During the past three decades, levels of excess weight and obesity have risen significantly in the United States. The reasons are physical, economical and sociological. The second half of the twentieth century is characterized by changes in the diets and levels of activity in the American...

Maternal nutrition during pregnancy can have significant implications for a child’s prenatal growth and development, and undernutrition experienced during the prenatal period increases the risk of early childhood morbidity and mortality and can permanently impair a child’s physical growth...

Replaced with revised version of poster 08/25/11.