America has a serious weight problem. Two-thirds of adults and nearly one-fifth of children in the United States are overweight, placing them at greater risk for heart disease, diabetes, and other chronic diseases including cancer and arthritis. Furthermore, obesity and its related health problems are placing a major strain on the U.S. health care…

Background: School-based body mass index (BMI) measurement has attracted much attention across the nation from researchers, school officials, legislators, and the media as a potential approach to address obesity among youth. Methods: An expert panel, convened by the Centers for Disease Control and Prevention (CDC) in 2005, reviewed and provided…