Table of contents : Contents 1. What Is Aging, and Why Do We Get Old? 2. The Why of Aging, or Evolutionary Explanations for Why We Grow Old 3. The How of Aging 4. Skin 5. Muscles 6. Skeleton 7. Cardiovascular System 8. The Brain and Cognitive Decline 9. Interventions Part 1: Actions You Can Take 10. Interventions Part 2: Drugs and Supplements You Can Take Notes Bibliography Index About the Author