Illustration by Daniel Horowitz for NPR

Californian State Assemblyman Richard Pan (center) is the author of legislation that would bar higher prices for health insurance sold to smokers. Rich Pedroncelli/AP hide caption

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Women smoke in New York City's Times Square. Spencer Platt/Getty Images hide caption

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A cigarette warning label image approved by the Food and Drug Administration. Food and Drug Administration hide caption

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In the U.K.-based program called Txt2stop, researchers sent smokers encouraging text messages, like the one above, to help them quit. Karen Castillo Farfán/NPR hide caption

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David Ozanich smoked outside the Live Bait bar in New York City in April 2003, a few months after a ban on smoking in bars and restaurants took effect. Diane Bondareff/AP hide caption

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