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However, e-cigarettes are increasingly popular among children and adolescents who do not smoke

The two researchers attribute about 60 percent of the wage gap between smokers and nonsmokers to demographic differencescollectively, smokers tend to be less-educated than nonsmokers, for instancebut the rest were ascribed to what they called, "unmeasured factors." "The wage disadvantage to smoking has been well documented [but] hard to believe that the direct unpleasantness of smoking is the main factor," Frank Stafford, an economics professor at the University of Michigan's Population Studies Center, said via email

In some states and cities where pot has been legalized, local authorities may not care

doi: 10.1016/S0015-0282(16)58223-5