Montgomery, Ala., and Stockton Calif., tie for the most obese metro areas in the U.S., with adult obesity rates of 34.6% -- substantially surpassing the national average obesity rate of 26.5%. More than one-third of adults are classified as obese in the 10 metro areas found to be most obese according to Gallup-Healthways Well-Being Index collected in 2009. Gallup
