Vital signs: sodium intake among U.S. school-aged children - 2009-2010.

Background: A national health objective is to reduce average U.S. sodium intake to 2,300 mg daily to help prevent high blood pressure, a major cause of heart disease and stroke.

WIC Infant and Toddler Feeding Practices Study: protocol design and implementation.

The federal Special Supplemental Nutrition Program for Women, Infants, and Children (WIC), which began in the 1970s, has undergone revisions in the past several years, including revision to contents of the supplemental food "packages" in 2009 based on recommendations provided by an Institute of Medicine (IOM) committee of The National Academies. In 2010, the IOM held a workshop to examine and recommend research priorities for the program. The overall purpose of the current (ie, second) WIC Infant and Toddler Feeding Practices Study (ITFPS-2) is to conduct a nationally representative, longitudinal study of contemporary WIC infant and toddler feeding practices.

School food and nutrition policy, monitoring and evaluation in the USA.

Objective: To provide an overview of school food and nutrition monitoring from 1980 to the Healthy Hunger-Free Kids Act of 2010 and data on school food availability in the USA.

Design: A review of the history of school food and nutrition policy, monitoring and evaluation efforts in the USA over the past three decades.

Setting: USA.