Overweight children have lower intelligence and are more likely to be depressed, controversial study finds

Scientists in the US, who tracked more than 5,000 nine to 11-year-olds, found pupils with a higher body mass index (BMI) performed worse in tests. Scientists in the US, who tracked more than 5,000 nine to 11-year-olds, found pupils with a higher body mass index (BMI) performed worse in tests.