History, Definitions, and PrevalenceObesity Has Always Been with Us: An Historical Introduction; George A. BrayMeasurement of Total Adiposity, Regional Fat Depots, and Ectopic Fat; Steven B. Heymsfield, Houchun Harry Hu, ZiMian Wang, Wei Shen, and Ye JinAnthropometric Indicators in Relation to the Gold Standards; Peter T. KatzmarzykWorldwide Prevalence of Obesity in Adults; Jacob C. SeidellPrevalence and Consequences of Pediatric Obesity; Nazrat M. Mirza and Jack A. YanovskiObesity in Older Adults in the United States; Tala H.I. Fakhouri, Brian K. Kit, Margaret D. Carroll, Katherine M. Flegal, and Cynthia L. OgdenGender, Ethnic, and Geographic Variation in Adiposity; Timothy Olds and Carol MaherBiological Determinants of ObesityGenetic Component to Obesity: Evidence from Genetic Epidemiology; Louis Pérusse, Treva K. Rice, and Claude BouchardGenes and the Predisposition to Obesity; Marcel den Hoed and Ruth J. F. LoosEpigenetic Mechanisms in Obesity; Robert A. WaterlandFetal and Early Postnatal Life Determinants of Adiposity; Felicia M. Low, Peter D. Gluckman, and Mark A. HansonAnimal Models of Obesity: Perspectives on Evolution of Strategies for Their Development and Analysis of Their Phenotypes; Heike Münzberg, Tara M. Henagan, and Thomas W. GettysAnimal Models of Obesity: Nonhuman Primates; Barbara C. HansenCNS Regulation of Energy Balance; Hans-Rudolf Berthoud and Barry E. LevinGastrointestinal Regulation of Energy Balance; Timo D. Müller, Kristy Heppner, Chun-Xia Yi, Paul T. Pfluger, and Matthias H. TschöpGut Microbiome and Obesity; Patrice D. CaniSympathetic Nervous System and Endocrine Determinants of Energy Balance; Hamid R. Farshchi and Ian A. MacdonaldInsulin Resistance and Obesity; Charmaine S. Tam, Morvarid Kabir, Richard N. Bergman, and Eric RavussinWhite and Brown Adipose Tissue Development; Meghan E. McDonald and Stephen R. FarmerAdipose Tissue Metabolism, Adipokines, and Obesity; Dominique Langin and Max LafontanVisceral Adipose Tissue and Ectopic Fat Deposition; Amalia GastaldelliSkeletal Muscle Metabolism and Obesity; Jeffrey J. Brault, G. Lynis Dohm, and Joseph A. HoumardMitochondrial Bioenergetic Aspects of Obesity and Weight Loss; Mary-Ellen Harper, Robert Dent, and Ruth McPhersonResting Metabolic Rate, Thermic Effect of Food, and Obesity; Yves Schutz and Abdul G. DullooEnergy Cost of Exercise, Postexercise Metabolic Rates, and Obesity; Einat Shalev-Goldman, Trevor O’Neill, and Robert RossEnergy Partitioning, Substrate Oxidation Rates, and Obesity; Angelo Tremblay, Yves Deshaies, and Katherine CianfloneViral Infections and Adiposity; Nikhil V. Dhurandhar, Emily J. Dhurandhar, and Richard L. AtkinsonBehavioral Determinants of ObesityObesity: Influence of the Food Environment on Ingestive Behaviors; Richard D. Mattes and Sze Yen TanObesity and Related Eating Disorders; Brooke A. Bailer, Lauren E. Bradley, and Kelly C. AllisonTobacco Use, Smoking Cessation, and Obesity; Carole Clair, Semira Gonseth, Jacques Cornuz, and Ivan BerlinBreastfeeding and Later Obesity; Nancy F. ButteBeverages and Obesity: Biology, History, Trends; Barry M. Popkin and Frank B. HuSedentary Time and Obesity; Neville Owen and Marc HamiltonOccupational Work and Obesity; Nicholas D. Gilson and Catrine Tudor-LockeLeisure-Time Physical Activity and Obesity; Thrudur Gunnarsdottir, Renee J. Rogers, John M. Jakicic, and James O. HillSustained Short Sleep and Risk of Obesity: Evidence in Children and Adults; Michelle A. Miller, George Smith, Andrew O’Keeffe, and Francesco P. CappuccioEnvironmental, Social, and Cultural Determinants of ObesityRole of Agriculture and the Food Industry in America’s Obesity; James E. TillotsonTransportation Policies and Obesity; David R. Bassett Jr.Urban Environment, Building Design, and Obesity; Reid Ewing and Gail MeakinsSocial and Economic Determinants of Obesity; Lindsay McLarenInfluence of Culture on Obesity; Alison Tovar and Aviva MustBias, Discrimination, and Obesity; Rebecca M. Puhl, Kelly D. Brownell, and Jenny A. DePierre Environmental Chemicals and Obesity; Amanda S. Janesick, Thaddeus T. Schug, Jerrold J. Heindel, and Bruce BlumbergEconomic Costs of Obesity; Ping Zhang, Sundar S. Shrestha, and Rui LiConsequences of ObesityObesity and Mortality Rates; Gary Whitlock and Rachel R. HuxleyObesity and Heart Disease; Peter W.F. WilsonObesity and Hypertension; Raj S. Padwal and Arya M. SharmaObesity and Lipoprotein Metabolism; Sally Chiu and Ronald M. KraussObesity and Type Diabetes; Henna Cederberg and Markku LaaksoObesity and Metabolic Syndrome; Jean-Pierre DesprésObesity and Cancer: Clinical Epidemiology; Andrew G. RenehanInflammatory Causes of Obesity and Metabolic Diseases; Ebru Erbay and Gökhan S. Hotamis¸ligilObesity and Gallbladder Disease; Cynthia W. Ko and Sum P. LeeObesity and Liver: Cell Death, Compensatory Growth, and Repair of Damage; Giovanni TarantinoObesity, Lung Function, and Lung Disease; Nour A. Assad, Jesse H. Alvarado, and Akshay SoodObesity, Arthritis, and Gout; Luke Dawson, Anita E. Wluka, Yuanyuan Wang, and Flavia M. CicuttiniObesity and Mental Health; Lucy F. Faulconbridge and Anthony FabricatoreObesity and Health-Related Quality of Life; Donald A. Williamson and W. Jack RejeskiObesity and Pregnancy Outcomes; Raul Artal and Sarah HopkinsObesity, an Inactive Lifestyle and Low Fitness: The Most Unhealthy Combination; Paul A. McAuley and Steven N. BlairIndex