It seemed impossible at first. But in 2004, Ireland made history as the first country to implement a comprehensive smoking ban in indoor workplaces, including restaurants and bars. Defying dire predictions, Ireland's policy has proved to be both popular and enforceable, with ready compliance,1 no decline in business, and improved health outcomes for hospitality workers.

Overwhelming public support for the ban has come from smokers and nonsmokers alike, dispelling the belief that restaurants and bars should represent bastions of smoking and socialization. For a country traditionally known for its smoke-filled pubs, the new societal standard represents a breathtaking (or breath-enhancing) revolution.....