As the childhood obesity epidemic continues in the United States, more kids are developing an array of heart risk factors linked to obesity known as the “metabolic syndrome.” Now, a study suggests that these obesity-linked changes may be affecting kids’ minds as well as their bodies. The new study finds that adolescents with these conditions -- which include abdominal obesity, unhealthy cholesterol/trigylceride levels and high blood pressure -- are more likely to perform more poorly on tests of mental ability compared to their healthy peers.