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• Title Page
• Copyright Page
• Contents
• Preface
• Acknowledgments
• Introduction
• Part I: Surveying the Evidence
• Chapter 1: Nature of Physical Activity
• Chapter 2: Physical Activity Through the Life Span
• Chapter 3: Effects of Sex
• Chapter 4: Neurochemical Models
• Chapter 5: Perturbations of Brain Function
• Chapter 6: Organized Variability
• Chapter 7: Genetic Influences
• Chapter 8: Physical Activity Play
• Part II: Rationale and Mechanisms
• Chapter 9: Activity Regulation and the Need for Energy Balance
• Chapter 10: Mechanisms for Biologic Control
• Part III: Implications of Biologic Regulation of Activity
• Chapter 11: Responses to Activity Interventions
• Chapter 12: Understanding Obesity: The Biologic Perspective
• Chapter 13: Altering the Biologic Control of Activity
• Epilogue
• References
• Index
• About the Author
• AD