Rückgang des Zigarettenkonsums: Unterschied zwischen den Versionen

Rückgang des Zigarettenkonsums (Quelltext anzeigen)

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 *[http://consumer.healthday.com/mental-health-information-25/addiction-news-6/anti-smoking-campaign-successful-and-cost-effective-cdc-says-694427.html Anti-smoking campaign successful and cost-effective (2014)]
+*[http://well.blogs.nytimes.com/2013/06/25/why-smoking-rates-are-at-new-lows/?_r=0 (2013) Why Smoking Rates are at new lows]
+:1997: 25%; 2012: 18%
+:Eighteen percent of American adults were cigarette smokers in 2012, according to a report released last week by the National Center for Health Statistics, down from 18.9 percent the previous year. From 2009 to 2012, the rate dropped to 18 percent from 20.6 percent, the first statistically significant change over multiple years since the period spanning 1997 to 2005, when the rate fell to 20.9 percent from 24.7 percent.