Introduction to Sedentary Behaviour Epidemiology -- Measurement of Sedentary Behaviour in Population Studies -- Analysis and Interpretation of Sedentary Behaviour Data -- The Descriptive Epidemiology of Sedentary Behaviour -- Physiologic Responses to Sedentary Behaviour -- Sedentary Behaviour and Adiposity -- Non-Exercise Activity Thermogenesis (NEAT) and Adiposity -- Sedentary Behaviour, Diabetes, and the Metabolic Syndrome --  Sedentary Behaviour and Cardiovascular Disease -- Sedentary Behaviour and Cancer -- Sedentary Behaviour and Depression --  Sedentary Behaviour and Psychosocial Health across the Life Course. Sedentary Behaviour and Aging -- Sedentary Behaviour and Mortality -- Models for Understanding Sedentary Behaviour -- Sedentary Behaviour at the Individual Level: Correlates, Theories, and Interventions -- Specific Interventions Targeting Sedentary Behaviour in Children and Adolescents -- Workplace Programs Aimed at Limiting Occupational Sitting -- Approaches to Decrease Sedentary Behaviour Among the Elderly -- Interventions Directed at Reducing Sedentary Behaviour in Persons with Pre-existing Disease or Disability -- Specific Approaches to Reduce Sedentary Behaviour in Overweight and Obese People -- Programs Targeting Sedentary Behaviour Among Ethnic Minorities and Immigrants -- Sedentary Behaviour at the Community Level: Correlates, Theories, and Interventions -- Sedentary Behaviour and the Social and Physical Environment -- Targeting Sedentary Behaviour at the Policy Level -- Dynamics of Sedentary Behaviours and Systems-Based Approach: Future Challenges and Opportunities in the Life Course Epidemiology of Sedentary Behaviours -- Genetics of Sedentariness -- Limitations in Sedentary Behaviour Research and Future Research Needs.