Obesity poses one of the greatest public health challenges of the 21st century, creating serious health, economic, and social consequences for individuals and s

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.

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

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.

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