Volume 85, Issue 4 (Apr 1 2007),PP.927- 1166 Editorials Francene M Steinberg Soybeans or soymilk: does it make a difference for cardiovascular protection? Does it even matter? Am J Clin Nutr 2007 85: 927-928. William E Connor and Sonja L Connor The importance of fish and docosahexaenoic acid in Alzheimer disease Am J Clin Nutr 2007 85: 929-930. Review Article Joyce C McCann and Bruce N Ames An overview of evidence for a causal relation between iron deficiency during development and deficits in cognitive or behavioral function Am J Clin Nutr 2007 85: 931-945. Commentary Norlin J Benevenga Consideration of betaine and one-carbon sources of N 5 - methyltetrahydrofolate for use in homocystinuria and neural tube defects Am J Clin Nutr 2007 85: 946-949. Obesity and eating disorders Nicola Santoro, Laura Perrone, Grazia Cirillo, Paolo Raimondo, Alessandra Amato, Carmine Brienza, and Emanuele Miraglia del Giudice Effect of the melanocortin-3 receptor C17A and G241A variants on weight loss in childhood obesity Am J Clin Nutr 2007 85: 950-953. Deborah F Tate, Robert W Jeffery, Nancy E Sherwood, and Rena R Wing Long-term weight losses associated with prescription of higher physical activity goals. Are higher levels of physical activity protective against weight regain? Am J Clin Nutr 2007 85: 954-959.