New evidence is confirming that the environment kids live in has a greater impact than factors such as genetics or insufficient physical activity in efforts to control child obesity. In a Temple study, dishware size made a big difference. Doubling the size of the dishware, the Temple researchers found, increased the amount of food kids served themselves by an average of 90 calories. “This notion that children are immune to the environment is somewhat misguided,” says Jennifer Orlet Fisher of Temple’s Center for Obesity Research and Education. “To promote self-regulation, you have to constrain the environment in a way that makes the healthy choice the easy choice.”