Mississippi had the highest rate of obesity at 34.9 percent, while Colorado had the lowest rate at 20.7 percent. Twenty-six of the 30 states with the highest obesity rates are in the Midwest and the South. Illinois is ranked 29th with a 27.1 percent obesity rate.
Trust for America's Health Executive Director Jeffrey Levi says there's a growing body of knowledge that makes healthier choices easier for Americans. However, he says very little is being invested in reducing obesity.
In 2006, obesity-related medical costs totaled $147 billion, or nearly 10 percent of total medical spending.