And when denied the food they were used to, many stopped buying the school lunch.
The survey at Central City Elementary in Huntington also found children drank less milk after Oliver removed the sugary chocolate and strawberry bottles.
But there is a bright spot in the data from the West Virginia University Health Research Center: More than six in 10 kids said they'd learned to try new foods.
ABC chose to have the show in Huntington after a 2008 Associated Press story dubbed the five-county metropolitan area the nation's unhealthiest.
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