On November 7, 2006, four US states approved ballot measures that either banned smoking in many public places or raised taxes on tobacco. Voters in Arizona, Nevada, and Ohio approved comprehensive anti-smoking measures, over less-restrictive versions of the laws that had been favored by the food and beverage industry. Additionally, Arizona and South Dakota approved legislation that raised excise taxes on certain tobacco products. Nevada, Ohio, and South Dakota's legislation went into effect in 2006, while Arizona's legislation didn't take full effect until 2007. As of November 2011, 28 states, including the District of Columbia, have adopted comprehensive smoking bans.

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