Dr. Rexford S. Ahima is professor of medicine at the University of Pennsylvania. He received his BSc training at the University of London, MD at the University of Ghana, and PhD in neuroscience at Tulane University in New Orleans, Louisiana. He received internship and residency training in internal medicine at the Albert Einstein College of Medicine, New York, and clinical and completed research fellowships in endocrinology, diabetes, and metabolism at the Beth Israel Deaconess Medical Center and Harvard Medical School, Boston. Dr. Ahima's research is focused on the actions of adipose hormones on energy homeostasis, and glucose and lipid metabolism. He is an elected member of the American Society for Clinical Investigation (ASCI) and the Association of American Physicians (AAP), and a fellow of the American College of Physicians (ACP) and The Obesity Society (TOS).

Introduction. Population Trends and Variation in Body Mass Index from 1971 to 2008 in the Framingham Heart Study Offspring Cohort. Community Energy Balance: A Framework for Contextualizing Cultural Influences on High Risk of Obesity in Ethnic Minority Populations. A Genome-Wide Association Study on Obesity and Obesity-Related Traits. Differences between Adiposity Indicators for Predicting All-Cause Mortality in a Representative Sample of United States Non-Elderly Adults. A New Body Shape Index Predicts Mortality Hazard Independently of Body Mass Index. Metabolically Healthy and Unhealthy Obesity Phenotypes in the General Population: The FIN-D2D Survey. Liver and Muscle in Morbid Obesity: The Interplay of Fatty Liver and Insulin Resistance. Sarcopenia Exacerbates Obesity-Associated Insulin Resistance and Dysglycemia: Findings from the National Health and Nutrition Examination Survey III. Prevalence of Obesity and Associated Cardiovascular Risk: The DARIOS Study. Obstructive Sleep Apnea Is a Predictor of Abnormal Glucose Metabolism in Chronically Sleep Deprived Obese Adults. Cluster Analysis of Obesity and Asthma Phenotypes. Diet, Physical Exercise and Cognitive Behavioral Training as a Combined Workplace Based Intervention to Reduce Body Weight and Increase Physical Capacity in Health Care Workers: A Randomized Controlled Trial. Reduction in Adiposity, ß-Cell Function, Insulin Sensitivity, and Cardiovascular Risk Factors: A Prospective Study among Japanese with Obesity. Bariatric Surgery: The Challenges with Candidate Selection, Individualizing Treatment and Clinical Outcomes. Index.