Epidemiology and health economics of obesity

Research suggests that to classify overweight individuals accurately with respect to health risks, both BMI and an indicator of fat distribution must be considered. Obesity is prevalent in countries with established market economies and is increasing. Obesity is usually more common in those of low socioeconomic status. It is a major contributor to total healthcare costs in affluent societies. Here we review the direct and indirect costs of obesity plus the personal cost to the individual.