At the beginning of each school year, the school-nurse coordinator for the 3,000-student Ashland, Oregon, district plans a "parent's night" around the topic of vaccinations for the safety and health of children. That is only the beginning of the school-nurse coordinator's contact with parents who are skeptical about the necessity of…

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…