There are a variety of factors that play a role in obesity. This makes it a complex health issue to address. Behavior, environment, and genetic factors may have an effect in causing people to be overweight and obese.
Overweight and obesity result from an energy imbalance. This involves eating too many calories and not getting enough physical activity.
Body weight is the result of genes, metabolism, behavior, environment, culture, and socioeconomic status.
Behavior and environment play a large role causing people to be overweight and obese. These are the greatest areas for prevention and treatment actions.