More than a third of children in Georgia are overweight or obese. Health care professionals have long focused on trying to prevent obesity in children. But that effort hasn't worked good enough, and children are getting sicker with obesity-related diseases like high blood pressure and diabetes. As GPB's Mary Ellen Cheatham reports, that's a problem because researchers say they have a lot to learn about these typically adult illnesses affect a child's body. You can also hear an interview with Dr. William Kanto of the Medical College of Georgia's pediatrics department about the issue. Click here to hear the interview.