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Because of the relatively recent emergence of vaping, these cancer risks are poorly understood by doctors and researchers

In places where the prices are higher, youre going to have already removed a number of smokers that would already be smoking from your sample, said Michael Pesko, co-author on the new research and assistant professor of health care policy and research at Weill Cornell Medical College

The 3,000-mile frontier with Canada has seen smuggling involving organised crime develop on a potentially global scale, with both governments apparently powerless to do anything about it

The numbers of people in Germany who smoke have declined by 30 percent since 2013, as they have elsewhere in Europe