what does obesity results from
Thus, obesity puts a child's health at lifelong higher risk. Causes of childhood obesity. Both genes and environment contribute to obesity, but the interaction is far from simple. Obesity is a complex condition with many interrelated causes. There is significant evidence that obesity is at least partly genetic. Certain ethnic groups are more vulnerable to obesity and obesity-related disorders. Genome-wide association studies show that some genes are associated with a higher body mass index.