By now, we are all aware of the effect of super-sized food portions. Very young children regulate their food intake by internal cues (when they feel full) rather than by portion size. As children age, external cues have more influence than internal cues. Hence, larger portion sizes promote more energy intake in older children, leading to caloric…

The number of overweight and obese children and adolescents has reached epidemic proportions, and recent federal surveys show that most school meals do not meet federal nutrition guidelines. Accordingly, there is growing interest in the nutritional quality of foods available in U.S. schools--and in the role of the government in helping to make…