Correspondence to Andrea L Smith, School of Public Health, University of Sydney, Sydney, NSW 2050, Australia; andrea.smith{at}sydney.edu.au Objective To explore the quitting histories of Australian ex ...

Background Recently, the US Institute of Medicine has proposed that raising the minimum age for tobacco purchasing/sales to 21 years would likely lead to reductions in smoking behavior among young ...

Background Hong Kong has one of the lowest smoking prevalence both within China and among high-income economies. As tobacco ...