Starting with Berkeley, California in 1997 cities, regions and whole countries have banned indoor smoking in public places. Ireland introduced the first nationwide ban in 2004 and various types of restrictions are now in place in 92 countries from Albania to Zambia. This year’s planned indoor smoking ban in China will mean a huge increase in the global population covered.
Initially prompted by concerns about second-hand smoke and lung cancer risks these bans have yielded far greater benefits than the first campaigners can have anticipated.
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