intracellular Cholesterol Homeostasis 5. The regulation of whole body Cholesterol Metabolism 6. How does aging impact Cholesterol Metabolism? 7. Cholesterol metabolism and Cardiovascular Disease 8. Cholesterol Metabolism and Cancer 9. Cholesterol Metabolism and Alzheimer's Disease 10. Cholesterol Metabolism in the Oldest old 11. How Diet and Alcohol influences Cholesterol Metabolism 12. Computational Models of Cholesterol metabolism