In this week's Archives of Pediatrics and Adolescent Medicine, Robert Whitaker of the Center for Obesity Research and Education at Temple wrote a commentary on childhood obesity in the United States. In it, he discusses the widespread social change that will be required to reverse the obesity epidemic. "The childhood obesity epidemic was an unexpected consequence of numerous well-intentioned decisions made by adults about how to improve our way of living. These decisions were often made without considering children or all aspects of their well-being," he writes.