A twenty year cohort study in The Australian And New Zealand Journal Of Psychiatry looked at overweight and obese children and their risk of developing of a mental illness later in life. The research found that obese and overweight children have an increased risk for the development of a mood disorder in adulthood when the same overweight trends continued. The research included both sexes; however overweight and obese girls were found to have an even higher risk than boys for developing mood disorders and other mental health issues when the obesity continued on into adulthood.
A first of its kind, the research looks at the psychiatric risk factors associated with obesity and overweight children. While more research is needed—one conclusion can be made. Obesity in American youth is a risk factor for the development of a mental disorder later in life.