The US Centers for Disease Control and Prevention reports that stricter regulations have resulted in a decrease in new lung cancer rates across dozens of US states, with New York also announcing a 35% reduction in smokers since 2002, resulting in an all-time low for the state.

http://www.telegraph.co.uk/news/worldnews/northamerica/usa/8767258/Lower-smoking-rates-lead-to-rapid-decline-
in-lung-cancer-in-western-US.html
http://www.france24.com/en/20110915-fewest-ever-new-yorkers-light-officials