Ohio State Highway Patrol troopers talk with motorists at a sobriety checkpoint in 2006, the year CDC says drunk driving peaked.

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Laurence Fishburne as Dr. Ellis Cheever and Kate Winslet as Dr. Erin Mears in the thriller Contagion. Winslet's character was modeled on CDC epidemiologist Dr. Anne Schuchat. Claudette Barius/Warner Bro. Pictures hide caption

itoggle caption Claudette Barius/Warner Bro. Pictures

The darker the color, the larger the proportion of the population that is obese. In the darkest brown counties, more than 30 percent of people are obese, according to 2008 data. CDC hide caption

itoggle caption CDC