In brief

Picture warnings deter smokers, study finds: Graphic warning labels on cigarette packs led to a fall in smoking rates in Canada of between 12% and 20% from 2000 to 2009, says a study in Tobacco Control.1 The authors estimated that if the same model were applied to the United States graphic warnings would potentially lead to a fall in the number of smokers of between 5.3 and 8.6 million. In 2012 the US Court of Appeals found that …