The remarkable increase in the prevalence of obesity among children and youth in the United States over a relatively short timespan represents one of the defini

After decades of increases in the obesity rate among U.S. adults and children, the rate recently has dropped among some populations, particularly young children

To battle the obesity epidemic in America, health care professionals and policymakers need relevant, useful data on the effectiveness of obesity prevention poli

Nearly 69 percent of U.S. adults and 32 percent of children are either overweight or obese, creating an annual medical cost burden that may reach $147 billion.

As the public health threat of childhood obesity has become clear, the issue has become the focus of local, state, and national initiatives. Many of these effor