Adult obesity still isn't budging, the latest government survey shows.
The national telephone survey found 13 states with very high rates of obesity last year. Overall, the proportion of U.S. adults deemed obese has been about the same for years now.
"A plateau is better than rising numbers. But it's discouraging because we're plateauing at a very high number," said Kelly Brownell, a Duke University public policy expert who specializes in obesity.
The Centers for Disease Control and Prevention does the survey each year, and recently released 2012 results.
At least 30% of adults were obese in 13 states: Alabama, Arkansas, Indiana, Iowa, Kentucky, Louisiana, Michigan, Mississippi, Ohio, Oklahoma, South Carolina, Tennessee and West Virginia. In 2011, a dozen states reached that threshold.